Author Question: Contrary to the earlier belief that the brain and immune system operate independently of each other, ... (Read 32 times)

nelaaney · **on:** Jun 22, 2018

Contrary to the earlier belief that the brain and immune system operate independently of each other, scientists accidentally discovered a link working with rats in a(n)

a. classical conditioning paradigm.
b. injection trial experiment.
c. rheumatoid arthritis study.
d. experimental HIV trial.

Question 2

The immune system is weakened in AIDS patients because the human immunodeficiency virus directly attacks the lymphocytes called

a. killer T cells.
b. T4 (helper) cells.
c. suppressor T cells.
d. B cells.