Visceral reactions which accompany emotional states are due to activation of the autonomic nervous system by the ________.
A. limbic system
B. cerebellum
C. cerebral cortex
D. pons
Answer: A
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Which bone contains diaphysis and epiphysis areas, a tuberosity near its middle, and is proportionally more compact than spongy bone?
A) parietal bone B) talus C) humerus D) cervical vertebra
Atropine is sometimes used to dilate the pupil for an eye examination. Which receptor would atropine block?
A. Nicotinic receptor B. Beta receptor C. Alpha 1 adrenergic receptor D. Alpha 2 adrenergic receptor E. Muscarinic receptor
Gonadotropic hormones from the anterior pituitary will affect the gonads in all of the following ways EXCEPT ________.
A. maintenance of gonad structures B. stimulation of gonadal hormone secretion C. stimulation of spermatogenesis or oogenesis D. suppression of sexual drive
An increase in the rate and depth of breathing causes a(n) ________ in blood CO2 concentration and a(n) ________ in blood pH.
A. decrease; decrease B. increase; increase C. decrease; increase D. increase; decrease