A&P II Exam #3 Questions with 100% Verified Correct Answers 2024/2025
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A&P II Exam #3 Questions with 100% Verified Correct Answers 2024/2025
The alimentary canal extends, in its entirety, from
A. the mouth to the large intestine.
B. the stomach to the small intestine.
C. the liver to the gallbladder. D. the mouth to the anus - Correct Answer D
The digestive ...
the correct sequence for the layers in the walls o
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A&P II Exam #3 Questions with 100% Verified
Correct Answers 2024/2025
The alimentary canal extends, in its entirety, from
A. the mouth to the large intestine.
B. the stomach to the small intestine.
C. the liver to the gallbladder. D. the mouth to the anus - Correct Answer D
The digestive system
A. ingests food, propels food, mechanically and chemically breaks down food, absorbs nutrients, and
defecates the remainder.
B. mechanically and chemically assembles food from absorbed nutrients.
C. sends cellular debris to lysosomes.
D. absorbs nutrients in the mouth, pharynx, esophagus and stomach, and releases nutrients in the
intestines. - Correct Answer A
The correct sequence for the layers in the walls of the alimentary canal from innermost to outermost
is the
A. mucosa, muscular layer, serosa, submucosa.
B. mucosa, submucosa, muscular layer, serosa.
C. serosa, muscular layer, mucosa, submucosa. D. submucosa, mucosa, serosa, muscular layer. -
Correct Answer B
The _______ is the layer of the alimentary canal that absorbs nutrients.
A. mucosa
B. submucosa
C. muscular layer
D. serosa - Correct Answer A
Peristalsis occurs in the digestive tract
A. from the pharynx to the anus. B. in the stomach and small intestine only.
C. in the small and large intestines only.
D. in the stomach, small intestine, and large intestine. - Correct Answer A
,Activities of the digestive system generally increase when it is stimulated by A. sympathetic impulses.
B. parasympathetic impulses. C. sensory impulses.
D. somatic impulses. - Correct Answer B
The teeth that are best adapted for biting off hunks of food are the
A. incisors.
B. canines.
C. bicuspids.
D. molars. - Correct Answer A
The root canal of a tooth contains
A. dentin.
B. cementum.
C. gingiva.
D. blood vessels and nerves. - Correct Answer D
The mechanical breakup of food particles in the mouth is called
A. mastication.
B. salivation.
C. peristalsis.
D. absorption. - Correct Answer A
The uvula is
A. a type of tooth.
B. a projection from the soft palate.
C. a flap of tissue that keeps food from entering the trachea. D. part of the tongue. - Correct Answer
B
Because of their location, swollen palatine tonsils may interfere with
A. breathing.
B. swallowing.
, C. both breathing and swallowing.
D. neither breathing nor swallowing. - Correct Answer C
Salivary amylase digests A. carbohydrates.
B. proteins.
C. fats.
D. vitamins. - Correct Answer A
The functions of saliva include A.
moistening, binding, and building up food particles; beginning chemical digestion of carbohydrates;
and cleansing the esophagus.
B.
moistening, binding, and dissolving food particles; beginning chemical digestion of proteins; and
cleansing the esophagus.
C.
moistening, binding, and building up food particles; beginning mechanical digestion of fats; and
cleansing the teeth and mouth.
D.
moistening, binding, and dissolving food particles; beginning chemical digestion of carbohydrates;
and cleansing the teeth and mouth. - Correct Answer D
. The parotid glands are
A. the largest salivary glands. B. the smallest salivary glands. C. under the tongue.
D. in the lower jaw. - Correct Answer A
In the swallowing reflex,
A. muscles pull the pharynx upward toward the food.
B. the epiglottis closes off the top of the trachea.
C. the tongue presses against the uvula and soft palate.
D. all of the above. - Correct Answer D
The epiglottis is attached to the A. esophagus.
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