Answer to Discussion 8

Please answer to this discussion post with a minimum of 200 words, cited, APA style. 

________________________________________________________________________________________

The U.S. Preventive Services Task Force is an independent panel of experts in primary care and prevention who Health Screenings are examinations and tests to look for a disease before patients develop any symptoms. It is important because from a medical perspective prevention is better than cure. It is also often easier to treat or indeed cure a condition in its early stages systematically reviews the evidence of effectiveness and develops recommendations for clinical preventive services.  The purpose of screening individuals or populations is to reduce the risk of death or future ill health from a specific condition by offering a test intended to help identify people who could benefit from treatment.  Long and Colorectal cancer screening are tow among others recommendations from US preventing task force.

Lung Cancer (both small cell and non-small cell) is the second most common cancer in both men and women. The American Cancer Society’s estimates for lung cancer in the United States for 2019 are: About 228,150 new cases of lung cancer (116,440 in men and 111,710 in women) About 142,670 deaths from lung cancer (76,650 in men and 66,020 in women). (Society, 2019)

Summary of Recommendation and Evidence for lung Cancer 

Population: Adults Aged 55-80, with a History of Smoking. The USPSTF recommends annual screening for lung cancer with low-dose computed tomography (LDCT) in adults aged 55 to 80 years who have a 30 pack-year smoking history and currently smoke or have quit within the past 15 years. Screening should be discontinued once a person has not smoked for 15 years or develops a health problem that substantially limits life expectancy or the ability or willingness to have curative lung surgery. The USPSTF updated its definition of and suggestions for practice for the grades A, B, C, D, and I. Lung Cancer Category B. It means that the screening is high certainty that the net benefit is moderate or there is moderate certainty that the net benefit is moderate to substantial.

On the other hand, Colorectal Cancer is one of the most common cancers diagnosed in the United States. Excluding skin cancers, it is the third most common cancer in both men and women in the U.S.

Population: 

Adults aged 50 to 75 years. The USPSTF recommends screening for colorectal cancer starting at age 50 years and continuing until age 75 years. The risks and benefits of different screening methods vary. Starting with a simple FBOT or FIT test at the office or sigmoidoscopy every 5 years and colonoscopy every 10 years. The recommendation for this group is category A (The USPSTF recommends the service. There is high certainty that the net benefit is substantial). 

Adults aged 76 to 85 years. The decision to screen for colorectal cancer in adults aged 76 to 85 years should be an individual one, taking into account the patient’s overall health and prior screening history. Adults in this age group who have never been screened for colorectal cancer are more likely to benefit. Screening would be most appropriate among adults who 1) are healthy enough to undergo treatment if colorectal cancer is detected and 2) do not have comorbid conditions that would significantly limit their life expectancy. The recommendation for this group is category C (The USPSTF recommends selectively offering or providing this service to individual patients based on professional judgment and patient preferences. There is at least moderate certainty that the net benefit is small). (Force, 2014)

References

Force, T. U. (2014, June 12). Recommendations for Primary Care Practice. Retrieved from The U.S. Preventice Services Task Force : https://www.uspreventiveservicestaskforce.org/Page/Name/recommendations

Society, A. C. (2019, May 17). Cancer Facts and Statistics. Retrieved from American Cancer Society: https://www.cancer.org/research/cancer-facts-statistics.html

Comment Letzy

I need a comment 250 words

 

The age selected for this analysis of child abuse are toddlers, children aged between 0 and three years. They face the highest cases of child abuse mainly due to many of their caregivers not knowing how to talk care of them (Cook et al., 2017). At this age, the most common type of abuse they face is neglect as the parents don’t provide the proper food and nutritional affection they require. Moreover, the neglect extends to medical and other necessities that are vital for their proper development. Some of the most common signs that nurses should not are the child’s constant unrest, nutritional deficiency and parent’s lack of interest on the child’s overall health (Cook et al., 2017). A common condition that is seen in toddlers is the shaken baby syndrome a form of abusive head trauma caused by forceful shaking of the infant or toddler. With the recent rise in immigrants from Asia a common Southeast Asia, a cultural practice that has been misinterpreted by the medical community is “Cao gio” (Tanner, Catanese, Lew, & Rapkiewicz, 2016). It is a dermabrasion therapy technique that is used for various conditions such as relief of pain and nausea. In the majority of the states within the U.S. inclusive of this state, the reporting mechanisms involve the first the separation of the child from the caregiver (Tanner, Catanese, Lew, & Rapkiewicz, 2016). This is simultaneously followed with the notifications of the authorities that include the police as well as Child Protective Services. The process has to be swift to ensure maximum attention is given to the child, moreover, by contacting the police the abusers will be apprehended. Finally, the Child Protective Services will provide necessary protection to the child as well as a new home. This procedure has been proven effective in many occasions and is yet to be challenged.

