5. Which of the following surrounds an individual muscle cell?        

24. Problems in balance may follow trauma to which nerve?        

28. Breaks down ACh into its building blocks, rendering it inactive.          

48. The anterior chamber of the eye is filled with vitreous humor.

20. The eye muscle that rotates the eye upward and turns the eye laterally is the ________.        

46.  Damage to the medial rectus muscles would probably affect ________.        

2. Nerve impulses leading to the brain carry information about cool temperatures on the skin. The nerve fibers sending these signals will most likely belong to which division of the nervous system?        

15. Odorants must be volatile to be smelled.

4. Some sympathetic preganglionic fibers stimulate the adrenal medulla to release norepinephrine and epinephrine into the blood, producing a “surge of adrenaline.”

7. The secretions of the adrenal medulla act to supplement the effects of ________.