Axons growing toward the optic chiasm are directed ...

[armygirl]

Axons growing toward the optic chiasm are directed contralaterally or ipsilaterally by
 
  a. cell adhesion molecules.
 b. guidepost cells.
 c. sonic hedgehog.
 d. radial glia.

Question 2

Which of the following areas of the spinal cord show enlargement of the ventral horns due to large numbers of motor neurons?
 
  a. C1C2 and T2T12
 b. C1C2 and L1S3
 c. C3T1 and T2T12
 d. C3T1 and L1S3

[ciecieme]

Answer to Question 1

b

Answer to Question 2

d

[armygirl]

Thanks for the timely response, appreciate it

[blakcmamba]

TYSM