Why is it that every axon in an adult mammal has a target cell (muscle cell or other neuron) with which it makes synaptic contact?
a. Each target cell causes the growth of a neuron and its axon.
b. After formation, axons release a chemical that causes a target cell to form.
c. Axons that fail to find a target cell die.
d. An axon will make contact with any kind of cell and adjust its function as necessary.
Question 2
Which hormone is released by the adrenal gland during stress?
a. cortisol
b. ACTH
c. CRH
d. NPY