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.)
The Correct Answer is ["3"]
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is C
Explanation
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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