A&P2 test 3 Questions with Answers (100% Correct
Answers)
Which of these statements about water balance in the digestive system is true?
a. About 7000 ml/day enter by secretion.
b. About 150-200 ml/day are lost in the feces.
c. About 2000 ml/day enter by mouth.
d. All of these statements are true.
Ans✅ ✅: D. All of these statements are true.
During digestion of triglycerides, fatty acids enter the intestinal mucosa by
diffusion; then, they are resynthesized into triglycerides. Which of the following
statements correctly describes what happens next?
A. The triglycerides are secreted back into the lumen of the small intestine and then
chemically digested into their subunits of fatty acids and glycerol
B. The triglycerides are secreted into the interstitial fluid, where they then diffuse
into the capillaries.
c. The triglycerides are coated with proteins and then secreted into the interstitial
fluid, where they diffuse into intestinal lacteals.
D. The triglycerides are absorbed directly from the intestinal cell into a capillary.
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Ans✅ ✅: C. The triglycerides are coated with proteins and then secreted into the
interstitial fluid, where they diffuse into intestinal lacteals.
Which of the following answers correctly lists the phases of the swallowing process
before the bolus enters the stomach?
pharyngeal buccal esophageal
buccal pharyngeal esophageal
buccal esophageal pharyngeal
esophageal pharyngeal buccal
Ans✅ ✅: buccal pharyngeal esophageal
Cells that are rapidly undergoing mitosis constantly repair and renew the lining of
the pharynx and the esophagus, which is particularly vulnerable to abrasion
associated with swallowing. Which of the following terms best describes this lining?
muscularis externa
mucosa
submuco
saserosa
Ans✅ ✅: mucosa
What chemical is found in the fluid that flows through the indicated duct?
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salivary amylase
pepsin
trypsinogen
bile pigment
Ans✅ ✅: trypsinogen
Which of these is/are NOT (an) accessory organ(s) of digestion?
tonsils
gall bladder
salivary glands
liver
Ans✅ ✅: tonsils
Which of the following is true concerning the blood vessels labeled A and B in the
image?
Blood moves from vessel B toward vessel A.
Blood in A has a higher concentration of glucose than blood in B when digestion is
occurring.
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Blood flows outward from vessel A to vessel B.
Bile enters the blood at vessel B.
Ans✅ ✅: Blood moves from vessel B toward vessel A.
The cells in the gastric mucosa near the openings of the gastric pits largely
specialize in secreting __________.
pepsinogen
intrinsic factor
mucus
hydrochloric acid
Ans✅ ✅: mucus
The epithelium lining the stomach, small intestine, and most of the large intestine is
simple columnar; the epithelium in the oral cavity, esophagus, and pharynx is
stratified squamous. Are these two statements true or false?
Both statements are true.
The first statement is false; the second is true.
Both statements are false.
The first statement is true; the second is false.
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