Correct Answer: C

Rationale: The correct answer is C: Treatment for elevated blood pressure. In the initial stress response, the body releases adrenaline and cortisol, leading to increased heart rate and blood pressure. Treating elevated blood pressure is crucial to prevent complications like heart attack or stroke. Adequate pain control (A) and intravenous sedation (B) may help manage symptoms but do not directly address the physiological response to stress. Ignoring an elevated glucose level (D) is not recommended as stress can impact blood sugar levels. Treatment for elevated blood pressure directly targets the physiological response to stress, making it the best nursing action in this scenario.

Correct Answer: B

Rationale: The correct answer is B: Caring practices. In this situation, the patient and her husband are dealing with complex medical conditions and emotional distress. Caring practices involve providing compassionate, empathetic, and supportive care to the patient and her family members during this difficult time. The nurse needs to show sensitivity, understanding, and emotional support to help them cope with their situation. Clinical judgment (A) is important but not the primary focus in this scenario. Collaboration (C) is essential in the interdisciplinary team, but caring practices take precedence in addressing the emotional needs. Response to diversity (D) is also important, but in this case, the focus is more on providing compassionate care rather than addressing cultural or social diversity issues.

Correct Answer: C

Rationale: The correct answer is C because a respiratory rate of 32 breaths/min indicates increased work of breathing, which could be a sign of respiratory distress. In a patient being weaned from mechanical ventilation, an elevated respiratory rate suggests that the patient may not be able to sustain adequate ventilation on their own. This warrants stopping the weaning protocol to prevent respiratory failure. Choice A is incorrect because a heart rate of 97 beats/min is within normal range for an adult. Choice B is incorrect because an oxygen saturation of 93% is acceptable for a patient with COPD. Choice D is incorrect because a tidal volume of 450 mL is adequate for a patient weaning from mechanical ventilation.

Correct Answer: D

Rationale: The correct answer is D: Thrombolytics. Thrombolytics are medications that can dissolve blood clots, making them effective in treating a thrombus lodged in the pulmonary artery. They work by activating the body's natural clot-dissolving system. Aspirin (A) is an antiplatelet drug and may prevent further clot formation but cannot dissolve an existing thrombus. Embolectomy (B) is a surgical procedure to remove a clot and is invasive, usually reserved for cases where thrombolytics are contraindicated. Heparin (C) is an anticoagulant that prevents clot formation but does not dissolve existing clots like thrombolytics do.

Correct Answer: A

Rationale: The correct answer is A: Diminished breath sounds over the left lung field. This finding could indicate a pneumothorax, a serious complication of subclavian CVC insertion. Immediate action is required to prevent respiratory distress. Incorrect answers: B: Localized pain at insertion site is common post-procedure and may not indicate a serious issue. C: A central venous pressure of 5 mm Hg is within the normal range and does not require immediate action. D: Slight bloody drainage is expected initially and can be managed with routine care.