Parasympathetic stimulation and epinephrine enhance the heart's contractility
a. True
b. False
Indicate whether the statement is true or false
False
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The startle reflex occurs when unexpected sounds reach the:
A) thalamus. B) hypothalamus. C) midbrain. D) pons.
A body in the prone position is ________.
A. face up B. lying on its left side C. lying on its right side D. face down
Small changes in _____________ will have a large impact on the heart's pumping effectiveness, while large changes in ___________ do not impact the effectiveness much
A. afterload; preload B. preload; afterload C. contractility; preload D. afterload; contractility E. contractility; afterload
Secretion of the hormones ________ and ________ exemplify the pattern of chronic hormone secretion.
A. epinephrine; norepinephrine B. thyrotropin; thyroxine C. insulin; glucagon D. estrogen; progesterone E. calcitonin; PTH