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Which of the following are major organs of the alimentary canal/GI tract? (Select all that apply)

A.

Liver

B.

Esophagus

C.

Rectum

D.

Gallbladder

E.

Pharynx

F.

Small intestine

Answer and Explanation

Correct Answer : B,C,E,F

A. Liver:  Accessory digestive organ (produces bile) but not part of the canal.

B. Esophagus: Muscular tube conveying food to the stomach.

C. Rectum: Terminal segment of the large intestine within the canal.

D. Gallbladder:  Accessory organ that stores bile.

E. Pharynx: Shared passage that moves food/fluids to the esophagus (and air to the larynx).

F. Small intestine: Major segment of the canal for digestion and absorption.


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Related Questions

Correct Answer is B

Explanation

A. Dyspnea: Dyspnea means difficult or labored breathing (shortness of breath), not normal resting breathing.
B. Eupnea: Eupnea refers to normal, unlabored breathing at rest.
C. Apnea: Apnea means a temporary absence of breathing (no breathing), not normal respiration.
D. Hyperpnea: Hyperpnea means increased depth and/or rate of breathing (e.g., during exercise), not the normal resting pattern.

Correct Answer is ["B","C","D","E"]

Explanation

A. Pepsin:Pepsin is an active protease produced in the stomach (from pepsinogen) -not a pancreatic secretion.
B. Sodium bicarbonate:The pancreas secretes bicarbonate-rich fluid to neutralize acidic chyme in the duodenum -pancreatic secretion .
C. Amylase: Pancreatic amylase digests starches into sugars in the small intestine -pancreatic secretion .
D. Nuclease:The pancreas secretes nucleases (e.g., deoxyribonuclease, ribonuclease) to digest nucleic acids -pancreatic secretion .
E. Lipase:Pancreatic lipase hydrolyzes triglycerides into free fatty acids and monoglycerides -pancreatic secretion .
F. Pepsinogen:Pepsinogen is secreted by chief cells in the stomach, not by the pancreas -not a pancreatic secretion.

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