Nursing Elites

1. A client is prescribed Bethanechol to treat urinary retention. Which of the following findings is a manifestation of muscarinic stimulation?

• A. Dry mouth
• B. Hypertension
• C. Excessive perspiration
• D. Fecal impaction

Correct answer: C

Rationale: Bethanechol is a muscarinic agonist, which stimulates muscarinic receptors. Activation of these receptors can lead to increased sweating (excessive perspiration) as a manifestation of muscarinic stimulation. Options A, B, and D are not typically associated with muscarinic stimulation. Dry mouth is a common side effect of anticholinergic medications, hypertension is not a common manifestation of muscarinic stimulation, and fecal impaction is not directly related to muscarinic receptor activation.

2. What is the primary action of warfarin as an anticoagulant?

• A. Prevents the formation of blood clots
• B. Dissolves existing blood clots
• C. Dilates coronary arteries
• D. Treats rhythm disturbances

Correct answer: A

Rationale: The correct answer is A: "Prevents the formation of blood clots." Warfarin acts as an anticoagulant by inhibiting the synthesis of certain clotting factors in the liver. This action reduces the blood's ability to clot, making it effective in preventing the formation of blood clots. Choice B is incorrect because warfarin does not dissolve existing blood clots; it prevents their formation. Choice C is incorrect because warfarin's primary action is not to dilate coronary arteries. Choice D is incorrect as warfarin is not used to treat rhythm disturbances, but rather to prevent clot formation.

3. A client receiving chemotherapy with Methotrexate asks why Leucovorin is being given. Which of the following responses should the nurse use?

• A. Leucovorin reduces the risk of a transfusion reaction from Methotrexate.
• B. Leucovorin increases platelet production and prevents bleeding.
• C. Leucovorin potentiates the cytotoxic effects of Methotrexate.
• D. Leucovorin protects healthy cells from Methotrexate's toxic effects.

Correct answer: D

Rationale: Leucovorin, a folic acid derivative and an antagonist to Methotrexate, is given within 12 hours of high doses of Methotrexate to protect healthy cells from the toxic effects of Methotrexate. It helps to reduce the bone marrow suppression and gastrointestinal side effects caused by Methotrexate, supporting the client's overall well-being during chemotherapy treatment. Choices A, B, and C are incorrect because Leucovorin does not reduce the risk of a transfusion reaction from Methotrexate, increase platelet production, prevent bleeding, or potentiate the cytotoxic effects of Methotrexate. Instead, Leucovorin works by rescuing healthy cells from the toxic effects of Methotrexate.

4. A client with a new prescription for Escitalopram for the treatment of generalized anxiety disorder is being taught by a healthcare provider. Which statement by the client indicates understanding of the teaching?

• A. I should take the medication on an empty stomach.
• B. I will follow a low-sodium diet while taking this medication.
• C. I need to discontinue this medication slowly.
• D. I should not crush this medication before swallowing.

Correct answer: C

Rationale: The correct answer is C. When discontinuing escitalopram, the client should taper the medication slowly according to a prescribed tapered dosing schedule to reduce the risk of withdrawal syndrome. This gradual reduction helps minimize potential withdrawal symptoms and ensures a safer discontinuation process. Choices A, B, and D are incorrect because taking escitalopram on an empty stomach, following a low-sodium diet, and not crushing the medication are not directly related to the safe and effective use of the medication or its discontinuation process.

5. ACE Inhibitors are used in the treatment of all EXCEPT:

• A. Hypertension
• B. Heart Failure
• C. Hypotension
• D. Diabetic nephropathy

Correct answer: C

Rationale: ACE inhibitors are commonly used in the treatment of hypertension, heart failure, and diabetic nephropathy due to their ability to reduce blood pressure, improve heart function, and protect the kidneys. However, they are not indicated for hypotension as they can further lower blood pressure, worsening the condition. Therefore, the correct answer is C. Choice A, hypertension, is correct as ACE inhibitors are a first-line treatment for this condition. Choice B, heart failure, is also correct as ACE inhibitors help improve heart function in patients with heart failure. Choice D, diabetic nephropathy, is correct as ACE inhibitors can slow the progression of kidney damage in diabetic patients.

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