Eliza complained of double vision and went to see her optometrist. The optometrist tested the function of various eye muscles and discovered that Eliza could not move her right eye medially. Which muscle may be injured?
a. superior oblique
b. lateral rectus
c. medial rectus
d. inferior oblique
c. medial rectus
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Answer the following statement true (T) or false (F)
Conduction of an action potential in a myelinated axon is called ________.
A. point to point conduction B. cable conduction C. refractory conduction D. saltatory conduction
The hydrogen bonds in a sample of water result in ________ cohesion and a ________ heat of vaporization.
A. increased; high B. decreased; low C. increased; low D. decreased; high
Which of the following is FALSE regarding single-unit smooth muscle cells?
A. They have many gap junctions between cells. B. They may have pacemaker activity. C. They have an individual neuron innervating each individual smooth-muscle cell. D. They exhibit tone. E. They may respond to stretch by contracting.