25
the skin provides which of the following immune defenses?

a. specific, cell-mediated
b. specific, humoral
c. nonspecific, chemical barrier
d. nonspecific, physical barrier

Akey feature of all epidemiology is the definition of a at risk. select one: a. pathogen b. ethnicity c. population d. lifestyle e. insect

Andrew loves to go camping and hiking in the fall. about two weeks after his last camping trip, he noticed an expanding red, target shaped, rash on his arm. to avoid this illness, andrew should have select one: a. boiled his water before drinking. b. avoided contact with ticks. c. avoided contact with fleas found on mice. d. camped only in the spring.

Calculate alex’s tee. alex has a bmr of 1,300 calories and he exercises lightly. his tee is .