The structure in the intervertebral foramen between C6 and C7 vertebra is which spinal nerve?
a. C5
b. C6
c. C7
d. C8
Answer: c. C7
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Steroid hormones exert their action by ________.
A) entering the nucleus of a cell and initiating or altering the expression of a gene B) finding an appropriate cell receptor and initiating cAMP activity C) stimulating the synthesis of a glycogen D) increasing blood pressure
The muscle that assists the pectoralis major in adducting and medially rotating the shoulder, but extends rather than flexes the joint, is the ________.
Fill in the blank(s) with the appropriate word(s).
The first haploid (n) stage of spermatogenesis is prophase II.
Answer the following statement true (T) or false (F)
What is the importance of reciprocal innervation in muscular reflexes?
A. It prevents simultaneous activity of antagonistic muscle groups that would impede limb movement. B. It ensures that limbs on the contralateral side of the body perform the same movements as those on the ipsilateral side. C. It maintains signaling along afferent neurons from stretch receptors, even when a muscle shortens rapidly. D. It prevents excessive force on a muscle from resulting in tearing of fibers, or damage to the tendon. E. It recruits synergistic muscles to come to the aid of a muscle that help it generate force and limb motion.