A nurse is preparing to administer diphenhydramine 30 mg IM stat to a client who is having an allergic reaction. Available is diphenhydramine 50 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.6"]
To calculate the dosage of diphenhydramine, the nurse needs to use the formula D/H x Q
= X, where D is the desired dose, H is the on-hand dose, Q is the quantity of the on-hand dose, and X is the amount to administer. In this case, D is 30 mg, H is 50 mg/mL, and Q is 1 mL. Plugging these values into the formula, we get:
30/50 x 1 = 0.6
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. The use of an incentive spirometer is more relevant for preventing respiratory complications, not related to the client's low WBC count.
B. Negative-pressure airflow rooms are typically used for clients with airborne infections, not those with low WBC counts.
C. Cooked fruits may be advisable to reduce the risk of bacterial contamination in immunosuppressed clients, but it does not directly address the low WBC count.
D. Reporting temperatures greater than 39.5°C (102.3°F) lasting more than 4 hours is crucial as it may indicate an infection, and prompt intervention is needed in immunosuppressed clients.
Correct Answer is C
Explanation
A. Seeking a second opinion suggests the client may be exploring different treatment options, indicating some level of hope for improvement.
B. Expressing plans to stop treatment may indicate frustration or dissatisfaction but does not necessarily reflect acceptance of the prognosis.
C. Expressing a desire for symptom relief (in this case, discomfort) is indicative of an understanding and acceptance of palliative care.
D. Stating that the treatment is making the client stronger every day may reflect a positive attitude but does not necessarily indicate acceptance of the prognosis.
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