Xerostomia is the scientific name for "dry mouth." Dry mouth can be a medical concern because chronic dry mouth can lead to dental problems as well as problems tasting, chewing, and swallowing. Dry mouth is likely due to an inadequate production of

A) saliva.
B) chyme.
C) amylase.
D) bile.


Answer: A

Biology & Microbiology

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Most archaeal cell walls consist of ____; most bacterial cell walls consist of a polymer of peptides and polysaccharides

a. lipids b. proteins c. phospholipids d. glycoproteins e. glycolipids

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What is not a function of parathyroid hormone?

A. It increases reabsorption of Ca2+ in the kidney. B. It increases calcium absorption across the intestine. C. It increases calcium production in the liver. D. It stimulates osteoclasts to dissolve calcium phosphate crystals in bone.

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A relationship in which one organism is found on the surface of another is referred to as a(n) ________.

Fill in the blank(s) with the appropriate word(s).

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Which of these images represents the position of the Earth during an equinox?

a. A and B b. B and C c. C and D d. B and D e. A and D

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