This figure compares the organization of the somatic motor system and the autonomic nervous system. Identify structure "C" on the above diagram.
A. Preganglionic neuron
B. Postganglionic neuron
C. Somatic motor neuron
D. Effector organ (smooth muscle of GI tract)
E. Autonomic ganglion
Answer: B
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An increase in the size of a muscle fiber is called _________________
Fill in the blank with correct word.
Which muscle is innervated by the tibial nerve?
A. Tibialis anterior B. Fibularis longus C. Semimembranosus D. Extensor digitorum longus E. Vastus lateralis
Which of the following is NOT true of the ventricles of the brain?
A. They are blood-filled chambers. B. There are 2 lateral ventricles. C. They are all interconnected. D. The fourth ventricle lies between the pons and the cerebellum. E. All of these are true of the ventricles of the brain.
Which skull canal contains branches of the trigeminal nerve?
A. Carotid canal B. Foramen ovale C. Jugular foramen D. Nasolacrimal canal E. External auditory canal