Which section of a research report provides background information by reviewing prior studies on the same or related topics to the current one being investigated?

_____ is an irrational fear and avoidance of any social or performance situation in which one might embarrass or humiliate oneself in front of others by appearing clumsy, foolish, or incompetent

a) Obsessive-compulsive disorder b) Social anxiety disorder c) Generalized anxiety disorder d) Major depressive disorder

Myasthenia gravis can be caused by which of the following?

a. Damage to dopamine-containing cells in the substantia nigra b. Loss of acetylcholine receptors on muscles c. Loss of cell bodies in the striatum d. Damage to the myelin sheath that covers axons in the spinal cord