A client asks the nurse about a prescription for the antihistamine, diphenhydramine (Benadryl). The nurse should teach the client that this medication is contraindicated in clients who have a history of which condition?

Asthma

Hypertension

Glaucoma

Depression

Answer and Explanation

The Correct Answer is C

Choice A reason: Asthma

Diphenhydramine is an antihistamine that can cause drying of the airways and thickening of bronchial secretions, which might exacerbate asthma symptoms. However, it is not strictly contraindicated in asthma patients. Instead, caution is advised, and it should be used under medical supervision if necessary.

Choice B reason: Hypertension

While diphenhydramine can cause mild increases in blood pressure due to its anticholinergic effects, it is not contraindicated in patients with hypertension. Patients with hypertension should use it cautiously and under medical advice, but it is not an absolute contraindication.

Choice C reason: Glaucoma

Diphenhydramine is contraindicated in patients with glaucoma, particularly closed-angle glaucoma. This is because diphenhydramine has anticholinergic properties that can increase intraocular pressure, potentially worsening the condition. Patients with glaucoma should avoid using diphenhydramine to prevent complications related to increased eye pressure.

Choice D reason: Depression

Diphenhydramine is not contraindicated in patients with depression. However, it can cause drowsiness and sedation, which might affect mood and energy levels. Patients with depression should use it cautiously and under medical supervision, but it is not an absolute contraindication.

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Correct Answer is B

Explanation

Choice A reason: A history of hypothyroidism is not a contraindication for magnet therapy. Hypothyroidism is a condition where the thyroid gland does not produce enough thyroid hormone, but it does not interfere with the use of magnetic fields. Therefore, patients with hypothyroidism can safely use magnet therapy.

Choice B reason: Having a pacemaker is a significant contraindication for magnet therapy. Magnetic fields can interfere with the functioning of pacemakers, potentially leading to serious complications. Patients with pacemakers should avoid magnet therapy to prevent any risk of device malfunction.

Choice C reason: A history of narcolepsy is not a contraindication for magnet therapy. Narcolepsy is a neurological disorder that affects the control of sleep and wakefulness, but it does not interact with magnetic fields. Therefore, patients with narcolepsy can use magnet therapy without concern.

Choice D reason: An indwelling catheter is not a contraindication for magnet therapy. Indwelling catheters are used for urinary drainage and do not interact with magnetic fields4. Patients with indwelling catheters can safely undergo magnet therapy.

Correct Answer is ["3"]

Explanation

Step-by-Step Calculation:

Step 1: Determine the dose required.

Dose required = 1.5 mg

Step 2: Determine the dose available per tablet.

Dose available per tablet = 0.5 mg

Step 3: Calculate the number of tablets needed.

Number of tablets = Dose required ÷ Dose available per tablet
Number of tablets = 1.5 mg ÷ 0.5 mg/tablet

Step 4: Perform the division.

1.5 ÷ 0.5 = 3

Result: The nurse should administer 3 tablets.

Therefore, the nurse should administer 3 tablets.

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A client asks the nurse about a prescription for the antihistamine, diphenhydramine (Benadryl). The nurse should teach the client that this medication is contraindicated in clients who have a history of which condition?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client wants to start doing magnet therapy. The nurse should explain to the client, which would be a contraindication for the use of magnet therapy?

Correct Answer is B

Explanation

A nurse is preparing to administer digoxin 1.5 mg PO to a client. The amount available is digoxin 0.5 mg tablet. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["3"]

Explanation

A nurse is assessing a client who is 2 days postoperative and is auscultating their bilateral breath sounds. The nurse notes absent breath sounds in the bases. The nurse should suspect which postoperative complication is occurring in this client?

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