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 B
Explanation
Rationale:
A. Epigastrium refers to the upper central region of the abdomen, just below the sternum; Cullen’s sign does not appear here.
B. Umbilical region (around the navel) is where Cullen’s sign appears as a bluish discoloration due to subcutaneous fat necrosis or retroperitoneal bleeding associated with acute pancreatitis. This is the correct site.
C. Flank discoloration is known as Grey Turner’s sign, another indicator of retroperitoneal bleeding, but distinct from Cullen’s sign.
D. Subumbilical refers to the area below the umbilicus, not the typical site for Cullen’s sign.
Correct Answer is D
Explanation
Rationale:
A. Percutaneous Transhepatic Cholangiography (PTC) involves inserting a needle through the skin into the liver to visualize bile ducts, not using endoscopy.
B. Endoscopic Ultrasound (EUS) uses an endoscope with ultrasound to image structures near the GI tract but does not combine with radiographic imaging of the ducts.
C. Magnetic Resonance Cholangiopancreatography (MRCP) uses MRI to noninvasively visualize bile and pancreatic ducts, without endoscopy.
D. Endoscopic Retrograde Cholangiopancreatography (ERCP) combines endoscopy with radiographic imaging to examine the bile and pancreatic ducts, allowing both diagnosis and therapeutic interventions.
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