References

Cook et al., (2017). Complex trauma in children and adolescents. Psychiatric annals35(5), 390-398.

Tanner, B. S., Catanese, C., Lew, E. O., & Rapkiewicz, A. (2016). Pitfalls in the interpretation of traumatic socioethnic practices. Journal of forensic sciences61(2), 569-572. 

1-3 brilliant answer

follow grading criteria bellow. $15

 

Kim’s friend John started taking a selective serotonin reuptake inhibitor for depression. His doctor told him that serotonin is a neurotransmitter. John asks Kim what a neurotransmitter is and if there is more than one neurotransmitter. What should Kim tell John? Include answers to the following in your response:

  • Define the purpose of neurotransmitters.
  • Describe the function of serotonin.
  • Name three other neurotransmitters and describe their functions.

Carol is working in a nursing home and is approached by a woman whose mother is recovering from a stroke. The patient can speak but has difficulty understanding others. The woman wonders what area of the brain was damaged by the stroke. She also wonders how doctors can identify the location of the damage. Answer the following questions:

  • Name the damaged area and describe its location.
  • What area of the brain might be damaged if the patient could understand speech but didn’t make sense when she was speaking?
  • Name each lobe of the cerebral hemispheres, describe the location, and give an example of a specific skill that could be affected if the lobes were damaged.
  • Name and discuss three brain imaging techniques. Describe what happens to a patient during each of these techniques, what is measured, and what the test results look like.

Submit your answers in a Microsoft Word document.
Name your document: SU_PSY3001_W1_A3_LastName_FirstInitial.doc.
Submit your document to the W1: Assignment 3 Dropbox by Saturday, July 1, 2017.

Cite any sources you use using the APA format on a separate page.

Assignment 3 Grading Criteria 
Maximum Points
  • Analyzed and defined the purpose of neurotransmitters.
  • Analyzed and described the function of serotonin.
  • Named three other neurotransmitters and described their functions.
10
  • Named the damaged area and described its location.
  • Analyzed and identified the area that might be damaged if the patient could understand speech but didn’t make sense when she was speaking.
  • Named each lobe of the cerebral hemispheres, described the location, and gave an example of a specific skill that could be affected if the lobes were damaged.
  • Named and discussed three brain imaging techniques in detail.
10
Used correct spelling, grammar, professional vocabulary and APA format.
5
Total:
25

COMMENT 507 UNIT 7 TOPIC 2

 Three advocates which I am choosing in regards to bringing about change to public policy are Florence Nightingale, Hildegard Peplau and Dorothea Orem.  Each of these leaders has brought about some form of change to nursing in their own way.  Florence Nightingale focused on the importance of the observational skills of nurses and how the environment impacted health.  Hildegard Peplau was more focused on ways to help people stay well, rather than treating them once they were ill (Nickitas, Middaugh & Aries, 2016).  Dorothea Orem’s model was focused on the individual caring for themselves, rather than being cared for by others.  Orem’s model for changed is composed of three components to make up her model; the theory of self-care; theory of self-care deficit, and theory of nursing system (Petiprin, 2016).  Because of the rapid change and development of healthcare and medicine, it is important that nurses are also moving forward with these changes.  In order for health care and public policy change to be effective, nurses need to able to influence the formation of health care policies rather just the implementation of the policy.  The influence of the nurse upon health policy and public policy reform is important as it protects the interest of the patient and their safety, increases the quality of care, and helps to facilitate access needed to the required resources in order to promote quality in health care (Arabi, Rafil, Cheraghi, & Ghiyasvandian, 2014).  While nurses are used to serving as an advocate for their patients, and putting the patient’s needs and wants first, it is also important that nurses be advocates for each other in the professional aspect of healthcare.  As issues with health care related reform are brought about and evolve, issues sometimes cause stress and fatigue upon the healthcare system and its workers.  With this in mind, it is imperative that we, as nurses continue to recognize commitment to a common goal and being willing to make themselves available for the advancement and promotion of the growth of nursing younger colleagues (Huber, 2015). 

