1|Page
BIOL 235 FINAL EXAM AND PRACTICE EXAM 120
QUESTIONS AND CORRECT DETAILED ANSWERS||
VERIFIED EXAM!!|| (VERIFIED ANSWERS) |ALREADY
GRADED A+||NEWEST UPDATE!!!
Why do emotions such as anger or fear slow digestion?
A) because they stimulate the parasympathetic nerves
supplying the GI tract
B) because they stimulate the somatic nerves that supply
the GI tract
C) because they stimulate the sympathetic nerves that
supply the GI tract
D) they do not affect digestion
E) because all emotions are controlled by the vagus nerve
- ANSWER-C
The hard palate...(1) is the anterior portion of the roof of
the mouth, (2) is formed by the maxillae and palatine
bones, and (3) is covered by a mucous membrane.
A) 2 only
B) 1 only
C) 3 only
D) both 1 and 2
E) all of these choices - ANSWER-E
,2|Page
The pharynx...
A) is composed of smooth muscle
B) serves the respiratory, but not digestive system
C) is lined with a serous membrane
D) extends from the internal nares to the esophagus
E) all of these are correct - ANSWER-D
Deglutition...
A) occurs in voluntary, pharyngeal, and esophageal
stages
B) involves the mouth, pharynx, and esophagus
C) is controlled directly by the medulla oblongata and the
hypothalamus
D) A and B are correct
E) A, B, and C are correct - ANSWER-D
What does the line G point to?
A) pylorus
B) pyloric sphincter
C) rugae
D) pyloric antrum
E) greater curvature - ANSWER-D
,3|Page
Intrinsic factor secreted by parietal cells of the stomach is
required for...
A) buffering of HCl
B) stimulation of missing waves
C) activation of pepsin
D) complete gastric emptying
E) absorption of vitamin B12 - ANSWER-E
The sodium bicarbonate in pancreatic juice elevates the
pH of chyme, which in turn...
A) blocks the action of pepsin
B) creates favorable conditions for the actions of intestinal
enzymes
C) stimulates the secretion of secretin
D) A and B are correct
E) A, B and C are correct - ANSWER-D
Which of the following is NOT a function of the liver?
A) conversion of carbohydrates
B) protein metabolism
C) storage of bilirubin
, 4|Page
D) phagocytosis
E) storage of vitamins - ANSWER-C
Which of the following small intestine cells secrete
lysozymes?
A) goblet cells
B) absorptive cells
C) mucosa cells
D) paneth cells
E) S cells - ANSWER-D
Which substrate is correctly matched to the brush border
enzymes that digest it?
A) carbohydrate: a-dextrinase, maltase, lactase, sucrase
B) protein: aminopeptidase, dipeptidase
C) nucleotide: nucelosidases, phosphatases
D) A and B are correct
E) A, B, and C are correct - ANSWER-A
Functions of the large intestine include
A) production of certain vitamins
B) haustral churing
BIOL 235 FINAL EXAM AND PRACTICE EXAM 120
QUESTIONS AND CORRECT DETAILED ANSWERS||
VERIFIED EXAM!!|| (VERIFIED ANSWERS) |ALREADY
GRADED A+||NEWEST UPDATE!!!
Why do emotions such as anger or fear slow digestion?
A) because they stimulate the parasympathetic nerves
supplying the GI tract
B) because they stimulate the somatic nerves that supply
the GI tract
C) because they stimulate the sympathetic nerves that
supply the GI tract
D) they do not affect digestion
E) because all emotions are controlled by the vagus nerve
- ANSWER-C
The hard palate...(1) is the anterior portion of the roof of
the mouth, (2) is formed by the maxillae and palatine
bones, and (3) is covered by a mucous membrane.
A) 2 only
B) 1 only
C) 3 only
D) both 1 and 2
E) all of these choices - ANSWER-E
,2|Page
The pharynx...
A) is composed of smooth muscle
B) serves the respiratory, but not digestive system
C) is lined with a serous membrane
D) extends from the internal nares to the esophagus
E) all of these are correct - ANSWER-D
Deglutition...
A) occurs in voluntary, pharyngeal, and esophageal
stages
B) involves the mouth, pharynx, and esophagus
C) is controlled directly by the medulla oblongata and the
hypothalamus
D) A and B are correct
E) A, B, and C are correct - ANSWER-D
What does the line G point to?
A) pylorus
B) pyloric sphincter
C) rugae
D) pyloric antrum
E) greater curvature - ANSWER-D
,3|Page
Intrinsic factor secreted by parietal cells of the stomach is
required for...
A) buffering of HCl
B) stimulation of missing waves
C) activation of pepsin
D) complete gastric emptying
E) absorption of vitamin B12 - ANSWER-E
The sodium bicarbonate in pancreatic juice elevates the
pH of chyme, which in turn...
A) blocks the action of pepsin
B) creates favorable conditions for the actions of intestinal
enzymes
C) stimulates the secretion of secretin
D) A and B are correct
E) A, B and C are correct - ANSWER-D
Which of the following is NOT a function of the liver?
A) conversion of carbohydrates
B) protein metabolism
C) storage of bilirubin
, 4|Page
D) phagocytosis
E) storage of vitamins - ANSWER-C
Which of the following small intestine cells secrete
lysozymes?
A) goblet cells
B) absorptive cells
C) mucosa cells
D) paneth cells
E) S cells - ANSWER-D
Which substrate is correctly matched to the brush border
enzymes that digest it?
A) carbohydrate: a-dextrinase, maltase, lactase, sucrase
B) protein: aminopeptidase, dipeptidase
C) nucleotide: nucelosidases, phosphatases
D) A and B are correct
E) A, B, and C are correct - ANSWER-A
Functions of the large intestine include
A) production of certain vitamins
B) haustral churing
