A nurse is preparing to administer diphenhydramine 25 mg PO every 6 hr. to an older adult client who has rhinitis. The amount available is diphenhydramine syrup 12.5 mg/5 mile How many ml 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 ["10"]
Given:
Diphenhydramine syrup: 12.5 mg/5 MLX
Required dose: 25 mg
First, determine the ratio of the available dosage strength to the required dose:
12.5 mg (available dose) / 5 mL (volume) = 25 mg (required dose) / X mL
Cross-multiply to find X (the amount of syrup needed):
12.5 mg X mL = 25 mg 5 mL
Now, solve for X:
X = (25 mg 5 mL) / 12.5 mg
X = 125 / 12.5
X = 10
Therefore, the nurse should administer 10 mL of diphenhydramine syrup to provide a dose of 25 mg to the older adult client with rhinitis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason:
Temperature 37.3°C (99.1°F) is incorrect . While a slightly elevated temperature can sometimes accompany an infection, it's not specific to a bladder infection and might not be present in all cases.
Choice B Reason:
Changed mental status is incorrect. Bladder infections or urinary tract infections (UTIs) in older adults can often present with atypical symptoms, and changes in mental status or acute confusion are common indicators in this population. UTIs can cause subtle but significant alterations in mental function, particularly in the elderly, leading to confusion, agitation, or cognitive impairment.
Choice C Reason:
WBC count 9,000/mm3 (5000 to 10,000/mm3) is incorrect .A WBC count within the normal range doesn't necessarily rule out or confirm a bladder infection. In some cases, UTIs might not significantly elevate the white blood cell count, especially in localized infections.
Choice D Reason:
Diminished reflexes is incorrect . Diminished reflexes are not typically associated with a bladder infection. They might indicate other neurological or muscular issues but are not a common sign of a UTI.
Correct Answer is A
Explanation
Choice A Reason:
The client's fingers are cool to the touch is correct. Coolness of the fingers within a short time after a cast application can indicate compromised circulation or potential compartment syndrome, which requires urgent attention to prevent tissue damage or loss of function. It suggests impaired blood flow to the fingers, which is a serious concern requiring immediate evaluation by the provider.
Choice B Reason:
The client reports severe itching under the cast is incorrect. While itching can be uncomfortable, it might not pose an immediate threat. Itching can commonly occur as the skin heals and can be managed through non-invasive means.
Choice C Reason:
The client's capillary refill is 3 seconds is incorrect. A capillary refill of 3 seconds is slightly prolonged but doesn't typically indicates an immediate emergency. However, if this finding worsens or if combined with other concerning symptoms, it might warrant further assessment.
Choice D Reason:
The client reports increased pain at the area of the fracture is incorrect. Increased pain after a cast application can be expected initially, especially within 2 hours of the procedure. However, persistent or severe pain could indicate issues like poor alignment, swelling, or other complications. While it's important to address pain, it might not require immediate reporting unless accompanied by other concerning symptoms.
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