1 REFERENCE.

Physics MID TERM

PLEASE SELECT THE CORRECT ANSWER

1

The vertical acceleration of a projectile

Choose one answer.

 

a. equals g pointing sometimes upwards and other times downwards

 

 

b. continuously increases

 

 

c. equals g pointing downwards

 

 

d. equals g pointing upwards

 

 

e. is zero

 

Question 2

The horizontal acceleration of a projectile

Choose one answer.

 

a. stays constant

 

 

b. sometimes decreases and sometimes increases

 

 

c. continuously increases

 

 

d. is zero

 

 

e. continuously decreases

 

Question 3

When an object reaches its terminal speed, its acceleration is zero.

Answer:  True False ?

 

Question 4

The horizontal speed of a projectile

Choose one answer.

 

a. stays constant

 

 

b. continuously decreases

 

 

c. is zero

 

 

d. continuously increases

 

 

e. sometimes decreases and sometimes increases

 

Question 5

The vertical speed of a projectile

Choose one answer.

 

a. is zero

 

 

b. continuously increases

 

 

c. stays constant

 

 

d. sometimes decreases and sometimes increases

 

 

e. continuously decreases

 

Question 6

All forces have specific directions associated with them.

Answer:  True False?

 

Question 7

If object A has more mass than object B,

Choose one answer.

 

a. A will weigh more than B.

 

 

b. A will be harder to keep moving in a circle.

 

 

c. A will be harder to accelerate than B.

 

 

d. all of the above

 

Question 8

The force that keeps your feet from sliding as you walk is

Choose one answer.

 

a. centripetal force

 

 

b. kinetic friction

 

 

c. static friction

 

 

d. weight

 

Question 9

Two forces of 4 N and 12 N act on a body simultaneously. The net force on the body is

Choose one answer.

 

a. 4 N

 

 

b. 12 N

 

 

c. impossible to tell from the given information

 

 

d. 8 N

 

 

e. 16 N

 

Question 10

As an object moves faster through the air, its terminal speed increases

Answer:  True False?

 

Question 11

If the net force on an object is zero,

Choose one answer.

 

a. the object’s acceleration must be zero

 

 

b. the object must be at rest

 

 

c. there must be no forces acting on the object

 

 

d. there can be no friction acting on the object

 

Question 12

You are presently exerting a gravitational force on the earth.

Answer:  True False ?

Question 13

 “Net force” means the vector sum of all the individual forces acting on a particular body.

Answer:  True False?

 

Question 14

An example of an action at a distance force is

Choose one answer.

 

a. static friction

 

 

b. weight

 

 

c. tension

 

 

d. kinetic friction

 

 

e. none of the above

 

Question 15

Which is larger, a newton or a pound?

Choose one answer.

 

a. a pound

 

 

b. This question is nonsense—they don’t measure the same physical quantity.

 

 

c. a newton

 

 

d. They are the same size.

 

Electrical Paper

In this part of the term paper, you will explain why we need rectification and how to build a single-phase bridge rectifier.


Carefully review these detailed instructions for requirements of this term paper.. Use illustrations if necessary to complete the assignment.


Your paper needs to answer the following questions, along with your comments and discussion.


1. Half-Wave Rectifier


In half-wave rectification of a single-phase supply, either the positive or negative half of the AC wave is passed, while the other half is blocked. Because only one half of the input waveform reaches the output, the DC output voltage is lower. Half-wave rectification requires a single diode in a single-phase supply. Rectifiers yield a unidirectional but pulsating direct current; half-wave rectifiers produce far more ripple than full-wave rectifiers, and much more filtering is needed to eliminate harmonics of the AC frequency from the output. Following is a Multisim simulation of a half-wave rectifier without a low pass filter.

