Your friend has applied to several medical schools. After receiving one rejection letter, she concludes that she will not be admitted to any school and feels depressed. Your friend is engaging in ___________

An overdose of opiates results in the user losing control of breathing and dying from respiratory failure.

a. true b. false

All of the following are principles explain the functioning of psychic energy except _____

a. differentiation principle c. equivalence principle b. opposition principle d. entropy principle