Which of the following organs help maintain the proper pH of body fluids?
a. kidneys by forming urine
b. lungs by exhaling carbon dioxide
c. spleen by filtering the blood
d. both A and B above
d. both A and B above
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Compared to a somatic reflex, an autonomic reflex utilizes
A. one motor neuron plus cardiac and smooth muscle and glands as effectors. B. one motor neuron plus skeletal muscles as effectors. C. two motor neurons plus cardiac and smooth muscle and glands as effectors. D. two motor neurons plus skeletal muscles as effectors. E. three motor neurons plus skeletal muscles as effectors.
The pituitary hormone that controls hormone synthesis and release from the thyroid gland is
A) ACTH. B) LH. C) STH. D) TSH. E) FSH.
A group of neuron cell bodies in the CNS that has a descrete boundary is called a
A) nucleus. B) ganglion. C) center. D) soma. E) column.
The cremaster muscle and fascia are derived from which of the following structures?
(A) external abdominal oblique muscle (B) transverse abdominal muscle and fascia (C) internal abdominal muscle (D) transversalis fascia (E) external abdominal aponeurosis