One reason that there are not many heavy drinkers among those age 65 and older is because :

One reason that there are not many heavy drinkers among those age 65 and older is because
 
  A) they underreport their drinking habits.
  B) most older people are on fixed incomes that limit their spending on extras such as alcohol.
  C) heavy drinkers tend to die of alcohol-related complications before they grow old.
  D) alcohol is metabolized more quickly in an older person's body.

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What often occurs in the final stage of Alzheimer's disease?
 
  A) Complete disorientation
  B) Agitation and restlessness
  C) Sporadic memory loss
  D) Aggressive behavior

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John has a disease whose symptoms include memory loss, disorientation, and personality changes. He has been diagnosed with
 
  A) schizophrenia.
  B) major depression.
  C) Alzheimer's disease.
  D) Parkinson's disease.

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A progressive brain impairment that interferes with memory and intellectual functioning is known as
 
  A) dementia.
  B) amnesia.
  C) anxiety.
  D) cognitive loss.

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Albert suffers from the most common psychological problem among the elderly. Which condition does he have?
 
  A) Bipolar disorder
  B) Generalized anxiety disorder
  C) Depression
  D) Panic disorder