If a person is infected with an std but shows no symptoms, he or she is said to be

a. hiv positive.

b. abstinent.

c. immune to the disease.

d. asymptomatic.

Which of these statements describes clinical depression? a. a milder form of depression that usually follows a traumatic event b. a medical condition that may occur due to a chemical imbalance in the brain c. alternate feelings of extreme happiness and extreme sadness