Which form(s) of a local anesthetic drug is (are) responsible for the actions of the drug on nerve membranes?

Which of the following statements about shaken baby syndrome is false?

a. It rarely occurs in upper-class families. b. It often results in a traumatic brain injury. c. It is a form of child abuse. d. Most cases are perpetrated by someone close to the child.

A psychotic disorder characterized by disruptive behavior, hallucinations, delusions, and disorganized speech is known as which of the following?

A) bipolar disorder B) delusional disorder C) mental disorder D) schizophrenic disorder