The nurse is caring for a client with hypothyroidism who has a history of myocardial infarction and heart failure.
What thyroid replacement drug would the nurse expect to be ordered?

Levothyroxine.

Thyroid desiccated.

Methimazole.

Liothyronine.

Answer and Explanation

The Correct Answer is A

Levothyroxine is a synthetic form of thyroxine, the hormone that the thyroid gland normally produces. It is used to treat hypothyroidism by replacing the missing hormone and restoring the normal metabolism.

Some explanations for the other choices are:

• Choice B. Thyroid desiccated is a natural thyroid hormone derived from animal thyroid glands.

It contains both T4 and T3 hormones, which may cause side effects or complications in some people with hypothyroidism. It is not recommended as a first-line treatment for hypothyroidism.

• Choice C. Methimazole is an antithyroid drug that blocks the production of thyroid hormones.

It is used to treat hyperthyroidism, not hypothyroidism. Giving methimazole to someone with hypothyroidism would worsen their condition.

• Choice D. Liothyronine is a synthetic form of T3, the active thyroid hormone.

It is sometimes used in combination with levothyroxine to treat hypothyroidism, but it is not a standard treatment. It has a shorter half-life and more variable effects than levothyroxine, and it may increase the risk of cardiac arrhythmias or osteoporosis.

Normal ranges for thyroid function tests vary depending on the laboratory and the method used, but generally they are:

• TSH: 0.4 to 4.0 mIU/L

• Free T4: 0.8 to 2.0 ng/dL

• Free T3: 2.3 to 4.2 pg/mL

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Correct Answer is C

Explanation

The nurse would assess these factors to determine the need for therapy. Some possible explanations for the other choices are:

Choice A. Number of times client’s family reports the client is nauseated.

This is not a reliable indicator of the severity or cause of nausea and vomiting.

The nurse should assess the client directly and not rely on the family’s reports.

Choice B. How well the client is eating.

This is not a specific or objective measure of nausea and vomiting.

The client may have other reasons for not eating well, such as loss of appetite, taste changes, or pain.

The nurse should also monitor the client’s weight, hydration status, and electrolyte levels.

Choice D. Client’s nutritional status and fluid balance.

These are important aspects of the client’s overall health, but they are not directly related to nausea and vomiting.

The nurse should assess these factors as part of the comprehensive care plan, but they are not sufficient to determine the need for therapy.

A. Dimenhydrinate. B. Aspirin. C. Ibuprofen. D. Famotidine.

Correct Answer is B

Explanation

The client should avoid taking aspirin while taking corticosteroids because of the potential drug-drug interaction between them. This interaction may cause a reduction in the blood levels of aspirin and decrease its effectiveness. It may also increase the risk of gastrointestinal side effects such as inflammation, bleeding, ulceration, and perforation.

Choice A is wrong because dimenhydrinate is an antihistamine that is used to prevent and treat nausea, vomiting, and dizziness.

It does not have a significant interaction with corticosteroids.

Choice C is wrong because ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that is used to relieve pain, inflammation, and fever.

It has a similar interaction with corticosteroids as aspirin, but it is less potent and less likely to cause bleeding.

Choice D is wrong because famotidine is a histamine-2 receptor antagonist that is used to treat and prevent ulcers, gastroesophageal reflux disease (GERD), and other conditions that cause excess stomach acid.

It does not have a significant interaction with corticosteroids.

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The nurse is caring for a client with hypothyroidism who has a history of myocardial infarction and heart failure. What thyroid replacement drug would the nurse expect to be ordered?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client has begun reporting nausea and vomiting. What would the nurse assess to determine the need for therapy?

Correct Answer is C

Explanation

A nurse is providing client education to a client who has had corticosteroids prescribed. What drug should the nurse teach the client to avoid while taking the corticosteroids?

Correct Answer is B

Explanation

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The nurse is caring for a client with hypothyroidism who has a history of myocardial infarction and heart failure.
What thyroid replacement drug would the nurse expect to be ordered?