A network of small arteries called the ________ provides a blood supply to the tunica externa of very large vessels.
A. thoroughfare channels
B. distributing arteries
C. vasa vasorum
D. fenestrated arteries
E. companion vessels
Answer: C
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Raising the potassium ion concentration in the extracellular fluid surrounding a nerve cell will have what effect?
A) depolarize it B) hyperpolarize it C) increase the magnitude of the potassium equilibrium potential D) decrease the magnitude of the potassium equilibrium potential E) both hyperpolarize it and decrease the magnitude of the potassium equilibrium potential
Bones and muscles function as mechanical devices called
A) syncytia. B) levers. C) ladders. D) lifts.
Define gustation
A) Gustation is the sense of smell. B) Gustation is the sense of taste. C) Gustation is the sense of equilibrium. D) Gustation is the sense of sight. E) Gustation is the sense of hearing.
The bulbourethral glands secrete
A. a mucus-like fluid. B. sweat. C. blood. D. sperm.