Twenty-five-year-old Jason only got three hours of sleep last night. It is likely his body now has elevated levels of which hormone?

For years John has believed that people are plotting against him. Therefore, he is suspicious and trusts no one. What subtype of schizophrenia is the most appropriate diagnosis?

a) residual b) catatonic c) paranoid d) disorganized

In classical conditioning, discrimination basically is the reverse of ______

a. extinction c. intermittent pairing b. generalization d. external inhibition