Nursing Elites

1. What is the antidote for Warfarin?

• A. Vitamin D
• B. Vitamin C
• C. Vitamin K
• D. Vitamin B6

Correct answer: C

Rationale: Vitamin K is the antidote for Warfarin toxicity as it helps reverse the anticoagulant effects of Warfarin. Warfarin works by inhibiting vitamin K-dependent clotting factors, and administering vitamin K can replenish these factors, thereby counteracting the anticoagulant effects of Warfarin. Vitamin D, Vitamin C, and Vitamin B6 do not have the specific mechanism to counteract the anticoagulant effects of Warfarin, making them incorrect choices.

2. Which of the following conditions is not treated with Nifedipine?

• A. Angina
• B. Arrhythmias
• C. Hypertension
• D. Fluid retention

Correct answer: D

Rationale: Nifedipine is a calcium channel blocker primarily used in the management of angina and hypertension. It is not typically used to treat arrhythmias or fluid retention. Angina is chest pain caused by reduced blood flow to the heart, and hypertension is high blood pressure. Therefore, fluid retention is the condition that is not treated with Nifedipine.

3. 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.

4. A client informs the nurse about taking Gingko Biloba. Which of the following medications is contraindicated for a client taking Gingko Biloba?

• A. Acetaminophen
• B. Warfarin
• C. Digoxin
• D. Lisinopril

Correct answer: B

Rationale: The correct answer is B, Warfarin. Warfarin is contraindicated for a client taking Gingko Biloba due to the potential interaction. Gingko Biloba can suppress coagulation and increase the risk of bleeding or hemorrhage when taken with anticoagulants like Warfarin. Acetaminophen (choice A), Digoxin (choice C), and Lisinopril (choice D) do not have significant interactions with Gingko Biloba.

5. A patient with hypertension is taking an ACE inhibitor to lower blood pressure. What should the nurse advise the patient to avoid in their diet?

• A. Vinegar
• B. Apples
• C. Salt substitutes
• D. Tomatoes

Correct answer: C

Rationale: Patients taking ACE inhibitors should avoid salt substitutes as they often contain potassium, which can lead to hyperkalemia. Hyperkalemia is an elevated level of potassium in the blood that can be dangerous, especially for patients on ACE inhibitors. Vinegar, apples, and tomatoes do not pose a risk for patients taking ACE inhibitors. Therefore, the nurse should advise the patient to avoid salt substitutes to prevent potential complications.

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