Sebum comes from ________
A) subcutaneous fat
B) hair follicles
C) skin bacteria
D) sebaceous glands
D
Explanation: A) Sebum does not come from subcutaneous fat.
B) Sebum does not come from hair follicles.
C) Sebum does not come from skin bacteria.
D) Correct! Sebum comes from the sebaceous (oil) glands.
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Amplification steps in the complement pathways occur
a. in the classical pathway with C1 cleaving multiple molecules of C4 and multiple C2 for every C1 and C4; in the alternative pathway with the C3b of other pathways becoming C3 convertase; and then the C3b becoming part of a C5 convertase b. in all pathways with all the C3 convertases making multiple C3a +C3b c. with C9 polymerization d. all of the above e. A and B only
An antipyretic is an agent that reduces fever
Indicate whether the statement is true or false
The fitness principle, which states that the effects of training are directly related to the types of activities performed, is known as the principle of ________.
Fill in the blank(s) with the appropriate word(s).
According to Erikson's stages of development, the conflict typical of older adulthood involves
A. integrity vs. despair. B. intimacy vs. isolation. C. industry vs. inferiority. D. trust vs. mistrust.