Which of the following cranial nerves innervates the muscles that move the tongue?
A) facial
B) hypoglossal
C) abducens
D) accessory
B
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The iris of the eye contains
A. skeletal muscle. B. multiunit smooth muscle. C. single-unit smooth muscle. D. cardiac muscle.
The divisions of the skeletal system include (the)
A) cranial, caudal, and anterior. B) dorsal and ventral. C) axial and appendicular. D) proximal and distal. E) None of the answers are correct.
Which bone feature is also an articular surface?
A) Lateral condyle B) Ala C) Greater trochanter D) Medial epicondyle
Which of the following statements with regard to vision is FALSE?
A. Photoreceptors are neurons. B. There are two basic types of photoreceptors in the retina, rods, and cones. C. There are normally four different photopigments in the retina. D. There are four different chromophore molecules in the retina. E. There are four different opsins in the retina.