Nursing Elites

1. A client who has been prescribed multiple antihypertensive medications experiences syncope and has a blood pressure of 70/40. What is the rationale for the nurse to hold the next scheduled antihypertensive dose?

• A. Increased urinary clearance of the medications has produced diuresis, lowering the blood pressure.
• B. The antagonistic interaction of the medications has reduced their effectiveness.
• C. The synergistic effect of the medications has resulted in drug toxicity, causing hypotension.
• D. The additive effect of the medications has lowered the blood pressure too much.

Correct answer: D

Rationale: The additive effect of multiple antihypertensive medications can cause hypotension, leading to dangerously low blood pressure. In this scenario, the client experiencing syncope with a blood pressure of 70/40 indicates severe hypotension, likely due to the combined action of the antihypertensive medications. Holding the next scheduled dose is essential to prevent further lowering of blood pressure and potential complications. Choices A, B, and C provide inaccurate explanations and do not align with the client's presentation and the need to manage hypotension caused by the additive effect of the medications.

2. An older adult client with eye dryness reports itching and excessive tearing. Which medication group is most likely to have produced this client's symptoms?

• A. Antiinfectives and antidepressants.
• B. Anticoagulants and antihistamines.
• C. Antiretrovirals and antivirals.
• D. Antihypertensives and anticholinergics.

Correct answer: D

Rationale: The correct answer is D: Antihypertensives and anticholinergics. Anticholinergics are known to cause dryness of secretions, including dry eyes, which can lead to symptoms of eye dryness, itching, and excessive tearing as reported by the client. Choices A, B, and C are incorrect as they do not typically cause the symptoms described by the client. Antiinfectives, antidepressants, anticoagulants, antihistamines, antiretrovirals, and antivirals do not commonly lead to dry eyes, itching, and excessive tearing.

3. A client with diabetes mellitus is experiencing hyperglycemia. What laboratory value should the nurse monitor to evaluate long-term glucose control?

• A. Blood glucose level
• B. Glycosylated hemoglobin (A1C)
• C. Urine output
• D. Serum ketone level

Correct answer: B

Rationale: The correct answer is B: Glycosylated hemoglobin (A1C). Glycosylated hemoglobin reflects long-term glucose control over the past three months. Monitoring blood glucose levels provides information on the current glucose status and immediate control, but it does not give a comprehensive view of long-term control. Urine output and serum ketone levels are important indicators for other aspects of diabetes management, such as hydration status and ketone production during hyperglycemic episodes, but they do not directly reflect long-term glucose control.

4. A client with diabetes insipidus is admitted due to a pituitary tumor. What complication should the nurse monitor closely?

• A. Monitor for elevated blood pressure.
• B. Monitor for ketonuria.
• C. Monitor for peripheral edema.
• D. Monitor for hypokalemia.

Correct answer: D

Rationale: The correct answer is to monitor for hypokalemia. In diabetes insipidus, excessive urination can lead to electrolyte imbalances, particularly low potassium levels (hypokalemia). The loss of potassium through increased urination can result in muscle weakness, cardiac dysrhythmias, and other serious complications. Elevated blood pressure (Choice A) is not a typical complication of diabetes insipidus due to pituitary tumors. Ketonuria (Choice B) is more commonly associated with diabetes mellitus due to inadequate insulin levels. Peripheral edema (Choice C) is not a direct complication of diabetes insipidus.

5. A client is receiving continuous intravenous heparin for a deep vein thrombosis. Which laboratory result should the nurse monitor to ensure therapeutic heparin levels?

• A. International normalized ratio (INR)
• B. Activated partial thromboplastin time (aPTT)
• C. Hemoglobin
• D. Platelet count

Correct answer: B

Rationale: The activated partial thromboplastin time (aPTT) is the most accurate measure of heparin's therapeutic effect. Heparin increases the time it takes for blood to clot, and the aPTT helps determine whether the dose is within the desired range for anticoagulation therapy. Monitoring the INR, hemoglobin, or platelet count is not specific to assessing therapeutic heparin levels and may not reflect the anticoagulant effect of heparin.

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