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What should a designated healthcare surrogate base healthcare decisions on?
- A. Personal beliefs and values
- B. Recommendations of family members and friends
- C. Recommendations of the physician and healthcare team
- D. Wishes previously expressed by the patient
Correct Answer: C
Rationale: The correct answer is C because the healthcare surrogate should base decisions on recommendations of the physician and healthcare team who have the expertise to provide medical advice. They are best positioned to understand the patient's condition and treatment options. Personal beliefs (A) may not align with medical best practices. Family and friends' recommendations (B) may not be informed by medical knowledge. Wishes previously expressed by the patient (D) are important but may need to be interpreted in the context of the current medical situation, which healthcare professionals can provide.
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Nociceptors differ from other nerve receptors in the body in what way?
- A. They adapt very little to continual pain response.
- B. They inhibit the infiltration of neutrophils and eosinophils.
- C. They play no role in the inflammatory response.
- D. They transmit only the thermal stimuli.
Correct Answer: A
Rationale: The correct answer is A because nociceptors are specialized nerve receptors that do not adapt much to continual pain response. This lack of adaptation allows nociceptors to continuously signal the presence of tissue-damaging stimuli, which is crucial for the perception of pain. Choices B, C, and D are incorrect because nociceptors do not inhibit the infiltration of neutrophils and eosinophils (B), they do play a role in the inflammatory response (C), and they transmit various types of stimuli including thermal, mechanical, and chemical, not just thermal stimuli (D).
The nurse is caring for a patient receiving continuous norepinephrine (Levophed) IV infusion. Which patient assessment finding indicates that the infusion rate may need to be adjusted?
- A. Heart rate is 58 beats/minute.
- B. Mean arterial pressure (MAP) is 56 mm Hg.
- C. Systemic vascular resistance (SVR) is elevated.
- D. Pulmonary artery wedge pressure (PAWP) is low.
Correct Answer: B
Rationale: The correct answer is B because a low Mean Arterial Pressure (MAP) indicates inadequate perfusion, which may require adjusting the norepinephrine infusion rate to increase blood pressure. A: A heart rate of 58 beats/minute is within a normal range and may not necessarily indicate a need for adjustment. C: Elevated Systemic Vascular Resistance (SVR) may be an expected response to norepinephrine and does not necessarily indicate a need for adjustment. D: A low Pulmonary Artery Wedge Pressure (PAWP) may indicate fluid volume deficit but does not directly relate to the need for adjusting norepinephrine infusion rate.
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.
While caring for a critically ill patient, the nurse knows that fostering patient control over the environment is a method for stress reduction. What nursing intervention gives the patient the most environmental control while still adhering to best practice principles?
- A. Ask the patient whether he or she wants to get out of bed.
- B. Give the patients bath at the same time every day.
- C. Explain painful procedures only after giving pain medication.
- D. Choose menu items for the patient to ensure a balanced diet.
Correct Answer: A
Rationale: Step 1: Asking the patient whether he or she wants to get out of bed allows the patient to make a decision regarding their immediate environment, promoting autonomy and control.
Step 2: This intervention respects the patient's preferences and fosters a sense of dignity and empowerment, reducing stress.
Step 3: Best practice principles in nursing emphasize patient-centered care and promoting patient autonomy.
Summary:
Choice A is correct as it directly involves the patient in decision-making, enhancing their sense of control. Choices B, C, and D do not provide the same level of autonomy and control to the patient, making them less effective in reducing stress and promoting patient well-being.
What is the main purpose of certification for critical care n ursing?
- A. To assure the consumer that critical nurses will not make a mistake.
- B. To help prepare the critical care nurse for graduate sch ool.
- C. To assist in promoting magnet status for a facility.
- D. To validate a nurse’s knowledge of critical care nursing
Correct Answer: D
Rationale: The correct answer is D: To validate a nurse’s knowledge of critical care nursing. Certification in critical care nursing validates a nurse's expertise and knowledge in this specialized area of nursing. It demonstrates that the nurse has met certain standards and competencies in critical care practice. This certification ensures that the nurse is well-equipped to provide high-quality care to critically ill patients.
A: To assure the consumer that critical nurses will not make a mistake - This choice is incorrect because certification does not guarantee that nurses will not make mistakes. It focuses on validating knowledge and skills rather than infallibility.
B: To help prepare the critical care nurse for graduate school - This choice is incorrect as certification is more focused on practice readiness rather than academic preparation.
C: To assist in promoting magnet status for a facility - This choice is incorrect as magnet status relates more to the overall excellence and quality of nursing care in a facility, not individual certification.