ATI RN
ATI Pharmacology Proctored
1. Which of the following is the antidote for Heparin toxicity?
- A. Protamine
- B. Methylene blue
- C. N-acetylcysteine
- D. Glucagon
Correct answer: A
Rationale: Protamine is the specific antidote for Heparin toxicity. Heparin is an anticoagulant medication, and if an overdose occurs or if there is excessive bleeding due to Heparin use, protamine, a positively charged molecule, can neutralize the anticoagulant effects of Heparin by forming a complex with it. This binding prevents Heparin from further inhibiting coagulation factors and helps in reversing its effects.
2. A nurse is assessing a client who is receiving IV vancomycin. The nurse notes a flushing of the neck and tachycardia. Which of the following actions should the nurse take?
- A. Document that the client experienced an anaphylactic reaction to the medication.
- B. Change the IV infusion site.
- C. Decrease the infusion rate on the IV.
- D. Apply cold compresses to the neck area.
Correct answer: C
Rationale: Flushing and tachycardia are signs of Red Man Syndrome, which can be mitigated by decreasing the infusion rate.
3. A client has a new prescription for Hydroxychloroquine to treat Lupus Erythematosus. Which of the following adverse effects should the nurse include in the teaching?
- A. Nausea
- B. Hair loss
- C. Eye damage
- D. Drowsiness
Correct answer: C
Rationale: The correct answer is 'C: Eye damage.' Hydroxychloroquine can cause severe adverse effects on the eyes, such as retinopathy, which can lead to permanent visual impairment. It is essential for clients to be aware of this potential adverse effect and report any changes in vision promptly. Choices A, B, and D are incorrect because although nausea, hair loss, and drowsiness can occur with Hydroxychloroquine, they are not as severe or critical as the risk of eye damage.
4. A client has a new prescription for Iron supplements. Which of the following instructions should be included in the teaching?
- A. Take the medication with a glass of orange juice.
- B. Avoid taking the medication with milk.
- C. Increase fiber intake to prevent constipation.
- D. Expect stools to be dark.
Correct answer: C
Rationale: The correct answer is to increase fiber intake to prevent constipation when taking iron supplements. Iron supplements can lead to constipation as a common side effect. Increasing fiber intake helps promote healthy bowel movements and counteracts the constipating effects of iron. Choice A is incorrect because iron absorption is hindered by calcium found in milk. Choice B is incorrect as orange juice enhances iron absorption due to its vitamin C content. Choice D is incorrect as iron supplements can cause stools to appear dark, not bright red.
5. A client has been prescribed Warfarin for atrial fibrillation. Which of the following instructions should the nurse include in the discharge teaching?
- A. Avoid foods high in vitamin K.
- B. Take this medication with food to prevent nausea.
- C. Monitor your heart rate daily before taking the medication.
- D. Limit your fluid intake to 1 liter per day.
Correct answer: A
Rationale: The correct instruction for the nurse to include in the discharge teaching for a client prescribed Warfarin is to 'Avoid foods high in vitamin K.' Foods high in vitamin K can decrease the effectiveness of Warfarin by interfering with its anticoagulant effects, potentially leading to blood clotting issues. It is crucial for clients on Warfarin therapy to maintain a consistent intake of vitamin K-containing foods to ensure the stability of the medication's effects. Choices B, C, and D are incorrect because taking Warfarin with food, monitoring heart rate daily, or limiting fluid intake are not directly related to optimizing the effectiveness of Warfarin therapy.
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