Glencoe Biology

Section 4: Effects of Drugs

Self-Check Quizzes

1
A (an) ____ is a natural or artificial substance that alters the function of the body.
A)ion
B)neuron
C)drug
D)pons
2
Chemical fumes that influence the nervous system are called ____.
A)inhalants
B)stimulants
C)neurotransmitters
D)dendrites
3
Alcohol is an example of what type of drug?
A)stimulant
B)depressant
C)inhalant
D)prescription
4
Which of these statements is not true regarding drugs that effect the nervous system?
A)They can permanently replace neurotransmitters in the brain.
B)They can imitate a neurotransmitter.
C)They can prevent neurotransmitters from leaving a synapse.
D)They can block a receptor site on a dendrite.
5
Which of these would not be a factor in drug addiction?
A)decreased dopamine level after quiting
B)tolerance to a depressant
C)normal dopamine level maintained during drug use
D)increased dopamine level due to a drug
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