Which of the Following Is a Biological Influence on Blood-Injury-Injection

Multiple Choice

Which of the following is a biological influence on blood-injury-injection phobia?

A) an overreaction of a physiological mechanism that overcompensates for sudden increases in blood pressure
B) a genetic tendency to fear situations involving blood
C) hormonal abnormalities during the developmental period
D) overactivity of the fear mechanisms in the brain as they pertain to situations involving blood and injury