What is the function of the hilum?
A) An indentation where urine collects before transport to the bladder
B) An indentation where vessels enter/exit the kidney
C) Microscopic structure that creates urinary filtrate
D) Protects the kidney by being a barrier
Answer: B
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The main region of the brain that adjusts sympathetic output to the arterioles is the cardiovascular control center in the __________ of the brain stem
Fill in the blank(s) with correct word
When light encounters a medium of different density, it is bent or
A) reflected. B) refracted. C) absorbed. D) transduced. E) propagated.
When dissecting a sheep's brain, a midsagittal cut slices ________
A) between the cerebellum and cerebrum B) through the longitudinal fissure C) through the parieto-occipital sulcus D) through the central sulcus
Adrenergic receptors
A. can be activated by the release of epinephrine. B. have two structural forms - muscarinic and nicotinic. C. when activated stimulate skeletal muscles to contract. D. can be found in both the sympathetic and parasympathetic divisions. E. are activated by the release of acetylcholine.