The first signal that the body needs fluid is
a. dark, concentrated urine
b. the sensation of hunger
c. the sensation of thirst
d. headache
c. the sensation of thirst
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The interaction of folate status and MTHFR genotype with _______________ appears to be of critical importance.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a function of normal intestinal flora?
a. Synthesize vitamin K. b. Prevent intestinal infections. c. Break down protein into amino acids. d. Protect against certain intestinal diseases.
Which of the following inflammatory conditions of the oral cavity occurs with a fungal infection such as Candida albicans?
a. Cheilosis b. Stomatitis c. Glossitis d. Gingivitis
What type of alveolar epithelium produces surfactant?
a. type I cells b. type II cells c. type III cells d. goblet cells e. acinar cells