Figure 1. Half-wave rectifier without a filter 

Figure 1. Half-wave rectifier without a filter


Based on the output waveform, calculate the DC component using equation (5.16)  

 

   and the first harmonic of the output using equations (5.17)

 
 

 

 

and (5.18)                                                                               with h=1.


In order to block the harmonics and allow only the DC component to the load, a low pass filter is needed. This second order low pass filter consists of an inductor and a capacitor, with its corner frequency being well below the first harmonic frequency. The Multisim simulation with the filter included is shown in figure 2 below.

 

Figure 2. Half-wave rectifier with a low pass filter.


Calculate the corner frequency of the low pass filter to verify that it is much smaller than 60 Hz. Compare the DC output of the rectifier with the low pass filter and compare it to the earlier calculations. Comment on these results.


2. Full-Wave Rectifier


A full-wave rectifier converts the whole of the input waveform to one of constant polarity (positive or negative) at its output. Full-wave rectification converts both polarities of the input waveform to DC (direct current), and yields a higher DC output voltage. Two diodes and a center tapped transformer, or four diodes in a bridge configuration and any AC source (including a transformer without center tap), are needed. Figure 3 shows a bridge rectifier without a low pass filter.

 

Figure 3. Full-wave rectifier without a filter.


Based on the output waveform, calculate the DC component using equation (5.16) and the second harmonic of the output using equations (5.17) and (5.18) with h=2.


Again, in order to block the harmonics and allow only the DC component to the load, a low pass filter is needed. This second order low pass filter consists of an inductor and a capacitor, with its corner frequency being well below the second harmonic frequency. The Multisim simulation with the filter included is shown in figure 4 below.

 

Figure 4. Full-wave rectifier with a low pass filter


Again, calculate the corner frequency of the low pass filter to verify that it is much smaller than 120 Hz. Compare the DC output of the rectifier with the low pass filter and compare it to the earlier calculations.


Final question: why does the full-wave rectifier output not contain first harmonic, which is more difficult to filter?


Please include all necessary circuit diagrams or block diagrams in your paper. Please also draw the necessary waveforms together with your comments or discussions.


Your paper should be at least two pages, typed single-spaced, using 12-point font and 1-inch margins on the top, bottom, right, and left. You should use the APA guidelines for writing and citations.

Keep the following points in mind:

·         The efficiency of a buck DC-DC converter.

·         The principle of a buck DC-DC converter.

 

 

COMMENT TUNESHA

I NEED A POSITIVE COMMENT BASED IN THIS ARGUMENT..BETWEEN 100-120 WORDS

There was a cross-sectional study conducted in 2013, with the use of data from 21 University Health System Consortium hospitals,that analyzed the association between RN education and patient outcomes. The results from this study showed that Hospitals with a higher percentage of RNs with baccalaureate or higher degrees had lower congestiveheart failure mortality, decubitus ulcers, failureto rescue, and postoperative deep vein thrombosis or pulmonary embolism and shorter length of stay. This particular article stated that how studies dating back to 2002, linked the percentage of RNs in a hospital with baccalaureate degrees to decreased patient mortality (in-hospital and 30-day mortality, failure to rescue) However, other studies have not found significant relationships between mortality and nursing education. It further mentinoed how the few studies that examined the impact of baccalaureate education on other patient outcomes, particularly those that are considered sensitive to nursing care, did not find beneficial effects. This study also mentioned how the ducation of RNs did not affect hospital-acquired infections once other characteristics were controlled, whereas nurse staffing levels did (Blegen, Goode, et al, 2013).

Looking back on real life experiences, one thing I have observed is that some of the BSN prepared nurses that I have worked with were more skilled at critical thinking that the ADNs which now I can see why after being in this program which requires much more research. The BSN prepared Nurses are more detailed oriented in assessments and charting as well. 

 

Begen, M, Goode, C, Park, S et al (2013). Baccalaureate Education in Nursing and Patient Outcomes. Retrieved 9/19/2017 from  http://www.aahs.org/aamcnursing/wp-content/uploads/Baccalaureate-Education-in-Nursing-and-Patient-Outcomes.pdf

 

physics homework

Identify a similarity and a difference between two objects – one in static equilibrium and the other in dynamic equilibrium? Hint: think about net force and motion.

