Which of the following is an accessory organ of the digestive system?
stomach
pharynx
esophagus
pancreas
The Correct Answer is D
A. stomach: the stomach is an organ of the alimentary canal (not an accessory organ).
B. pharynx: the pharynx is part of the alimentary canal (passageway), not an accessory organ.
C. esophagus: the esophagus is part of the alimentary canal (conduit), not accessory.
D. pancreas: the pancreas is an accessory organ (secretes digestive enzymes and bicarbonate into the duodenum).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"B"}
Explanation
Correct answer: Small intestine
The small intestine appears as multiple long, coiled loops in the central abdomen (jejunum/ileum) and is the principal site for nutrient absorption - the coiled tubular structures circled are characteristic of the small intestine.
Correct Answer is B
Explanation
A. In the mouth: little to no chemical digestion of nucleic acids occurs in the mouth.
B. In the small intestine: pancreatic nucleases (DNase, RNase) and brush-border enzymes in the small intestine chemically digest nucleic acids into nucleotides and bases.
C. In the large intestine: the large intestine is primarily for water absorption and microbial fermentation, not major nucleic acid digestion.
D. In the stomach: the stomach mainly digests proteins (pepsin) and does not significantly chemically digest nucleic acids.
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