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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Applying compression stockings is a key prophylactic intervention to prevent complications of immobility, such as deep vein thrombosis (DVT) and venous thromboembolism (VTE). Compression stockings help improve blood circulation in the legs by applying graduated pressure, which reduces the risk of blood clots forming in the deep veins. This is particularly important for immobile patients who are at higher risk of developing DVT due to prolonged periods of inactivity.
Choice B reason: Raising all side rails is primarily a safety measure to prevent falls and does not directly address the complications of immobility. While it is important for patient safety, it does not have a significant impact on preventing issues like DVT, pressure ulcers, or muscle atrophy. Therefore, it is not considered a prophylactic intervention for immobility-related complications.
Choice C reason: Inserting a urinary catheter is not a prophylactic intervention for preventing complications of immobility. Catheters are used to manage urinary retention or incontinence but can increase the risk of urinary tract infections (UTIs) if not managed properly. They do not address the primary complications associated with immobility, such as DVT or pressure ulcers.
Choice D reason: Using friction-reducing devices is important for preventing pressure ulcers and skin injuries in immobile patients. These devices help minimize friction and shear forces on the skin, which can lead to pressure ulcers. While this is a valuable intervention, it is not as comprehensive as compression stockings in preventing a range of immobility-related complications.
Correct Answer is C
Explanation
Choice A Reason:
Place suction equipment at the bedside is incorrect. While having suction equipment available is important for emergency situations, it does not directly prevent postoperative pulmonary complications. Suction equipment is used to clear the airway if the client has difficulty breathing or if there is an obstruction.
Choice B Reason:
Administer a prophylactic expectorant is incorrect. Prophylactic expectorants can help in managing secretions, but they are not the primary intervention for preventing postoperative pulmonary complications. The main goal is to promote lung expansion and prevent atelectasis.
Choice C Reason:
Encourage the use of an incentive spirometer is correct. Using an incentive spirometer encourages deep breathing and lung expansion, which helps prevent atelectasis and other postoperative pulmonary complications. It is a key intervention in postoperative care to maintain optimal lung function.
Choice D Reason:
Perform range of motion exercises is incorrect. While range of motion exercises are important for preventing musculoskeletal complications and promoting circulation, they do not directly prevent pulmonary complications. The focus for pulmonary health is on lung expansion and clearing secretions.
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