What category of receptor cell is used to sense changes in temperature?
a) photoreceptor
b) mechanoreceptor
c) thermoreceptor
d) chemoreceptor
e) osmoreceptor
c
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Sympathetic preganglionic fibers are ________ and have ________ axons
A) short; myelinated B) short; unmyelinated C) long; myelinated D) long; unmyelinated E) intermediate; small
In order for a severed peripheral nerve to regenerate and recover its original function,
nerve fibers must sprout and enter tubes formed by A) basement membranes and connective tissues. B) myelin. C) nodes of Ranvier. D) former axons.
Diagnosis of an indirect inguinal hernia is determined when intestine protrudes lateral to the inferior epigastric artery through the abdominal body wall. During the phys- ical examination of a male patient, a physician will assess for an indirect hernia by inserting a finger in the scrotum and feeling for bowel that protrudes, as the patient is instructed to turn his head and cough. If an indirect inguinal hernia is present, the physician will most likely feel bowel at which of the following sites?
A. Anterior superior iliac spine B. Deep inguinal ring C. McBurney's point D. Pubic symphysis E. Superficial inguinal ring
Which brain region causes you to breathe differently when afraid or angry?
A. cerebral cortex B. medulla oblongata C. all D. pons E. subcortical regions