The term "nerve fiber" refers to a(n) ________
A) axon
B) organelle in nerve cells
C) bundle of macromolecules in nerve cells
D) organ
E) nerve cell
A
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The external urethral sphincter
A. is controlled by the somatic nervous system. B. surrounds the external urethral orifice. C. opens before the internal urethral sphincter during the micturition reflex. D. is composed of smooth muscle fibers. E. All of the choices are correct.
In a healthy kidney, very little __________ is filtered by the glomerulus.
A. amino acids B. electrolytes C. glucose D. vitamins E. protein
An almost insignificant fraction of the total number of charged particles present in the body fluids is responsible for the membrane potential
a. True b. False Indicate whether the statement is true or false
What is the triple-layered muscle responsible for urinary bladder contractions?
internal urinary sphincter urethral meatus detrusor trigone