Antibodies ________.
A. facilitate the phagocytosis of the cell to which the antibody is bound.
B. can bed described as "flags" to identify cells that are recognized as "self"
C. facilitate the fixation of complement to the membrane of a pathogenic organism
D. None of the choices are correct.
Answer: C
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The first branch off the arch of the aorta is the
A. right subclavian artery. B. brachiocephalic artery. C. right common carotid artery. D. left common carotid artery. E. left subclavian artery.
________ are giant bone cells with 50 or more nuclei.
A) Osteocytes B) Osteons C) Osteoblasts D) Canaliculi E) Osteoclasts
"Motor" carries impulses away from the CNS. Half a million in the body.
A. Afferent Neuron B. Efferent Neuron C. Interneurons D. None of the above
The menstrual phase occurs mainly due to the declining level of which hormone?
a. Progesterone b. Luteinizing hormone c. Estrogen d. Follicle stimulating hormone