The visual reflex center is housed within the _____________________ a) cerebellum b) superior colliculus c) pons d) hypothalamus 22.

16. The visual reflex center is housed within the _____________________

a) cerebellum

b) superior colliculus

c) pons

d) hypothalamus

22.(a)Describe how the CSF is formed, (b) where the CSF is formed,(c)its circulation (d) how it is reabsorbed into the vascular system and (e) where it is reabsorbed into the vascular system.

26.Betsy felt strange this morning when she got up. She could not hold her eyeglasses with her right hand when trying to put them on. Her muscles were weaker on the right side of her body. Her husband noticed she was slurring her speech, so he took her to the ER.

(A) What does the ER physician says has occurred?

(B)Where in the brain might the physician suspect that abnormal activity or perhaps a

lesion is located?

27.Parkinson disease is the result of decreased level of the neurotransmitter dopamine in the brain. However, these patients can’t take dopamine in drug form because the drug cannot reach the brain. What anatomical structure prevents the drug from reaching the brain?