Biology Forums - Study Force

Jill finds out that she has soft water at her new house. This means that
 a. her soap will lather better.
  b. she will have a ring of mineral deposits on her bathtub.
  c. crystals will form inside her teakettle.
  d. her clothes won't get as clean.
  e. All of the above are correct.

Q. 2

Studies have shown that alcohol consumption is associated with a decreased incidence of heart disease. How do researchers explain this protective effect? 1 . increased levels of low-density lipoprotein (LDL) cholesterol. 2 . increased levels of high-density lipoprotein (HDL) cholesterol. 3 . increased fat loss due to altered metabolism. 4 . alcohol inhibiting blood clot formation. 5 . decreased levels of high-density lipoprotein (HDL) cholesterol.
 a. 1 and 3
  b. 2 and 4
  c. 3 and 5
  d. 4 and 5

Q. 3

Acetaldehyde affects red blood cells production by destroying vitamin _____.
 a. B12
  b. C
  c. D
  d. B6

Q. 4

All of the following occur when alcohol is consumed excessively on a regular basis except:
 a. fat storage is less efficient.
  b. protein synthesis slows down.
  c. stomach cells become inflamed.
  d. liver cells lose their efficiency in activating vitamin D.

Q. 5

Delirium tremens can occur when:
 a. a person drinks more than he or she is used to.
  b. a person experiences a hangover the day after binge drinking.
  c. alcohol is removed from a chronic alcohol user and convulsions ensue.
  d. an alcoholic drinks more than usual and passes out.

Q. 6

The increased efficiency of removing high levels of alcohol from the blood due to long-term exposure is known as:
 a. metabolic tolerance.
  b. apparent tolerance.
  c. functional tolerance.
  d. imagined tolerance.

Q. 7

The actual change in sensitivity to a drug is known as:
 a. metabolic tolerance.
  b. apparent tolerance.
  c. functional tolerance.
  d. imagined tolerance.

Q. 8

Long-term exposure to alcohol increases levels of alcohol dehydrogenase in the liver. What does this mean?
 a. The person must drink more alcohol than before to experience comparable effects.
  b. The person can drink less alcohol than before to experience comparable effects.
  c. The person is less likely to become addicted.
  d. The person is more likely to have a hangover.

Q. 9

In most states, the legal limit for BAC for the driver of a car is _____.
 a. 0.03
  b. 0.08
  c. 0.1
  d. 0.15

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