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Alzheimer disease involves a deficiency in the neurotransmitter:


A) dopamine.
B) serotonin.
C) acetylcholine.
D) enkephalin.

E) B) and C)
F) B) and D)

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Which of the following statements about the respiratory system in older adults is FALSE?


A) Lung capacity drops 40% between the ages of 20 and 80 years.
B) Lungs lose elasticity.
C) The diaphragm weakens.
D) The chest enlarges.

E) A) and B)
F) B) and C)

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Mr.Martin is 84 years old and has no major health problems.Sexual function in someone as old as Mr.Martin is:


A) about the same as it was when he was in his 50s.
B) possible but hampered by the lower blood pressure of most older adults.
C) possible but typically hampered by limited circulation in the sexual organs.
D) possible,although it may be more difficult for Mr.Martin to gain an erection and have an orgasm.

E) A) and D)
F) A) and C)

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A disease of the eye that is characterized by the deterioration of the macula of the retina which corresponds to the focal center of the visual field.

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macular de...

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Researchers have extended the life of a human cell by:


A) removing the cap of the DNA molecule.
B) injecting it with telomerase.
C) rearranging the DNA sequences.
D) splicing the 18th and 19th chromosome.

E) B) and D)
F) B) and C)

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Loss of bone mass is associated with:


A) arteriosclerosis.
B) diabetes.
C) arthritis.
D) osteoporosis.

E) None of the above
F) All of the above

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The number of years that the average person born in a particular year will probably live.

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Selective attention is ________,whereas divided attention is ________.


A) vigilance; focusing on a specific event.
B) paying attention only occasionally; constantly paying attention.
C) focusing on one thing; focusing on many things.
D) paying attention to detail; paying attention to significant events.

E) A) and B)
F) None of the above

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When doctors treat patients for arthritis,they know that:


A) medications can cure the disease.
B) there is currently no cure for the disease.
C) little can be done to ease the pain and disability of arthritis.
D) it can be cured with the proper combination of diet,exercise,and newly discovered medication.

E) All of the above
F) C) and D)

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The expert knowledge about the practical aspects of life that permits excellent judgment about important matters.

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