Which intervention is most effective in restoring healthy gut flora after antibiotic treatment has caused diarrhea?
Increase hydration
Doxycycline
Lactobacillus acidophilus
Psyllium Husk
The Correct Answer is C
Rationale:
A. Increasing hydration is important for preventing dehydration but does not restore gut flora.
B. Doxycycline is an antibiotic and would worsen disruption of gut microbiota.
C. Lactobacillus acidophilus (a probiotic) helps restore normal intestinal flora balance after antibiotic-associated diarrhea.
D. Psyllium husk is a fiber supplement that aids in bowel regularity but does not restore microbial balance.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale:
A. Extreme thirst is associated with hypernatremia, not hypokalemia.
B. Hypokalemia typically causes hyporeflexia, not hyperactive reflexes.
C. Weak, irregular pulse is expected with hypokalemia because low potassium affects cardiac conduction and muscle contractility, increasing the risk of dysrhythmias.
D. Hypokalemia usually causes hypoactive bowel sounds due to decreased smooth muscle activity.
Correct Answer is B
Explanation
Rationale:
A. Lactulose is usually administered orally to soften stools, not as a short-retention enema.
B. A Fleet enema is a hypertonic solution that draws fluid into the colon, is retained briefly, and promotes rapid evacuation of stool to relieve constipation.
C. Tap water enemas are hypotonic and typically require immediate expulsion, not short retention.
D. Mineral oil enemas are retention enemas, meant to soften stool over a longer period, not for rapid evacuation.
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