Which of the following statements is true regarding markers of vulnerability to alcohol?
A) Men with alcohol-dependent relatives tend to show an increased heart rate after consuming alcohol.
B) MAO activity is higher in alcohol-dependent persons.
C) Sons of alcohol-dependent fathers have lower than normal rates of the fast beta wave.
D) High levels of serotonin have been associated with impulsivity, aggressiveness, and antisocial behaviour.
E) Men who show the greatest increases in heart rate are less inclined to drink regularly.

Question

Quizplus · Accepted Answer

Men with alcohol-dependent relatives tend to show an increased heart rate after consuming alcohol. This marker of vulnerability has been suggested to be due to differences in the autonomic nervous system, which may contribute to an increased risk for alcohol use disorder.

(B) MAO activity has been found to be lower in alcohol-dependent persons, not higher. 
(C) Sons of alcohol-dependent fathers have been found to have higher rates of the fast beta wave, not lower. 
(D) High levels of serotonin have been associated with impulsivity, aggressiveness, and antisocial behavior, but this is not a specific marker of vulnerability to alcohol. 
(E) Men who show the greatest increases in heart rate may actually be more vulnerable to developing alcohol use disorder, as this may indicate a greater sensitivity to the effects of alcohol.

Which of the Following Statements Is True Regarding Markers of Vulnerability