If you block Ca2+ channels on an axon, which will not occur?
A. The repolarization phase of the action potential
B. The exocytosis of neurotransmitter
C. The graded potential
D. The depolarization phase of the action potential
E. All of these will not occur
Answer: B
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The microscopic cylindrical-shaped unit of compact bone is called the ________.
A. endosteum B. cancellous C. osteon D. trabeculae
The rotatores:
A) have a relatively large mechanical advantage for producing trunk rotation. B) possibly function primarily as "kinesiological monitors" or organs of proprioception. C) are part of the erector spinae group of muscles. D) are attached to the transverse processes of a pair of consecutive vertebrae. E) when acting bilaterally, can produce trunk flexion.
Each epididymis emerges from the bottom of a testis
Indicate whether the statement is true or false
The middle, muscular portion of the heart wall is referred to as the
a. endocardium. b. myocardium. c. myometrium. d. endometrium. e. myoma.