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 A

Explanation

Diaphoresis means excessive sweating, which is one of the symptoms of hypoglycemia. Hypoglycemia occurs when the blood sugar level is lower than the normal range, which can cause dizziness, confusion, weakness, hunger, and other signs.

Choice B is wrong because flushing of the face is not a symptom of hypoglycemia.

Flushing can be caused by other conditions, such as fever, allergic reactions, or rosacea.

Choice C is wrong because fruity breath is a symptom of hyperglycemia, not hypoglycemia.

Hyperglycemia means high blood sugar level, which can cause the body to produce ketones that give the breath a fruity odor.

Choice D is wrong because unpredictable behaviors are not a specific symptom of hypoglycemia.

However, hypoglycemia can cause confusion, irritability, or anxiety, which may affect the behavior of some people.

The normal range of blood sugar level for most people is between 70 and 130 mg/dL (3.9 and 7.2 mmol/L) before meals and less than 180 mg/dL (10 mmol/L) after meals.

However, this may vary depending on the individual and the type of diabetes.

It is important to monitor the blood sugar level regularly and treat hypoglycemia promptly by eating or drinking a simple sugar source.

A. Prepare a week’s supply of syringes and refrigerate. B. Ask a neighbor to come over every day to prepare the medication. C. Have the client use a magnifying glass. D. Change the client to oral antidiabetics.

Correct Answer is C

Explanation

This strategy can help the client read the numbers on the syringe and prepare the correct dose of insulin. A magnifying glass is also an affordable and accessible tool for the client.

Choice A is wrong because preparing a week’s supply of syringes and refrigerating them can affect the potency and sterility of insulin.

It can also increase the risk of errors or confusion.

Choice B is wrong because asking a neighbor to come over every day to prepare the medication can compromise the client’s privacy and independence.

It can also be unreliable and inconvenient for both parties.

Choice D is wrong because changing the client to oral antidiabetics is not possible for type 1 diabetes.

People with type 1 diabetes need to take insulin for life because their pancreas cannot make insulin.

Oral antidiabetics are only effective for people with type 2 diabetes who have functioning pancreatic beta cells

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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

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Correct Answer is A

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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?