Nursing Elites

1. A healthcare professional is preparing to administer Haloperidol 2 mg PO every 12 hr. The available dosage is haloperidol 1 mg/tablet. How many tablets should the healthcare professional administer?

• A. 1 tablet
• B. 2 tablets
• C. 3 tablets
• D. 4 tablets

Correct answer: B

Rationale: To determine the number of tablets needed, divide the desired dose by the dose per tablet. In this case, (2 mg / 1 mg/tablet) = 2 tablets required to administer the prescribed dose of Haloperidol.

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 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.

4. A healthcare professional is reviewing the medical record of a client with a new prescription for Epoetin Alfa. Which of the following findings should the professional report to the provider?

• A. The client has a history of hypertension.
• B. The client has a hemoglobin level of 10 g/dL.
• C. The client has a history of chronic kidney disease.
• D. The client has a blood pressure of 140/90 mm Hg.

Correct answer: C

Rationale: The correct answer is C. Chronic kidney disease is a contraindication for the use of Epoetin Alfa because it can worsen hypertension, increase the risk of cardiovascular events, and lead to adverse outcomes. Epoetin Alfa is used to treat anemia by stimulating red blood cell production, but in the presence of chronic kidney disease, it can exacerbate hypertension and contribute to cardiovascular complications. Choices A, B, and D are not directly related to the contraindication of Epoetin Alfa in the presence of chronic kidney disease.

5. How do ACE inhibitors work?

• A. Block the vasoconstrictor and aldosterone effects of angiotensin II at the receptor site
• B. Block stimulation of beta 1 and beta 2 at the receptor sites
• C. Block the conversion of angiotensin I to the vasoconstrictor angiotensin II
• D. None of the above

Correct answer: C

Rationale: ACE inhibitors work by inhibiting the conversion of angiotensin I to angiotensin II. Angiotensin II is a potent vasoconstrictor, and by blocking its production, ACE inhibitors help dilate blood vessels, reduce blood pressure, and decrease the workload of the heart. Choice A is incorrect because it describes the mechanism of action of angiotensin receptor blockers (ARBs), not ACE inhibitors. Choice B is incorrect as it describes beta-blockers, not ACE inhibitors. Choice D is incorrect as ACE inhibitors do have a specific mechanism of action.

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