Voluntary control of defecation requires learning to keep the external anal sphincter smooth muscle contracted.
Answer the following statement true (T) or false (F)
False
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Which hormone is NOT paired with its correct stimulus for secretion?
a. insulin-hyperglycemia b. glucagon-hyerglycemia c. PTH-hypocalcemia d. calcitonin-hypercalcemia
Identify the correct statement(s)
a. The DRG consists of both inspiratory neurons and expiratory neurons. b. The neurons of the DRG remain inactive during normal quiet breathing. c. The DRG is called into play by the VRG as when demands for ventilation are increased. d. All of the above are correct. e. None of the above are correct.
Which statement about the effects of aging on the endocrine system is true?
A. The increase of estrogen and testosterone cause osteoporosis. B. Up-regulation stops. C. Estrogen and testosterone increase dramatically with aging. D. Levels of hormones decline with age.
A follicle containing a secondary oocyte and a single fluid-filled antrum is called a ________ follicle.
A. primary B. secondary C. Graafian or mature D. tertiary E. primordial