Understanding of digestive system


Q1. _____________ is related with food stretching the stomach and activating myenteric and vagovagal reflexes that in turn stimulate the gastric secretions.

A. The cephalic stage
B. The gastric stage
C. The intestinal stage
D. The gastrointestinal stage
E. The mesenteric stage

Q2. ____________ transport lipids to the surface of intestinal absorptive cells that process them to _____________.

A. Fat droplets; micelles
B. Fat droplets; chylomicrons
C. Micelles; fat globules
D. Micelles; chylomicrons
E. Fat globules; micelles

Q3. These nutrients are all absorbed devoid of being digested except:

A. Water.
B. Vitamins.
C. Proteins.
D. Minerals.
E. Cholesterol.

Q4. Absorption of numerous nutrients begins in the stomach.

A. True
B. False

Q5. Most of the fat is digested through pancreatic lipase.

A. True
B. False

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Biology: Understanding of digestive system
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