Alcohol is absorbed into the bloodstream through the
A. stomach.
B. large intestine.
C. small intestine.
D. esophagus.
Answer: C
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The first research identifying the activity of antibodies demonstrated that
A) the immunity was produced by B lymphocytes. B) the immunity was produced by T lymphocytes. C) the immunity could be transferred from one animal to another using the serum component of blood. D) the immunity could be transferred from one animal to another using the cellular component of blood.
The tunica media is
1. an endothelial cell lining. 2. the smooth muscle layer of the wall of a vein. 3. made up of connective tissue. 4. also called the tunica adventitia.
Which of the following is TRUE concerning the 911 Lifeline Law?
A. A person calling 911, who is under the age of twenty-one, will be cited for possessing or consuming, even in the event of a possible case of alcohol poisoning. B. The law was enacted to save an individual from dying of alcohol poisoning. C. The law encourages young people to learn how to estimate the level of drunkenness of someone who has passed out from consuming too much alcohol. D. Immunity from prosecution for minors is limited to the first four individuals who call 911 for help to report a possible case of alcohol poisoning. E. After the 911 call for help is made, all people present must leave the scene in order to give law enforcement and medical personnel plenty of space.
Which physiological change occurs as part of the fight-or-flight mechanism?
a. Oxygen intake falls. b. Heart rate increases. c. Blood pressure drops. d. Blood flow to the brain decreases. e. Blood flow to muscles decreases.