Which of the following best describes the chewing of food?
Absorption
Peristalsis
Regulation
Mechanical digestion
The Correct Answer is D
A. Absorption: Absorption refers to nutrients being taken into the bloodstream, mainly in the intestines.
B. Peristalsis: Peristalsis is the muscular movement of food through the digestive tract, not chewing.
C. Regulation: Regulation refers to control mechanisms in digestion but not to the act of chewing.
D. Mechanical digestion: Chewing breaks food into smaller pieces, which is mechanical digestion and prepares food for chemical digestion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Stomach: The esophagus carries food from the pharynx and empties it into the stomach via the lower esophageal sphincter.
B. Cecum: The cecum is part of the large intestine and is much further along in the digestive tract.
C. Common bile duct: This duct transports bile, not food. It is not directly connected to the esophagus.
D. Duodenum: The duodenum is the first part of the small intestine, which comes after the stomach, not directly after the esophagus.
Correct Answer is A
Explanation
A. Colon: The sigmoid colon is the S-shaped terminal portion of the large intestine, connecting to the rectum.
B. Esophagus: The esophagus is part of the upper digestive tract, not the colon.
C. Small intestine: The sigmoid colon is not a part of the small intestine.
D. Stomach: The stomach is part of the upper GI tract and does not include the sigmoid colon.
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