Extreme, irrational fears of objects and situations, such as hypodermic needles and public speaking are examples of _____

________ refers to the capacity of a drug molecule to bind to a key site of action.

a. Dissociation b. Sensitization c. Inactivation d. Affinity e. Tolerance

Amanda signed up with the army right after she graduated from high school. She was soon sent to Iraq. During her two years in Iraq, she witnessed many gruesome catastrophes. Upon returning home, she felt detached and estranged from her old friends, was ea

A) flashbacks. B) posttraumatic stress disorder. C) anxiety. D) depression.