Which is an accurate description of the posterior pituitary and its functions?
A. It is glandular tissue and secretes vasopressin and prolactin.
B. It is neural tissue and is stimulated to secrete oxytocin and vasopressin by hypophysiotropic hormones.
C. It is neural tissue, and vesicles containing oxytocin and vasopressin are transported to axon terminals there.
D. It is glandular tissue and releases oxytocin and somatostatin when action potentials arrive along axons from the hypothalamus.
E. It is neural tissue that secretes hypophysiotropic hormones that control the secretion of the anterior pituitary hormones.
C
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Which of the five cerebral lobes is the one not visible on the surface of the brain?
A. Insula B. Temporal C. Frontal D. Occipital E. Parietal
Which ion's movement is responsible for repolarization?
A. Influx of Na+ B. Outward diffusion of K+ C. Influx of K+ D. Outward diffusion of Na+
Renal columns are
A) internal cavities lined by the fibrous capsule. B) expanded ends of the ureters. C) the basic functional units of the kidney. D) bundles of tissue that extend between pyramids from the cortex. E) conical structures that are located in the renal medulla.
Cells of the central nervous system that control capillary permeability are:
a. astrocytes b. afferent neurons c. oligodendrocytes d. microglia cells