The four main genetic factors that seem related to Alzheimer's disease are all and combinations. ...

The four main genetic factors that seem related to Alzheimer's disease are all and combinations.
 
  a. neurotransmitter; neural network
  b. proteins; chromosomes
  c. hormone; endocrine
  d. lipid; cell body

Question 2

Lucille is testing a new treatment for anxiety disorders. She has recruited participants, and assigns the first 50 recruits to the treatment condition and the second 50 to the placebo condition. Using this procedure to assign participants to conditions suggests Lucille does not understand the importance of in experimental research.
 
  a. placebo
  b. randomization
  c. assessment
  d. external validity

Question 3

Increased glutamate from stress may produce a state of sadness from dopamine depletion to trigger cravings for increased dopamine by using drugs, thereby enhancing
 
  a. drug relapse.
  b. drug effects.
  c. drug tolerance.
  d. drug withdrawal.

Question 4

A researcher designed an experiment to determine if consumption of caffeine results in increased level of motor activity. In this study, the independent variable is the
 
  a. caffeine.
  b. motor activity.
  c. experimental design.
  d. experimenter bias.

Question 5

Relatively strong evidence for a genetic predisposition of Alzheimer's disease comes from
 
  a. American surveys.
  b. European comparative gene mapping.
  c. Asian family studies.
  d. Scandinavian concordance studies with twins.