A nurse is giving discharge instructions to a client who is beginning theophylline. The nurse should tell the client that this medication might cause which of the following adverse effects?

Drowsiness

Constipation

Oliguria

Tachycardia

Answer and Explanation

The Correct Answer is A

a) Theophylline, a bronchodilator, can cause central nervous system stimulation, leading to side effects such as insomnia, nervousness, and drowsiness.

b) Constipation is not a common adverse effect of theophylline.

c) Oliguria is not a typical side effect of theophylline.

d) Tachycardia is more commonly associated with theophylline toxicity. While it can be a side effect, it is not the most prominent or common adverse effect.

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Correct Answer is B

Explanation

A) While beta-blockers can mask some symptoms of hypoglycemia, the major concern in this scenario is ketoacidosis.

B) Beta-blockers, like propranolol, can mask the typical symptoms of hypoglycemia (tachycardia, palpitations), leading to a delayed recognition of low blood sugar levels.

C) Propranolol may enhance the hypoglycemic effect of insulin, but the primary concern in this case is ketoacidosis.

D) Beta-blockers can indeed cause insulin resistance, but the primary concern in this context is the risk of ketoacidosis.

A. Hold metformin 24 hours to 48 hours before the CT. B. Hold metformin 48 hours after the CT. C. Double the metformin dose after the CT. D. Take metformin as scheduled the day of the CT. E. Resume metformin at half dose after the CT.

Correct Answer is ["A","B"]

Explanation

A) Hold metformin 24 hours to 48 hours before the CT. This is correct because it reduces the chance of metformin accumulating in the blood and causing lactic acidosis when combined with the contrast dye.

B) Hold metformin 48 hours after the CT. This is also correct because it allows time for the contrast dye to be eliminated from the body before resuming metformin.

C) Double the metformin dose after the CT. This is incorrect and dangerous because it can cause hypoglycemia, low blood sugar, which can lead to confusion, seizures, coma, or death. D) Take metformin as scheduled the day of the CT. This is incorrect and risky because it can result in high levels of metformin in the blood when mixed with the contrast dye, increasing the likelihood of lactic acidosis.

E) Resume metformin at half dose after the CT. This is incorrect and unnecessary because there is no evidence that reducing the dose of metformin after a CT scan with contrast dye has any benefit or reduces any harm.

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A nurse is giving discharge instructions to a client who is beginning theophylline. The nurse should tell the client that this medication might cause which of the following adverse effects?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client with type 1 diabetes who takes insulin reports taking propranolol for hypertension. Why is the nurse concerned?

Correct Answer is B

Explanation

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Correct Answer is ["A","B"]

Explanation

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