Is agent who is causing disease
Answer:
The correct answer is B. May involve enhancement or impairment of the immune system.
Explanation:
Stress for a shorter time period can be lead to an enhancement of the immune system as it increases the essential alert system of the body and regulates it.
However, stress for a longer period reduces the ability of the immune system to fight with antigens that can lead to infection and suppressing of the lymphocytes.
Thus, the correct answer is B.
This would be an example of classical conditioning. This is almost exactly what Pavlov did with his dogs.
Double displacement, as the metal A pairs with the nonmetal D, and the metal C pairs with the nonmetal B. They basically switch their partners, so it’s a double displacement reaction.
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