 

 

If we push an object at constant velocity, how much friction acts on the object compared to our pushing force: A) equal to the pushing force B) greater than the pushing force C) less than the pushing force D) none of the above

 

By how much does the gravitational force between two objects decrease when the distance between their centers is doubled? A) ½ B) ¼ C)1/8 D) 1/16 E)1/32

 

What happens to the acceleration of a cart if the force acting on it is quadrupled (i.e. multiplied by 4)

 

Tim stands in the middle of a scaffold. There is no motion. The left scale reads 450N. What is the reading on the right scale and the total weight of Tim and scaffold A) 450N and 900N B) 450N and 1200N C) 400N and 850N D) 250N and 700N E) 1050N and 1500N

 

What is the force of gravity on a 2kg mass 3.2*106m above the Earth’s surface. The mass of the earth is 6.4*1023kg and its radius is 6.4*106m. Hint: the total distance between the object and the earth is from the center of the earth to the location of the object.

 

If two objects – one three times as heavy as the other – are in free fall, which of these statements are true:

 

The force of gravity on the heavier object is 3 times that on the lighter object

 

Their speeds are increasing at the same rate i.e. they are falling at the same rate

 

The heavier object is falling much faster than the smaller object

 

All of the above B) none of the above C) I and II D) I and III E) I only

 

Which of these is not a law of motion? A) Action and reaction are equal and opposite B) The acceleration of an object is directly proportional to the net force acting on the object C) A body at rest or in motion continues in its state of rest or uniform motion unless a force is applied to it D) The earth always attracts objects to its center

 

Define terminal velocity? Can it be reached in a vacuum? Why or why not?

 

What is the difference between the atomic number and the mass number of an element?

 

Fusion is the source of energy in the sun. What is the difference between fission and fusion?

 

Which of these is not an element: A) O2 B) N2 C) He, D) Cl, E) HF?

 

What is the IUPAC name for KCl?

 

A radon atom emits a beta particle and then is irradiated with gamma rays, what is the final element? Its mass number and atomic number?

 

How many valence electrons are in these elements: a) oxygen b) boron c) silicon d) krypton

 

Which of these are true of gamma rays: i) Its frequency is lower than ultraviolet radiation ii) Gamma irradiation can be used to destroy harmful micro-organismsiii) They are electromagnetic waves iv) They can bring about genetic mutations in humans A) i only B) ii only C) ii, iii and iv D) all of the above E) none of the above

 

Which of these radioactive particles do not penetrate the skin? A) Alpha particle, B) beta-particle, C) gamma rays D) none of the above

 

What happens when an atom loses an electron? A) it becomes positively charged because there are more protons than neutrons B) it becomes positively charged because there are more protons than electrons C)it remains neutral D) it is a form of radioactive decay E) none of the above

 

When alpha particles pick up electrons, they become _________ A) Helium gas B) Hydrogen gas C) Lithium D) remain alpha particles E) none of the above

 

Hydrogen is the lightest (least heavy) element/gas. Why is it not used to fill children’s balloons? Why is helium used?

 

 

 

Why is there more carbon-14 in living bones than in once-living ancient bones of the same mass?

Electrical Paper

In this activity, you will write the third part of your term paper.

Explain why we need a rectifier and a forward converter to make a DC power supply.


Please go through the given instructions and write a paper on switch-mode DC power supplies. Please see detailed instructions for requirements from the term paper document below. Use illustrations if necessary.


Your paper needs to answer the following questions along with your comments and discussion.

In this part of the term paper, design a single-phase switch-mode DC power supply with a forward converter. Provide answers to the questions below.

Please combine the single-phase full-wave rectifier from part two of your term paper with a forward converter to produce a switch-mode DC power supply, as shown below. The output of the bridge rectifier serves as input to the forward converter.

