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Bio 252 Exam 3 Review with complete verified solutions 2025
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Bio 252 Exam 3 Review with complete verified solutions 2025
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Bio 252 Exam 3 Review with completeverified solutions 2025
The _________ phase of gastric secretion is stimulated by food-related
sensory input (smell, sight, taste, etc)
A) Celiac
B) Gastric
C) Cephalic
D) Intestinal
E) Pancreatic - answer C) Cephalic
Which of the following stimulates parietal cells to increase HCl
production?
A) Pepsin
B) Gastrin
C) Intestinal gastrin
D) All of these
E) B and C only - answer E) B and C only
On which of the following structures would you find brush border
enzymes?
A) Gastric rugae
B) Circular folds
C) Villi
D) Microvilli
E) None of the above - answer D) Microvilli
Absorption (at least some) occurs in all of the following except
, A) Mouth
B) Stomach
C) Duodenum
D) Ileum
E) Large intestine - answer A) Mouth
In the porta hepatis, the _________ supplies the liver with _________
A) Hepatic vein; oxygen-poor venous blood
B) Hepatic artery; oxygen-rich blood
C) Hepatic portal vein; nutrient-rich blood from GI tract
D) All of the above
E) B and C only - answer E) B and C only
This component of bile allows it to emulsify fats:
A) Bile salts
B) pH
C) Bilirubin
D) Triglycerides
E) It's yellow-green color - answer B) pH
Emulsification, mastication, and segmentation are all examples of
what digestive process?
A) Ingestion
B) Mechanical digestion
C) Chemical digestion
D) Propulsion
E) Absorption - answer B) Mechanical digestion
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