Human life span is ___ years
A) 80 B) 120 C) 90 D) 100
B
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Exposure to the bacterium Clostridium tetani causes continuous release of acetylcholine. What effect does this have on smooth muscle?
A. Flaccid paralysis B. Spastic paralysis C. Lockjaw D. No effect E. Myocardial atrophy
The jugular notch is a structural feature of the
A) clavicle. B) rib. C) sternum. D) cervical vertebra. E) thoracic vertebra.
Cells that help regulate the antibody-mediated immune response are ________ cells
A) B B) plasma C) helper T D) cytotoxic T E) NK
Describe the functions of osteocytes
A) Osteocytes are stem cells that form osteoblasts. B) Osteocytes are immature bone cells that secrete the organic components of bone matrix. C) Osteocytes are mature bone cells that maintain the bone matrix. D) Osteocytes are cells that remove the bone matrix. E) Osteocytes are cells that form cartilage.