Mucosae of a healthy intestinal tract _____. (Select all that apply.)
a. have a large number of activated T and B cells
b. harbor T cells bearing a very wide diversity of antigen specificities
c. contain intraepithelial lymphocytes
d. have large numbers of resident neutrophils
e. are populated with both ?:? and ?:? effector T cells.
a, c, e
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Corticosteroid drugs mimic the action of the hormone cortisol, which is produced in the lungs
Indicate whether the statement is true or false.
A patient with paraplegia must exercise his muscles daily to prevent a reduction in muscle size and strength known as:
A) atrophy B) ankylosis C) ataxia D) tenodynia
Nutritionists believe Americans over-consume ________ fatty acids in proportion to omega-3 fatty acids.
Fill in the blank(s) with the appropriate word(s).
The practice of exporting banned chemicals to other poorer countries where they are used in agricultural production of products that are then shipped back to the U.S. is:
a. illegal. b. protecting the American public. c. called the "Circle of Poison.". d. all of these choices