A client receives a prescription for diphenhydramine 12.5 mg PO for rhinitis. The medication is available in 25 mg scored tablets. How many tablets should the practical nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth).
The Correct Answer is ["0.5"]
Prescribed dose = 12.5 mg
Available dose = 25 mg per tablet
Calculate the number of tablets to administer.
Tablets = (Prescribed dose (mg) / Available dose (mg))
= (12.5 mg / 25 mg)
= 0.5 tablet.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Oxygen saturation: Assessing oxygen saturation provides information about respiratory and circulatory efficiency, but dizziness upon standing is more often linked to hemodynamic changes rather than oxygenation issues.
B. Standing blood pressure: Measuring standing blood pressure is most important to assess for orthostatic hypotension, a common cause of dizziness in older adults. A significant drop in blood pressure upon standing indicates impaired vascular response, which increases the risk of falls and injury.
C. Pulse deficit: Evaluating for a pulse deficit helps detect cardiac arrhythmias, but it is not the most relevant initial assessment for postural dizziness. Orthostatic blood pressure changes should be ruled out before exploring other cardiovascular causes.
D. Apical heart rate: While assessing the apical rate can detect irregularities in rhythm, it does not explain dizziness triggered by position changes. Postural blood pressure measurement provides more specific information about the cause of dizziness in this scenario.
Correct Answer is B
Explanation
A. Notify the nurse if the nasogastric tube suction is not working correctly: Assessing and troubleshooting suction equipment is a nursing responsibility. The UAP should not be expected to determine suction function or make related judgments.
B. Report any change observed in the appearance of the nasogastric drainage: The UAP can safely observe and report objective changes, such as color, amount, or consistency of drainage, which helps the nurse evaluate the client’s condition.
C. Clamp the nasogastric tube before giving the client any fluids by mouth: Clamping or manipulating the NG tube involves clinical judgment about the client’s readiness for oral intake and tube function, which is beyond the UAP’s role.
D. Irrigate the nasogastric tube with normal saline if the tube becomes obstructed: Irrigation requires sterile technique and assessment of tube patency, which must be performed by a nurse, not delegated to a UAP.
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