Chapter 2: Heredity, Environment, Psychoactive Drugs Flashcards
Which of the following routes of administration acts the slowest upon the brain?
” A. injecting
“ B. inhaling
“ C. oral ingestion
“ D. contact (transdermal) absorption
D. Contact (transdermal) absorption
When a drug is injected, how long does it take for the drug to reach the brain?
” A. instantly
“ B. 7-10 seconds
“ C. 15 to 30 seconds
“ D. 3 to 5 minutes
C. 15 to 30 seconds
Another word for putting powdered cocaine under the tongue is
A. contact absorption.
B. sublingual.
C. buccal.
D. insufflation.
B. Sublingual
The main barrier that drugs have to cross to affect the body is the
” A. blood-brain barrier.
“ B. aorta barrier.
“ C. lymphatic barrier.
“ D. drug-brain barrier.
A. blood-brain barrier
A child’s circulatory system contains about how much blood?
A. 3–4 quarts of blood
B. 5–6 quarts of blood
C. 7–8 quarts of blood
D. 9–10 quarts of blood
A. 3-4 quarts of blood
How many nerve cell connections are in the nervous system?
” A. 100 million.
“ B. 10 billion
“ C. 100 billion
“ D. 100 trillion
D. 100 trillion
Which of the following is a function of the new brain?
A. emotional memories
B. drug craving
C. heart rate
D. creativity
D. creativity
Which of the following is a part of a neurone?
” A. blood-brain barrier
“ B. terminals
“ C. capillaries
“ D. synaptic gap
b. terminals
The gap between neurotransmitters is the
A. synapse.
B. vacuole.
C. axon.
D. soma.
A. synapse
Within the neuron, what is stored in vesicles?
” A. mitochondria
“ B. neurotransmitters
“ C. axons
“ D. sodium ions
B. neurotransmitters
When a substance originates outside the body, it is
A. endogenous.
B. exogenous.
C. synthetic.
D. all of the above.
B. exogenous
The mechanism that accepts neurotransmitters is a
” A. neuron.
“ B. receptor.
“ C. antagonist.
“ D. agonist.
B. Receptor
Drugs that bind to receptors and block the effects of neurotransmitters are
” A. agonists.
“ B. inverse agents.
“ C. antagonists.
“ D. reverse agents.
C. Antagonists
Which is NOT a type of tolerance?
” A. select tolerance
“ B. pharmacodynamic tolerance
“ C. delayed tolerance
“ D. dispositional tolerance
C. delayed tolerance
Which is NOT a type of withdrawal?
” A. pharmacodynamic withdrawal
“ B. purposive withdrawal
“ C. nonpurposive withdrawal
“ D. delayed withdrawal
A. pharmacodynamic withdrawal
Which is a NOT a desired effect of psychoactive drugs?
A. to alleviate emotional pain
B. to get energy
C. to get a rush
D. to increase depression
D. to increase depression
In levels of use terminology, abuse means:
A. drug-seeking behavior.
B. a definite pattern of use.
C. continued use of the drug despite negative consequences. D. to experience compulsion of use.
C. continued use of the drug despite the negative consequences
The T in SPECT stands for?
A. topography
B. topical
C. television
D. tomography
D. tomography
Which is NOT a genetic research technique?
A. twin studies
B. retrospective studies
C. biologic family records
D. liver biopsies
D. liver biopsy’s
Which will NOT cause a sober mouse to become an alcoholic mouse?
A. nutrition
B. genes
C. stress
D. excess alcohol
B. genes
When there is internal conflict, the new brain will usually override the old brain.
A. True
B. False
B. False
The nucleus accumbens is found in the old brain.
A. True
B. False
A. True
Psychoactive drugs cannot create sensations or feelings that don’t have a natural counterpart in the body.
A. True
B. False
A. True
The neurotransmitter most responsible for stimulating the reward/reinforcement center is GABA.
A. True
B. False
B. False
The most addicting drug is alcohol.
A. True
B. False
B. False
