The posterior root of a spinal nerve contains
A) axons of motor neurons.
B) axons of sensory neurons.
C) cell bodies of motor neurons.
D) cell bodies of sensory neurons.
E) interneurons.
B
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Which hormone stimulates Leydig cells to secrete testosterone?
a) GnRH b) LH c) Inhibin d) DHT e) None of these choices
The ____ system is the body's control center and communication network
a. muscular
b. digestive
c. nervous
d. cardiovascular
Discuss the function of the countercurrent mechanism and its role in the production of concentrated urine
What will be an ideal response?
What is the primary challenge to acid-base homeostasis?
A) The primary challenge is the difficulty exhaling CO2 causing accumulation of acid. B) The primary challenge is that buffer systems only work within tissues not in the blood plasma. C) The primary challenge is that blood pH must be maintained at exactly 7.0. D) The primary challenge is that the body generates a variety of acids during normal metabolic operations causing a decrease in pH. E) The primary challenge is that only the lungs can increase pH.