Nursing Elites

1. A client is undergoing preparation for extensive colorectal surgery. Which of the following oral antibiotics should be administered to suppress normal flora in the GI tract?

• A. Kanamycin
• B. Gentamicin
• C. Neomycin
• D. Tobramycin

Correct answer: C

Rationale: The correct answer is C: Neomycin. Neomycin, an aminoglycoside antibiotic, is administered orally before GI surgery to eliminate the normal flora in the large intestine. This helps reduce the risk of postoperative infections by decreasing the bacterial load in the gut. Choices A, B, and D (Kanamycin, Gentamicin, Tobramycin) are not typically used to suppress normal flora in the GI tract before colorectal surgery.

2. A client has a new prescription for Digoxin to treat heart failure. Which of the following instructions should the nurse include in the teaching?

• A. Contact the provider if the heart rate is less than 60/min.
• B. Check the pulse rate for 30 seconds and multiply the result by 2.
• C. Increase the intake of sodium.
• D. Take with food if nausea occurs.

Correct answer: A

Rationale: The correct answer is A. It is crucial for clients on Digoxin to monitor their heart rate. A heart rate less than 60/min can indicate bradycardia, a potential side effect of Digoxin. Therefore, the client should be instructed to contact the provider if their heart rate is less than 60/min to prevent complications and receive appropriate management. Choices B, C, and D are incorrect. Checking the pulse rate for 30 seconds and multiplying by 2 is not specific to Digoxin administration. Increasing sodium intake is contraindicated as Digoxin can lead to sodium retention. Taking Digoxin with food if nausea occurs is not recommended as it may affect the drug's absorption.

3. 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.

4. While reviewing a client's medical history, a healthcare professional notes a prescription for Digoxin. Which of the following findings is a manifestation of Digoxin toxicity?

• A. Elevated blood pressure
• B. Bradycardia
• C. Yellow-tinged vision
• D. Ringing in the ears

Correct answer: C

Rationale: Yellow-tinged vision is a visual disturbance associated with Digoxin toxicity, often accompanied by other symptoms like nausea, vomiting, and confusion. Bradycardia is a common therapeutic effect of Digoxin, while elevated blood pressure and ringing in the ears are not typically associated with Digoxin toxicity. Therefore, the correct answer is yellow-tinged vision as a manifestation of Digoxin toxicity.

5. What is the correct medical term used to describe impaired blood flow in the coronary arteries?

• A. Myocardial infarction
• B. Angina pectoris
• C. Cerebrovascular accident
• D. Coronary heart disease

Correct answer: D

Rationale: The correct medical term for impaired blood flow in the coronary arteries is Coronary heart disease. This condition is characterized by a narrowing or blockage of the coronary arteries, leading to reduced blood flow to the heart muscle. Myocardial infarction (choice A) refers to a heart attack, which occurs when blood flow to a part of the heart is blocked. Angina pectoris (choice B) is chest pain or discomfort that occurs when the heart muscle doesn't receive enough oxygen-rich blood. Cerebrovascular accident (choice C) is the medical term for a stroke, which occurs when blood flow to a part of the brain is interrupted.

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