The knee extensor muscles are all innervated by the ________ nerve.
A) tibial
B) femoral
C) common peroneal
D) sciatic nerve
E) obturator
B) femoral
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As an individual ages, he or she may lose which of the following?
A) Neurons B) Bone density C) Muscle mass D) All of the above
Synovial joints are different from both fibrous and cartilaginous joints because synovial joints
A. use fibrous connective tissue to hold the bones in the joint together. B. are not freely moveable. C. generally have both bones in the joint fused together. D. are enclosed by a joint capsule. E. are only temporary; they are replaced in the adult.
Which of the following statements concerning the spleen is true?
A. Splenic arteries enter the organ at the periarterial sheath. B. The spleen can act as a blood reservoir. C. The white pulp is associated with the venous supply. D. The red pulp has trabeculae. E. Humans can not survive without a spleen.
This figure compares the organization of the somatic motor system and the autonomic nervous system. Identify structure "B" on the above diagram.
A. Somatic motor neuron B. Effector organ (smooth muscle of GI tract) C. Postganglionic neuron D. Preganglionic neuron E. Autonomic ganglion