Most muscle work is accomplished by ________
A) treppe
B) complete tetanus
C) wave summation
D) incomplete tetanus
B
Explanation:
A) Most muscle work is not accomplished by treppe.
C) Most muscle work is not accomplished by wave summation.
D) Most muscle work is not accomplished by incomplete tetanus.
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The orbicularis oculi muscle
A. puckers the mouth for kissing. B. contributes to pouting. C. contributes to laughing and smiling. D. causes crow's feet wrinkles. E. raises the eyelid.
The formula of an amino group is ________; the formula of a carboxyl group is ________
A) -OH; -SH B) -NH2; -COOH C) -COOH; -OH D) -CH3; -NH2 E) -SH; -H2PO4
A leukocyte can migrate across a capillary wall by squeezing between adjacent endothelial cells, in a process known as ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a function of erythrocytes?
A. To defend the body against pathogens B. To initiate blood clotting C. To regulate erythropoiesis D. To transport carbon dioxide E. To transport nutrients