Which of the following is true regarding unmyelinated nerve fibers in the PNS?
A) An oligodendrocyte cells wraps its plasma membrane around each fiber as it does with myelinated fibers.
B) A Schwann cells wraps its plasma membrane around each individual fiber as it does with myelinated fibers.
C) Satellite cells cluster around each axon to form a pseudo-myelin sheath.
D) A Schwann cell folds its plasma membrane around several fibers .
D
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Structure G is the
A) retina. B) sclera. C) choroid. D) ciliary body. E) cornea.
What is positive feedback?
A. The process the body uses to increase the movement away from homeostasis B. The body's ability to maintain homeostasis C. The process the body uses to reverse the direction of movement away from homeostasis D. The body's ability to function outside of the optimal range
Which layer of the uterus is constructed of smooth muscle?
A) endometrium B) perimetrium C) myometrium D) epimetrium
Straight tubules originate at the seminiferous tubules and form a network of passageways called the
A) epididymis. B) ductus deferens. C) rete testis. D) efferent ducts. E) vas deferens.