Which statement is true about primary teeth?
A) There are 20 primary teeth.
B) There are 24 primary teeth.
C) There are 27 primary teeth.
D) There are 32 primary teeth.
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Question 2) What fontanel is present at birth and is between the frontal and parietal bones where the frontal, coronal, and sagittal sutures intersect?
A) mastoid
B) posterior
C) sphenoidal
D) anterior
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Question 3) The blood vessels in the alimentary canal that nourish the epithelium and absorb digested nutrients lie in the ________.
A) lamina propria
B) muscularis mucosae
C) serosa
D) adventitia
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Question 4) The stomach stores and mechanically breaks down food. In addition, the stomach also ________.
A) initiates protein digestion
B) is the first site where absorption takes place
C) is the place where fats are digested
D) is the first site where chemical digestion of starch takes place
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Question 5) How many major fontanels are present at birth?
A) three
B) four
C) five
D) six
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Question 6) Which two types of secretory cells make up the salivary glands?
A) cuboidal epithelial cells and ciliated columnar cells
B) goblet cells and squamous epithelial cells
C) parietal cells and glial cells
D) serous cells and mucous cells
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Question 7) Paranasal sinuses are found in which of the following facial bones?
A) maxillary
B) nasal conchae
C) zygomatic
D) vomer
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Question 8) Which of the following is a characteristic of the paranasal sinuses?
A) None of the listed responses is correct.
B) They open into the oral cavity.
C) They are found in the maxillary, ethmoid, and lacrimal bones.
D) They lighten the skull.
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Question 9) The small intestine is specialized for absorption. The absorptive effectiveness is enhanced by increasing the surface area of the intestinal wall. Which of the following accomplish this task?
A) plicae circulares and intestinal villi
B) digestive enzymes
C) intestinal glands
D) the rugae
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Question 10) The hyoid bone is unique because ________.
A) None of the listed responses is correct.
B) it is shaped like a plow
C) it is covered with mucosa
D) it does not articulate with any other bones
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