When treating hypertensive emergencies, the nurse identifies the most appropriate route of administration for antihypertensive agents as being which of the following?
Continuous IV infusion
Sublingual
Intramuscular
Oral
The Correct Answer is A
Rationale:
A. Continuous IV infusion is the most appropriate route for treating hypertensive emergencies because it allows for rapid and controlled reduction of blood pressure, which is crucial in preventing target organ damage.
B. Sublingual administration is not recommended in hypertensive emergencies because it does not allow for the precise control needed in these situations.
C. Intramuscular administration is generally not used for antihypertensive agents in emergencies because it does not provide the rapid and adjustable response that IV infusion does.
D. Oral administration is too slow in onset for hypertensive emergencies and is not appropriate when immediate blood pressure control is necessary.
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Correct Answer is B
Explanation
Rationale:
A. Spironolactone is a potassium-sparing diuretic, so it would not cause hypokalemia.
B. Furosemide is a loop diuretic that causes the kidneys to excrete potassium, leading to hypokalemia.
C. Metoprolol is a beta-blocker and does not directly affect potassium levels.
D. Nitroglycerin is a vasodilator and does not affect potassium levels.
Correct Answer is B
Explanation
Rationale:
A. There is no time to wait for a DNR order in an emergency; immediate action is needed.
B. Without a written DNR order, the nurse is legally and ethically obligated to initiate CPR and call the emergency response team to attempt to save the client’s life.
C. Contacting the risk manager is not an immediate action that would benefit the patient in this emergency situation.
D. The family’s wishes cannot be respected in this scenario without a formal DNR order in place; thus, the nurse must perform CPR.