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The nurse manager recognizes which action as an effectiveab sirtbr.acotmeg/teys tf or promoting changes in practice?
- A. Asking the clinical nurse specialist to lead a journal clu b on open visitation after each nurse is tasked to read one research article about visitation.
- B. Discussing pros and cons of open visitation at the next staff meeting.
- C. Inviting the nurses with the most experience to develop a revised policy.
- D. Tasking the unit-based nurse practice council to invite volunteers to serve on the council to revise the current policy toward more liberaal bviribs.ciotamt/iteosnt .
Correct Answer: A
Rationale: The correct answer is A because it involves a structured approach to promoting changes in practice. By asking the clinical nurse specialist to lead a journal club on open visitation after each nurse reads a research article, it ensures that all nurses are informed and engaged in the topic. This approach promotes evidence-based practice and encourages active participation.
Option B is less effective as discussing pros and cons at a staff meeting may not ensure that all nurses have the necessary knowledge to make informed decisions. Option C may not consider diverse perspectives and may not involve all staff members equally. Option D involves a select group of volunteers and may not reflect the views of the entire team. Overall, option A is the most inclusive and educational approach to promoting changes in practice.
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The patient is in a progressive care unit following arteriovenous fistula implantation in his left upper arm, and is due to have blood drawn with his next set of vital signs and assessment. When the nurse assesses the patient, the nurse should
- A. draw blood from the left arm.
- B. take blood pressures from the left arm.
- C. start a new intravenous line in the left lower arm.
- D. auscultate the left arm for a bruit and palpate for a thrill.
Correct Answer: D
Rationale: The correct answer is D because after arteriovenous fistula implantation, it is essential to assess for the presence of a bruit (audible sound caused by turbulent blood flow) and thrill (vibratory sensation) in the access site, which indicates proper functioning of the fistula. This assessment ensures that blood is flowing adequately through the newly created access for dialysis or other procedures. Drawing blood or taking blood pressures from the fistula arm can lead to complications such as clot formation or damage to the fistula. Starting a new IV line in the same arm is contraindicated to avoid compromising the newly created fistula. Thus, auscultating for a bruit and palpating for a thrill are the appropriate nursing actions in this scenario.
What is an early signs of the effect of hypoxemia on the nervous system?
- A. Cyanosis
- B. Restlessness
- C. Tachycardia
- D. Tachypnea
Correct Answer: B
Rationale: The correct answer is B: Restlessness. When the body experiences hypoxemia (low oxygen levels), the brain is deprived of oxygen, leading to early signs such as restlessness. This is due to the brain's attempt to increase oxygen intake by increasing activity. Cyanosis (A) is a late sign of hypoxemia when oxygen levels are critically low. Tachycardia (C) and tachypnea (D) are compensatory mechanisms in response to hypoxemia, but they are not early signs affecting the nervous system directly.
Intrapulmonary shunting refers to what outcome?
- A. Alveoli that are not perfused.
- B. Blood that is shunted from the left side of the heart to t he right and causes heart failure.
- C. Blood that is shunted from the right side of the heart to the left without oxygenation.
- D. Shunting of blood supply to only one lung.
Correct Answer: C
Rationale: Step-by-step rationale for why choice C is correct:
1. Intrapulmonary shunting refers to blood bypassing the normal oxygenation process in the lungs.
2. Choice C describes blood being shunted from the right side of the heart (deoxygenated blood) to the left side without oxygenation, leading to systemic circulation without oxygenation.
3. Choices A, B, and D do not accurately describe intrapulmonary shunting as they focus on other concepts like alveolar perfusion, heart failure, and unilateral lung blood supply, respectively.
The term used to describe an increase in blood urea nitrogen (BUN) and serum creatinine is
- A. oliguria.
- B. azotemia.
- C. acute kidney injury.
- D. prerenal disease.
Correct Answer: B
Rationale: The correct answer is B: azotemia. Azotemia refers to an increase in BUN and serum creatinine levels, indicating impaired kidney function. Oliguria (A) is a decrease in urine output, not specific to BUN and creatinine levels. Acute kidney injury (C) is a broader term encompassing various causes of kidney dysfunction, not specific to elevated BUN and creatinine. Prerenal disease (D) refers to conditions affecting blood flow to the kidneys, not directly related to elevated BUN and creatinine levels.
The critical care nurse knows that in critically ill patients, renal dysfunction
- A. is a very rare problem.
- B. affects nearly two thirds of patients.
- C. has a low mortality rate once renal replacement therapy has been initiated.
- D. has little effect on morbidity, mortality, or quality of life.
Correct Answer: B
Rationale: The correct answer is B. Renal dysfunction is common in critically ill patients due to various factors like sepsis, hypotension, and nephrotoxic medications. This affects nearly two thirds of patients, making it a significant issue in critical care. Choices A, C, and D are incorrect. A is wrong because renal dysfunction is not rare in critically ill patients. C is incorrect as renal replacement therapy does not guarantee low mortality rates. D is inaccurate as renal dysfunction can have a significant impact on morbidity, mortality, and quality of life in critically ill patients.