As explained, a forward converter is a popular switched mode power supply (SMPS) circuit that is used for producing isolated and controlled DC voltage from the unregulated DC input supply. It consists of a fast switching device ‘S’ along with its control circuitry, a transformer with its primary winding connected in series with switch ‘S’ to the input supply, and a rectification and filtering circuit for the transformer secondary winding. The load is connected across the rectified output of the transformer secondary. It is basically a DC-DC buck converter (as seen in part one of the term paper) with the addition of a transformer for output voltage isolation and scaling. When switch ‘S’ is turned on, input DC gets applied to the primary winding and simultaneously a scaled voltage appears across the transformer secondary. When switch ‘S’ is turned off, the primary as well as the secondary winding currents are suddenly brought down to zero. Current through the filter inductor and the load continues without any abrupt change. Diode ‘D2’ provides the freewheeling path for this current. The DC output is similar to that of a buck converter multiplied by the transformer winding ratio:

  

Assume all ideal components including the isolating transformer,    and switch frequency is 16.7 kHz as in part one of the term paper. Design this switch-mode DC power supply by doing the following:

·         Determine the duty ratio D so that the DC output to the load is 12 v. Draw the waveform of the input AC voltage V1, bridge rectifier output (see part two of the term paper; this is also the input to the forward converter), voltage after diode D1, and voltage at the load (with all harmonics blocked).

·         Explain why a transformer still works even with a DC input to the forward converter.

·         Explain the function of diode D1.

Please include all necessary circuit diagrams or block diagrams in your paper. Please also draw the necessary waveforms together with your comments or discussion.

Your paper should be at least two pages, typed single-spaced, using 12-point font and 1-inch margins on the top, bottom, right, and left. You should use the APA guidelines for writing and citations.

Keep the following points in mind:

·         The efficiency of a buck DC-DC converter.

·         The principle of a buck DC-DC converter.

 

 

p1

Hello i need a Good and Positive Comment related with this argument .A paragraph  with no more  100 words.

 

 

Kelly Gore 

 

3 posts

 

Re:Topic 2 Mandatory Discussion Question

 

The American Cancer Society offers a multitude of resources
to cancer patients all over the United States. The offer everything from
education and support groups to research and financial assistance. The American
Cancer Society is community-based volunteer health organization that
specializes in cancer research, treatments, as well as helping not just the
patients but the families as well (ACS, 2017). ACS has a wide variety of
options for services and recognizes that each person’s situation is unique and
different but they will have reliable options available to them (2017). They
also offer free wigs and lodging at centers if the patients treatment is too
far from their own house to make the commute feasible (ACS, 2017).

 

If I had a friend that was recently diagnosed with cancer I
would recommend them going to the American Cancer Society and formulating a
specialized treatment plan with the providers. Once a treatment plan is in
place then the people at ACS can help to determine how they can best meet his/her
needs.

 

Factors that contribute to the yearly incidence and
mortality rates of cancers in Americans are: diet, exercise, stress, tobacco
use, infectious agents, and environmental risk factors (ACS, 2017). Americans
tend to consume higher fat and processed food diets than most other countries
with less exercise than other countries as well too (ACS, 2017).  According to the American Cancer Society “An estimated 20% of all
cancers diagnosed in the US are caused by a combination of excess body weight, physical
inactivity, excess alcohol consumption, and poor nutrition, and thus could also
be prevented (2017, p. 1)”. Mortality rates for Americans with cancer peaked in
1991 to 215 cases per 100,000 people then dropped significantly in 2017 to
100,000 – this equates to an approximate 25% decline (ACS, 2017). Part of the
decline in mortality rates are linked to less Americans smoking and being more
educated on the risks that lead to cancer (ACS, 2017). One change in policy
that has helped with these rates is the early screening and detection that is
being done in the US (ACS, 2017).

 

“The American Cancer Society has a long history of finding answers
to critical questions about lung cancer – what causes it; how can it be
prevented, detected, and treated successfully; and how lung cancer patients’
quality of life can be improved. These efforts have helped reduce lung cancer
death rates in men by 36% over the past two decades and in women by 11% since
2002. Despite this progress, lung cancer is still the leading cause of
cancer death in the U.S. (www.cancer.org,
nd, p. 1)”. In
2014 The American Cancer Society began a partnership with Stand Up To Cancer to
help fund additional research for lung cancer and developing new therapies for
lung cancer (ACS, nd). This research will have a significant impact on
prevention and treatment of lung cancer worldwide. While it has been noted that
smoking has declined this decline has been seen more significantly in younger
women. Older women continue to smoke and the rates for lung cancer in this
population has increased (ACS, nd). Lung cancer is also caused by environmental
exposures and performing research in this area will also help lead to a
reduction in lung cancer rates in the future (ACS, nd).