With regard to the healing of a skin wound, macrophages ________
A) release histamine to increase blood flow to the area
B) make capillaries more permeable allowing white blood cells to migrate into the area
C) phagocytize and digest tissue debris
D) stimulate epithelial cells to multiply
E) produce and secrete collagenous fibers
C
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The greatest output of electrolytes normally is in urine.
Answer the following statement true (T) or false (F)
The hydrolysis of ATP causes myosin to immediately
A) swivel, moving the actin molecule. B) bind more tightly to the actin (rigor). C) rotate into a position (cocked) to bind to actin. D) release from the actin. E) release of ADP.
The ________ are the photoreceptors responsible for night vision.
Fill in the blank(s) with the appropriate word(s).
The joint between the head of the radius and the ulna is a ________ type of synovial joint
A) pivot B) ball and socket C) condylar D) saddle