The ventral root of a spinal nerve carries which component of a reflex arc?
A. Efferent fibers
B. Afferent fibers
C. The integration center
D. Somatic receptors
Answer: A
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During the cardiac cycle, the left atrium and ventricle contract simultaneously, and then the right atrium and ventricle contract at the same time.
Answer the following statement true (T) or false (F)
Which hormone stimulates the uptake of glucose by cells, lowering the concentration of glucose in the blood?
A) epinephrine B) cortisol C) insulin D) glucagon
The presence of Herring bodies is an identifying characteristic of the:
a. Adrenal cortex b. Adrenal medulla c. Islets of Langerhans d. Parathyroid gland e. Posterior pituitary gland
Which of the following is not associated with the pons?
A) Sensory information from the inferior region of the face B) Neck movement C) Sensory information from the superior region of the face D) Lateral eye movements E) Sensory information from the middle region of the face