ATI LPN
LPN Pharmacology
1. The client is receiving intravenous heparin for the treatment of a pulmonary embolism. Which medication should the nurse ensure is readily available?
- A. Protamine sulfate
- B. Vitamin K
- C. Calcium gluconate
- D. Magnesium sulfate
Correct answer: A
Rationale: Protamine sulfate is the antidote for heparin, used to reverse its anticoagulant effects. It should be readily available in case of bleeding complications, as it can rapidly neutralize the effects of heparin and prevent excessive bleeding. Vitamin K is used to reverse the effects of warfarin, not heparin (Choice B). Calcium gluconate is used to treat calcium deficiencies, not indicated for heparin therapy (Choice C). Magnesium sulfate is used for conditions like preeclampsia and eclampsia, not for reversing heparin effects (Choice D).
2. A client has a new prescription for sertraline. Which of the following instructions should the nurse include?
- A. Take the medication in the morning.
- B. Avoid consuming grapefruit juice.
- C. Take the medication with a full glass of water.
- D. Monitor for signs of weight gain.
Correct answer: B
Rationale: The correct instruction for the nurse to include is to 'Avoid consuming grapefruit juice.' Grapefruit juice can increase sertraline levels, leading to an elevated risk of side effects. Instructing the client to avoid grapefruit juice is crucial to prevent potential interactions that could impact the effectiveness and safety of the medication. The other options are not directly related to sertraline administration. Taking the medication in the morning may vary depending on individual preferences or the prescriber's directions. Taking the medication with a full glass of water is a general instruction for many medications and not specific to sertraline. Monitoring for signs of weight gain is important but not a direct instruction related to taking sertraline.
3. A client has a new prescription for alendronate. Which of the following instructions should be included in the teaching?
- A. Take the medication with a full glass of water.
- B. Lie down for 30 minutes after taking the medication.
- C. Take the medication at bedtime.
- D. Avoid dairy products while taking the medication.
Correct answer: A
Rationale: The correct instruction for taking alendronate is to take it with a full glass of water to prevent esophageal irritation. This helps ensure proper absorption and reduces the risk of irritation to the esophagus. Choice B is incorrect because patients should remain upright for at least 30 minutes after taking alendronate to prevent esophageal irritation. Choice C is incorrect as alendronate should be taken in the morning on an empty stomach. Choice D is also incorrect as there is no specific requirement to avoid dairy products while taking alendronate.
4. A client has a new prescription for prednisone. Which of the following statements should the nurse include in teaching the client?
- A. You may experience weight gain.
- B. Increase your intake of vitamin K.
- C. Expect increased urinary output.
- D. You may have dark, tarry stools.
Correct answer: A
Rationale: The correct answer is A. Weight gain is a common side effect of prednisone. The nurse should educate the client about the possibility of weight gain and the need to monitor it closely during treatment with prednisone. Choice B is incorrect because increasing vitamin K intake is not specifically related to prednisone therapy. Choice C is incorrect as prednisone is more likely to cause fluid retention rather than increased urinary output. Choice D is incorrect as dark, tarry stools are not a common side effect of prednisone.
5. The client with a history of heart failure is receiving digoxin (Lanoxin). Which electrolyte imbalance increases the risk of digoxin toxicity?
- A. Hypernatremia
- B. Hypercalcemia
- C. Hypokalemia
- D. Hypomagnesemia
Correct answer: C
Rationale: Hypokalemia increases the risk of digoxin toxicity as low potassium levels enhance the effects of digoxin on the heart, leading to toxicity and potential adverse effects. Hypernatremia (Choice A) is not directly associated with an increased risk of digoxin toxicity. Hypercalcemia (Choice B) does not increase the risk of digoxin toxicity. Hypomagnesemia (Choice D) can contribute to digoxin toxicity, but hypokalemia has a more significant impact on increasing the risk.
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