Which of the following is false regarding acetylcholine?
A. It is rarely used in the body.
B. It is the neurotransmitter used at the neuromuscular junction.
C. It is stored and released by the presynaptic cell.
D. It is synthesized from acetic acid and choline.
A
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________ are pointed teeth that are adapted for tearing and slashing
A) Incisors B) Bicuspids C) Premolars D) Cuspids E) Molars
The epidermal layer whose cells have stopped dividing and started to produce large amounts of keratin is the
A) stratum corneum. B) stratum lucidum. C) stratum basale. D) stratum granulosum. E) stratum spinosum.
Which of the following is false?
a. at age 6 an individual has more bones than they will as an adult b. infants have fewer bones than an older child c. as adults everyone has the same number of bones d. in old age individuals become shorter due to the changes in posture and compression of cartilage
30. Fran has a microbial infection attacking his brain. Which cell type would you expect to proliferate and be most active during this time?
A. astrocytes B. microglial cells C. oligodendrocytes D. ependymal cells E. Schwann cells