ATI PN Pharmacology 2020 | Nurselytic

Questions 61

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ATI PN Pharmacology 2020 Questions

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Question 1 of 5

A nurse is talking with a client who has been taking levothyroxine to treat hypothyroidism. The nurse should instruct the client to avoid taking which of the following over-the-counter medications within 4 hr of taking levothyroxine?

Correct Answer: B

Rationale: The correct answer is B: Calcium supplements. Levothyroxine can bind to calcium, iron, and other minerals, reducing its absorption. Taking calcium supplements within 4 hours of levothyroxine can decrease the effectiveness of levothyroxine. This interference can lead to inadequate thyroid hormone levels in the body, potentially worsening hypothyroidism symptoms.
Therefore, it is crucial for the client to avoid taking calcium supplements close to the time of levothyroxine administration.

Incorrect choices:
A: Fish oil supplements - Fish oil supplements do not interfere with levothyroxine absorption.
C: Bulk-forming laxatives - Bulk-forming laxatives do not significantly impact levothyroxine absorption.
D: Oral antihistamines - Oral antihistamines do not affect levothyroxine absorption.

Question 2 of 5

Correct Answer:

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Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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