For every muscle there is an optimal length at which maximum ____________________ is achieved
Fill in the blank(s) with correct word
force (or tension)
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The talocrural joint is a modified hinge joint that permits dorsiflexion and plantar flexion
Indicate whether this statement is true or false.
Potassium efflux from most cells is driven by
a. the concentration gradient for potassium. b. the charge gradient across the membrane. c. the concentration gradient for sodium. d. the action of the Na+-K+ pump. e. none of these.
Arrange the following events of exocytosis in the correct sequence:(1) Vesicle membrane fuses with plasma membrane(2) Secretory vesicles migrate to plasma membrane(3) Vesicle contents are expelled from cell(4) Secretions accumulate within secretory vesicles
A. 1, 2, 3, 4 B. 2, 1, 4, 3 C. 4, 2, 1, 3 D. 1, 4, 2, 3 E. 3, 1, 4, 2
In the myogenic mechanism of autoregulation, what is the response to an increase in blood pressure in the afferent arteriole?
A. constriction of the glomerulus B. dilation of the afferent arteriole C. dilation of the efferent arteriole D. constriction of the afferent arteriole