During a routine checkup, a patient states that she is unable to take the prescribed antihistamine because of one of its most common adverse effects. The nurse suspects that which adverse effect has been bothering this patient?
Constipation
Abdominal cramps
Drowsiness
Decreased libido
The Correct Answer is C
Choice A reason: This is incorrect because constipation is not a common or serious adverse effect of antihistamines. However, the patient should increase their fluid and fiber intake and exercise regularly to prevent constipation.
Choice B reason: This is incorrect because abdominal cramps are not a common or serious adverse effect of antihistamines. However, the patient should avoid spicy or fatty foods and take the antihistamine with food or milk to prevent stomach irritation.
Choice C reason: This is correct because drowsiness is one of the most common and bothersome adverse effects of antihistamines. The patient should avoid driving or operating machinery if they experience drowsiness and take the antihistamine at bedtime.
Choice D reason: This is incorrect because decreased libido is not a common or serious adverse effect of antihistamines. However, the patient should inform their provider if they experience any sexual dysfunction or mood changes while taking the antihistamine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C"]
Explanation
Choice A reason: Tremors are a common sign of hypoglycemia, which occurs when the blood glucose level drops below 70 mg/dL. Hypoglycemia can cause shakiness, nervousness, and anxiety.
Choice B reason: Polydipsia, or excessive thirst, is not a manifestation of hypoglycemia, but rather of hyperglycemia, which occurs when the blood glucose level is too high. Hyperglycemia can cause dehydration, dry mouth, and increased urination.
Choice C reason: Confusion is another common sign of hypoglycemia, which can affect the brain's function and cognition. Hypoglycemia can cause dizziness, headache, difficulty concentrating, and impaired judgment.

Choice D reason: Polyphagia, or excessive hunger, is also not a manifestation of hypoglycemia, but rather of hyperglycemia. Hyperglycemia can cause the body to break down muscle and fat for energy, resulting in weight loss and increased appetite.
Choice E reason: Polyuria, or excessive urination, is also not a manifestation of hypoglycemia, but rather of hyperglycemia. Hyperglycemia can cause the kidneys to excrete excess glucose in the urine, leading to fluid loss and electrolyte imbalance.
Correct Answer is B
Explanation
Choice A reason: This is incorrect because the patient may not see a response from the medication for at least six months. The patient should continue taking the medication as prescribed and follow up with the provider regularly.
Choice B reason: This is correct because finasteride can cause birth defects in male fetuses if it is absorbed through the skin or ingested by pregnant women. The patient should wear gloves when handling the tablets and avoid contact with crushed or broken tablets.
Choice C reason: This is incorrect because PSA levels will decrease while taking this medication. PSA stands for prostate-specific antigen, which is a marker for prostate cancer. The patient should inform the provider that they are taking finasteride before having a PSA test, as it may affect the results.
Choice D reason: This is incorrect because grapefruit juice does not interact with finasteride. However, the patient should avoid alcohol and other medications that may affect the liver while taking finasteride.

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