Nerve fibers in the posterior lobe of the pituitary gland secrete
A) antidiuretic hormone. B) thyroid-stimulating hormone.
C) growth hormone. D) adrenocorticotropic hormone.
A
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Unlike inspiration, expiration is a passive act because no muscular contractions are involved. Expiration, however, depends on two factors. Which of the choices below lists those two factors?
A) the recoil of elastic fibers that were stretched during inspiration and the inward pull of surface tension due to the film of alveolar fluid B) the expansion of respiratory muscles that were contracted during inspiration and the lack of surface tension on the alveolar wall C) the negative feedback of expansion fibers used during inspiration and the outward pull of surface tension due to surfactant D) combined amount of CO2 in the blood and air in the alveoli
During the secretory phase of the uterine (menstrual) cycle,
A) ovulation occurs. B) a new functional layer is formed in the vagina. C) uterine glands enlarge. D) the old functional layer of the endometrium is sloughed off. E) the corpus albicans releases hormones.
Which of the following is NOT an aging effect of the lymphatic system and immunity?
A. Fluid removal by the lymphatic capillaries is reduced.
B. Fewer antibodies are produced.
C. Onset of autoimmune diseases is unchanged.
D. T cell numbers remain constant but they are less functional.
Which of the following is an example of angular motion?
A) eversion B) extension C) protraction D) depression E) opposition