List the seven functions of saliva in the oral cavity.
What will be an ideal response?
Functions of saliva include (1) moistening and lubricating food to facilitate swallowing; (2) initiating digestion of carbohydrate; (3) providing antibacterial protection with lysozyme; (4) enhancing taste; (5) serving as a buffer; (6) promoting oral hygiene by dissolving food, dead cells, and foreign substances; and (7) assisting speech by allowing free movement of the lips and tongue.
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Which of the following is not a recommendation for lowering cancer risk?
A) Maintaining a desirable weight B) Limiting consumption of genetically modified food C) Eating more high-fiber foods D) Limiting consumption of alcohol E) Limiting consumption of nitrate-preserved foods
The fat-soluble vitamins:
a. are less stable than the water-soluble vitamins. b. are first absorbed into the lymph. c. are usually constituents of coenzymes. d. are not essential.
Some young adult amenorrheic distance runners and ballerinas may have osteopenia and osteoporosis, conditions generally associated with older women
Indicate whether the statement is true or false
Macronutrients include:
a. minerals. b. proteins. c. vitamins. d. enzymes.