The sympathetic nervous system and adrenal epinephrine cause ___________________ of the afferent arterioles, thereby reducing the glomerular filtration rate.
a) vasodilation
b) vasoconstriction
b) vasoconstriction
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__________ degrades acetylcholine, keeping it from accumulating in the synapse
A) Acetylcholinesterase B) ATPase C) Myosinase D) Actinase
What is the typical result if there is too much or too little of a hormone present?
A) Feedback mechanisms in the body cannot correct the imbalance. B) Feedback mechanisms in the body are used to correct the imbalance. C) The endocrine gland begins to atrophy. D) The lens becomes more brittle with age causes light to refract erratically.
Addison disease results from the ________.
A. hyposecretion by the adrenal medulla B. hyposecretion by the adrenal cortex C. hypersecretion by the adrenal medulla D. hypersecretion by the adrenal cortex
A ballerina tears her round ligament during a performance one evening. Which of the following would her orthopedic surgeon be most concerned about?
A. Cell death in the femoral head B. Shoulder subluxation C. Knee hyperextension D. Elbow hyperextension