Select the cranial nerve of the parasympathetic nervous system that signals the heart
a. cardiac.
b. coronary.
c. hypoglossal.
d. trigeminal.
e. vagus.
E
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Only ________ muscle cells commonly branch.
Fill in the blank(s) with the appropriate word(s).
When a person loses consciousness, working memory is interrupted and memories are abolished for all that happened for a variable period of time before the blow that caused unconsciousness. Why?
A. There was a deficiency of adequate blood flow to the brain. B. There was an interruption in the constant stream of neuron potentials to memory facilitation brain areas. C. This is an area of neurological research that has not achieved any satisfying conclusions at the present time. D. The traumatic blow to the head caused a concussion through violent displacement of the brain in the skull. E. Conflicting external interference prevents conversion of short-term to long-term memory.
Straight tubules originate at the seminiferous tubules and form a maze of passageways called the
A) afferent ducts. B) efferent ducts. C) ductus deferens. D) epididymis. E) rete testis
Increased secretion of atrial natriuretic hormone results in
A. increased thirst. B. increased urine output. C. increased blood pressure. D. increased osmolality of the extracellular fluid. E. decreased urine output.