The torque of a muscle (rotary component) is greatest in what position?
A. when the moment arm is longest
B. when the muscle insertion is 90° to the bone
C. both A and B
D. position does not affect torque
C. both A and B
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Active tissues receive approximately ________ as much O2 as inactive tissues.
A) 2 times B) 3 times C) 5 times D) 10 times E) 100 times
In the carotid arteriogram below, the location of the internal carotid artery at the site indicated by the arrow is in the:
A) substance of the brain. B) cavernosus sinus. C) petrous part of the temporal bone. D) foramen lacerum. E) maxillary sinus.
In females the first meiotic division produces a secondary oocyte and a _____
Fill in the blank(s) with the appropriate word(s).
What cells display portions of the pathogens (antigens) they ingest on their plasma membranes?
A) basophils B) natural killer (NK) cells C) antigen-presenting cells D) eosinophils