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 drugs has a therapeutic effect that prevents thromboembolic events?

• A. Warfarin
• B. Amlodipine
• C. Nitroglycerin
• D. Clopidogrel

Correct answer: A

Rationale: The correct answer is Warfarin. Warfarin is an anticoagulant medication that helps prevent thromboembolic events by inhibiting the formation of blood clots. It is commonly used to reduce the risk of strokes or heart attacks in patients at risk for thrombosis.

3. A client's plasma Lithium level is 2.1 mEq/L. Which of the following is an appropriate action by the nurse?

• A. Perform immediate gastric lavage.
• B. Prepare the client for hemodialysis.
• C. Administer an additional oral dose of lithium.
• D. Request a stat repeat of the laboratory test.

Correct answer: A

Rationale: In a client with a plasma lithium level of 2.1 mEq/L, immediate gastric lavage is appropriate for severe toxicity. Gastric lavage can help lower the client's lithium level by removing the unabsorbed lithium from the stomach.

4. A client is starting therapy with filgrastim, and a nurse is providing teaching on monitoring adverse effects. Which of the following adverse effects should the nurse instruct the client to monitor?

• A. Bone pain
• B. Constipation
• C. Tinnitus
• D. Dry mouth

Correct answer: A

Rationale: The correct answer is A: Bone pain. The nurse should instruct the client to monitor for bone pain since it is a common adverse effect of filgrastim. This occurs due to increased bone marrow activity stimulated by the medication.

5. A client has a new prescription for Brimonidine ophthalmic drops and wears soft contact lenses. Which of the following instructions should the nurse include in the teaching?

• A. This medication can stain your contacts.
• B. This medication can cause your pupils to constrict.
• C. This medication can absorb into your contacts.
• D. This medication can slow your heart rate.

Correct answer: C

Rationale: The correct answer is C. Brimonidine can absorb into soft contact lenses. To prevent this, the client should remove their contacts, instill the medication, and wait at least 15 minutes before putting the contacts back in to avoid potential absorption of the medication by the lenses. Choices A, B, and D are incorrect because Brimonidine's main concern with contact lenses is its absorption into the lenses rather than staining contacts, causing pupil constriction, or affecting heart rate.

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