The most widely accepted empiric treatment for Bell's palsy is:
a nonsteroidal anti-inflammatory drug (NSAID).
a third-generation cephalosporin.
gabapentin (Neurontin).
prednisone.
The Correct Answer is D
Rationale:
A. NSAIDs may help with pain but do not treat the underlying inflammation of the facial nerve in Bell’s palsy.
B. Third-generation cephalosporins are antibiotics and are not indicated unless there is a concurrent bacterial infection.
C. Gabapentin is used for neuropathic pain but is not first-line therapy for Bell’s palsy.
D. Prednisone, a corticosteroid, is the most widely accepted empiric treatment for Bell’s palsy. It reduces inflammation and edema of the facial nerve, improving the likelihood of recovery, especially when started early.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rationale:
A. A throat culture identifies current streptococcal infection but does not confirm a recent infection that may have triggered glomerulonephritis.
B. An antistreptolysin O (ASO) titer measures antibodies produced in response to a recent group A Streptococcus infection, making it the most reliable test for linking acute glomerulonephritis to a prior streptococcal infection.
C. Erythrocyte sedimentation rate (ESR) is a nonspecific marker of inflammation and cannot confirm recent streptococcal infection.
D. Blood urea nitrogen (BUN), creatinine, and glomerular filtration rate (GFR) assess kidney function but do not indicate the causative pathogen.
Correct Answer is B
Explanation
Rationale:
A. Hourly urine output helps monitor ongoing fluid status but is not the primary factor for calculating initial fluid replacement.
B. The percentage of weight loss is the most important factor for determining the degree of dehydration and the corresponding rate of fluid replacement. It provides an objective measure of fluid deficit and guides accurate rehydration.
C. Clinical signs of dehydration (e.g., dry mucous membranes, poor skin turgor) are useful for assessment but are less precise than weight loss for calculating fluid needs.
D. The type of dehydration based on serum sodium concentrations influences the composition of fluids (isotonic, hypotonic, hypertonic) rather than the overall rate of replacement.
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