The nurse is caring for a client newly diagnosed with hypothyroidism. The client also takes theophylline to control asthma symptoms.
What change may need to be made to the client’s theophylline dose?

Decrease theophylline dosage immediately.

Decrease theophylline dose when normal thyroid function returns.

Discontinue the client’s theophylline.

Increase theophylline dosage immediately.

Answer and Explanation

The Correct Answer is B

This is because hypothyroidism can reduce the metabolism and clearance of theophylline, leading to higher serum levels and increased risk of toxicity. Therefore, when the thyroid function is restored by levothyroxine or liothyronine, the dose of theophylline may need to be lowered to avoid excessive effects.

Choice A is wrong because decreasing theophylline dosage immediately may result in suboptimal control of asthma symptoms.

The dose adjustment should be based on serum theophylline levels and clinical response.

Choice C is wrong because discontinuing the client’s theophylline may cause worsening of asthma and potentially life-threatening complications.

Theophylline is an important bronchodilator that should not be stopped abruptly without medical supervision.

Choice D is wrong because increasing theophylline dosage immediately may cause overdose and adverse effects such as nausea, vomiting, headache, tachycardia, arrhythmias, seizures and even death.

The dose of theophylline should be carefully titrated according to serum levels and clinical response.

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Correct Answer is B

Explanation

Levothyroxine is a synthetic thyroid hormone that is used to treat hypothyroidism. It should be taken on an empty stomach, preferably in the morning, with a full glass of water to facilitate absorption and prevent choking. Taking the medication with food or other substances may interfere with its effectiveness.

Choice A is wrong because levothyroxine does not need to be taken after breakfast.

In fact, taking it after breakfast may reduce its absorption and efficacy.

Choice C is wrong because levothyroxine does not require the patient to remain in the upright position for 30 minutes after administering.

This instruction is more applicable to bisphosphonates, which are drugs used to treat osteoporosis.

Choice D is wrong because levothyroxine should not be taken at night.

Taking it at night may cause insomnia, as well as reduced absorption and efficacy.

A. Severe hip or knee pain. B. Upper respiratory infection lasting more than 6 days. C. Dry skin accompanied by pruritis. D. Nosebleeds.

Correct Answer is A

Explanation

This is because somatropin is a growth hormone that can cause slipped capital femoral epiphysis, a condition where the head of the femur slips off the neck of the bone and causes severe pain and disability. The prescriber should be notified immediately if this occurs.

Choice B is wrong because upper respiratory infection lasting more than 6 days is not a serious adverse effect of somatropin and does not require immediate attention from the prescriber.

Choice C is wrong because dry skin accompanied by pruritus is not a common or serious side effect of somatropin and may be due to other causes.

Choice D is wrong because nosebleeds are not a common or serious side effect of somatropin and may be due to other causes.

Normal ranges for growth hormone levels are 0.4 to 10 ng/mL for males and 1 to 14 ng/mL for females.

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The nurse is caring for a client newly diagnosed with hypothyroidism. The client also takes theophylline to control asthma symptoms. What change may need to be made to the client’s theophylline dose?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is providing client teaching regarding the administration of levothyroxine. What is the nurse’s priority teaching point?

Correct Answer is B

Explanation

When providing client teaching to the family of a 12-year-old child receiving somatropin, the nurse stresses the need to notify prescriber if what manifestation occurs?

Correct Answer is A

Explanation

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The nurse is caring for a client newly diagnosed with hypothyroidism. The client also takes theophylline to control asthma symptoms.
What change may need to be made to the client’s theophylline dose?