What effect does vitamin K have on warfarin?

Questions 45

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Medical Surgical Nursing Exam Questions Questions

Question 1 of 5

What effect does vitamin K have on warfarin?

Correct Answer: B

Rationale: Vitamin K (B) antagonizes warfarin, reducing its anticoagulant effect.

Question 2 of 5

Are benzodiazepines appropriate for the treatment of phobias?

Correct Answer: C

Rationale: Benzos (C) may help specific phobias (e.g., claustrophobia) short-term.

Question 3 of 5

When a patient vomits while having a heart attack, what is distinctive about the vomitus?

Correct Answer: B

Rationale: Blood (B) in vomit (hematemesis) may occur with MI-related stress.

Question 4 of 5

A person is choking. She can cough, but her face has a bright-red look. What procedure is necessary?

Correct Answer: B

Rationale: Coughing with red face (B) suggests partial obstruction; back slaps help.

Question 5 of 5

Should chemotherapy be performed after a cancer patient is in remission?

Correct Answer: C

Rationale: Chemo post-remission (C) depends on cancer type (e.g., leukemia).

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