Straighterline Anatomy and Physiology 2 BIO202
Topic 7: Digestive System Quiz 2023
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BIO202_MH_V3
Topic 7: Digestive System
Started on Saturday, June 10, 2023, 1:50 PM
State Finished
Completed on Saturday, June 10, 2023, 2:23 PM
Time taken 33 mins 18 secs
Grade 38.00 out of 40.00 (95%)
Question 1
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Segmental contractions are mixing contractions that occur predominantly in the
_________________.
Select one:
a. oral cavityb. large intestine
c. esophagus
d. stomach
e. small intestine
Question 2
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In order to remove a tumor in the muscular tunic of the stomach, a surgeon must cut through the
Select one:
a. lamina propria.
b. submucosa.
c. serosa.
d. mucosa.
e. lamina propria.
Question 3
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The hepatic lobule is a _____ -sided structure with a(n) _____ triad at each corner and a central vein
located in the center of each lobule.
Select one:
a. 6; portal
b. 5; portal
c. 6; venous
d. 5; arterial
e. 6; arterialQuestion 4
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Bile secretion is
Select one:
a. performed continuously by the liver.
b. is stimulated by sympathetic nerves.
c. is stimulated by secretin
d. stimulated by increased vitamin B12 storage.
e. controlled by the gallbladder.
Question 5
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The gallbladder
Select one:
a. produces bile.
b. is attached to the pancreas.
c. stores bile.
d. produces secretin.
e. breaks down red blood cells.
Question 6
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Which of the following does NOT illustrate digestion?
Select one:
a. polysaccharides → disaccharides
b. fat → fatty acids and glycerol
c. CO2 and H2O→carbohydrates
d. protein → amino acids
e. disaccharides → monosaccharides
Question 7
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Fatty acids and certain lipids in the duodenum initiate the release of
Select one:
a. secretin and gastrin.
b. cholecystokinin (CCK).
c. gastrin and histamine.
d. somatostatin and CCK.
e. insulin and glucagon.
Question 8
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EmulsificationSelect one:
a. converts small lipid droplets into larger droplets.
b. occurs in the gallbladder.
c. chemically digests lipids.
d. increases surface area for lipid digestion.
e. involves enzymes.
Question 9
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Which of the following statements concerning cholecystokinin is correct?
Select one:
a. Cholecystokinin stimulates relaxation of the gallbladder.
b. Cholecystokinin stimulates secretion of mucus by the gastric glands.
c. Cholecystokinin stimulates the pancreas to release an enzyme-rich solution.
d. Cholecystokinin stimulates the intestine to secrete trypsin.
e. Cholecystokinin stimulates gastric secretions.
Question 10
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The _____________ phase of gastric regulation is initiated when acidic chyme enters the duodenum
and stimulates the secretion of hormones and local reflexes that inhibit gastric activity.
Select one:
a. gastrointestinal
b. cephalic
c. laryngo-pharyngeald. voluntary
Question 11
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Arrange the following in order from largest to smallest:
(1) dipeptide
(2) protein
(3) amino acid
(4) polypeptide
Select one:
a. 3, 1, 4, 2
b. 4, 1, 2, 3
c. 2, 4, 1, 3
d. 1, 2, 3, 4
e. 2, 4, 3, 1
Question 12
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Which of the following statements regarding swallowing is true?
Select one:
a. The voluntary phase begins in the pharynx.
b. In the pharyngeal phase, food is moved through the pharynx.
c. The uvula rises during the esophageal phase.
d. Peristalsis occurs in all phases of swallowing.
e. Breathing occurs during swallowing.
Question 13Correct
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The ____ helps hold a tooth in its socket.
Select one:
a. crown
b. cementum
c. periodontal ligament
d. dental arch
e. alveoli
Question 14
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The salivary glands that open into the oral cavity beside the frenulum of the tongue are the
Select one:
a. parotid glands.
b. sublingual glands.
c. submandibular glands.
d. labial glands.
e. lacrimal glands.
Question 15
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The tongue
Select one:
a. secretes saliva.
b. plays a major role in swallowing.
c. contains a lot of connective and lymphatic tissues.
d. is attached to the hard palate.
e. functions in deglutition apnea.
Question 16
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What muscle forms the lips?
Select one:
a. buccinator muscle
b. orbicularis oculi muscle
c. orbicularis oris muscle
d. labial frenulum muscle
Question 17
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What is ascites?
Select one:
a. The excess accumulation of fluid in the abdomen
b. The increased absorption of water from the chime in the colon
c. The increased secretion of digestive enzymes due to nervous stimulationd. The rapid elimination of feces due to toxin production
Question 18
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Inflammation of the stomach mucosa in the area superior to the pyloric sphincter is most
appropriately referred to as
Select one:
a. esophagitis.
b. a duodenal ulcer.
c. a hiatal hernia.
d. gastric ulcer.
e. indigestion.
Question 19
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Gastritis, peptic ulcers and gastric cancer can all be caused by
Select one:
a. Helicobacter pylori, a bacterium.
b. increased secretion of gastric bicarbonate.
c. pH of the stomach contents continuously greater than 4.
d. increased mucus production by the neck cells.
e. None of these choices is correct.
Question 20
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Which of the following are effects of aging on the digestive system?
Select one:
a. blood supply decreases
b. more likely to develop ulcerations and cancers
c. enamel on teeth becomes thinner
d. blood supply decreases and more likely to develop ulcerations and cancers.
e. blood supply decreases, more likely to develop ulcerations and cancers and enamel on teeth
becomes thinner. [Show Less]