Question

5. A motor nerve:

a. has sensory neurons

b. has motor neurons

c. carries sensory information

d. each of the above is correct

6. One, single nerve:

a. can have axons only sending action potentials from the periphery toward the spinal cord

b. can have axons only sending signals from the spinal cord toward the periphery

c. can have both kinds of axons – incoming to the spinal cord; outgoing to the periphery

d. each of the above is correct

7. Oligodendrocytes:

a. are found in the brain

b. are both sensory and motor neurons

c. can create a myelin sheath

d. each of the above is correct

8. The blood-brain barrier:

a. restricts molecules in the blood from moving into the brain tissue

b. prevents brain cells from putting any molecules into the blood

c. is formed by modified osteoblasts (which build a thin, bone-like barrier)

d. each of the above is correct

Answer 1

Ans:- 5---- b

6---c

7-----d

8---- d

See theimage for explaination