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A statement that provides a legally recognized descriptiona obifrb a.cno min/tedsitv idual’s desires regarding care at the end of life is referred to as what?
- A. Advance directive
- B. Guardianship ad item
- C. Healthcare proxy
- D. Power of attorney
Correct Answer: A
Rationale: The correct answer is A: Advance directive. An advance directive is a legal document that outlines a person's wishes regarding medical treatment and care at the end of life. It allows individuals to specify their preferences for medical interventions if they become unable to communicate.
Summary of other choices:
B: Guardianship ad item - This does not specifically pertain to an individual's end-of-life care wishes.
C: Healthcare proxy - While similar to an advance directive, a healthcare proxy specifically designates a person to make medical decisions on behalf of the individual, rather than specifying their own wishes.
D: Power of attorney - This grants someone the authority to make legal decisions on behalf of the individual, but it does not specifically address end-of-life care preferences.
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A new nurse has recently joined the ICU from a different hospital, which had a much stricter policy regarding visiting hours. She expresses concern about the impact of open visiting hours on patient well-being. Which of the following would be the best explanation for the purpose of open visiting hours? Select all that apply.
- A. To better provide rest and quiet
- B. To strengthen the relationship between the family and health care provider
- C. To control the number of visitors for a patient
- D. To provide an undisturbed environment
Correct Answer: B
Rationale: The correct answer is B: To strengthen the relationship between the family and health care provider.
Rationale:
1. Open visiting hours encourage family involvement in care, fostering a partnership between healthcare providers and families.
2. Family support can positively impact patient outcomes and satisfaction.
3. It allows families to be updated on the patient's condition and involved in decision-making.
4. Strengthening the relationship can lead to better communication and trust between all parties.
Summary of Incorrect Choices:
A: Open visiting hours may disrupt rest and quiet, but the primary purpose is not to provide rest.
C: Open visiting hours do not aim to control the number of visitors but rather encourage family involvement.
D: While open visiting hours may not provide an entirely undisturbed environment, the focus is on improving family-provider relationships.
Which of the following are physiological effects of positive end-expiratory pressure (PEEP) used in the treatment of acute respiratory distress syndrom e (ARDS)? (Select all that apply.)
- A. Increase functional residual capacity
- B. Prevent collapse of unstable alveoli
- C. Improve arterial oxygenation
- D. Open collapsed alveoli
Correct Answer: A
Rationale: The correct answer is A: Increase functional residual capacity. Positive end-expiratory pressure (PEEP) helps increase the functional residual capacity by keeping the alveoli open at the end of expiration. This prevents alveolar collapse, improves ventilation-perfusion matching, and enhances oxygenation.
B: Prevent collapse of unstable alveoli - This is incorrect because PEEP actually helps prevent the collapse of all alveoli, not just unstable ones.
C: Improve arterial oxygenation - This is partially correct, but the primary mechanism through which PEEP improves oxygenation is by increasing functional residual capacity.
D: Open collapsed alveoli - This is incorrect because PEEP helps prevent alveolar collapse rather than actively opening already collapsed alveoli.
When assisting with the placement of a pulmonary artery (PA) catheter, the nurse notes that the catheter is correctly placed when the monitor shows a:
- A. Typical PA pressure waveform.
- B. Tracing of the systemic arterial pressure.
- C. Tracing of the systemic vascular resistance.
- D. Typical PA wedge pressure (PAWP) tracing.
Correct Answer: D
Rationale: Step-by-step rationale for Answer D being correct:
1. PA catheter measures PA pressures.
2. PAWP reflects left atrial pressure.
3. Correct placement shows typical PAWP tracing.
4. PA pressure waveform (A) is not specific to PAWP.
5. Systemic arterial pressure tracing (B) is unrelated.
6. Systemic vascular resistance tracing (C) is not monitored by PA catheter.
The nurse is caring for a patient with acute respiratory dist ress syndrome who is hypoxemic despite mechanical ventilation. The primary care provider (PCP) orders a nontraditional ventilator mode as part of treatment. Despite sedation and aabnirba.lcgoems/tieas,t the patient remains restless and appears to be in discomfort. The nurse informs the PCP of this assessment and anticipates what order?
- A. Continuous lateral rotation therapy
- B. Guided imagery
- C. Neuromuscular blockade
- D. Prone positioning
Correct Answer: C
Rationale: The correct answer is C: Neuromuscular blockade.
1. Neuromuscular blockade helps to achieve optimal ventilator synchrony by reducing patient-ventilator asynchrony and improving oxygenation in patients with acute respiratory distress syndrome (ARDS).
2. Despite sedation, the patient's restlessness and discomfort suggest inadequate ventilator synchrony, which can be addressed by neuromuscular blockade.
3. Continuous lateral rotation therapy (A) and prone positioning (D) are interventions for improving ventilation and oxygenation in ARDS but do not directly address patient-ventilator synchrony.
4. Guided imagery (B) is a non-pharmacological technique for relaxation and pain management, which may not address the underlying issue of ventilator synchrony in this case.
The nurse cites evidence-based practice as a rationale for a patient care decision. What isthe best description of evidence-based practice?
- A. Decisions based on expert legal testimony
- B. Use of best available research data
- C. Evolution of nursing practice over time
- D. Individual optimization of patient outcomes
Correct Answer: B
Rationale: The correct answer is B: Use of best available research data. Evidence-based practice involves integrating the best available research evidence with clinical expertise and patient values to make informed decisions about patient care. It emphasizes using scientifically proven data to guide practice and improve patient outcomes. Expert legal testimony (A) is not necessarily evidence-based. Evolution of nursing practice over time (C) does not specifically focus on research data. Individual optimization of patient outcomes (D) is a goal of evidence-based practice, but it does not fully encompass the concept.