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TOXICOLOGY 2 > Chapter 2: Heredity, Environment, Psychoactive Drugs > Flashcards

Chapter 2: Heredity, Environment, Psychoactive Drugs Flashcards

1
Q

Which of the following routes of administration acts the slowest upon the brain?

” A. injecting
“ B. inhaling
“ C. oral ingestion
“ D. contact (transdermal) absorption

A

D. Contact (transdermal) absorption

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2
Q

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

A

C. 15 to 30 seconds

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3
Q

Another word for putting powdered cocaine under the tongue is

A. contact absorption.
B. sublingual.
C. buccal.
D. insufflation.

A

B. Sublingual

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4
Q

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

A. blood-brain barrier

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5
Q

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

A. 3-4 quarts of blood

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6
Q

How many nerve cell connections are in the nervous system?

” A. 100 million.
“ B. 10 billion
“ C. 100 billion
“ D. 100 trillion

A

D. 100 trillion

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7
Q

Which of the following is a function of the new brain?

A. emotional memories
B. drug craving
C. heart rate
D. creativity

A

D. creativity

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8
Q

Which of the following is a part of a neurone?

” A. blood-brain barrier
“ B. terminals
“ C. capillaries
“ D. synaptic gap

A

b. terminals

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9
Q

The gap between neurotransmitters is the

A. synapse.
B. vacuole.
C. axon.
D. soma.

A

A. synapse

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10
Q

Within the neuron, what is stored in vesicles?

” A. mitochondria
“ B. neurotransmitters
“ C. axons
“ D. sodium ions

A

B. neurotransmitters

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11
Q

When a substance originates outside the body, it is

A. endogenous.
B. exogenous.
C. synthetic.
D. all of the above.

A

B. exogenous

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12
Q

The mechanism that accepts neurotransmitters is a

” A. neuron.
“ B. receptor.
“ C. antagonist.
“ D. agonist.

A

B. Receptor

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13
Q

Drugs that bind to receptors and block the effects of neurotransmitters are

” A. agonists.
“ B. inverse agents.
“ C. antagonists.
“ D. reverse agents.

A

C. Antagonists

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14
Q

Which is NOT a type of tolerance?

” A. select tolerance
“ B. pharmacodynamic tolerance
“ C. delayed tolerance
“ D. dispositional tolerance

A

C. delayed tolerance

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15
Q

Which is NOT a type of withdrawal?

” A. pharmacodynamic withdrawal
“ B. purposive withdrawal
“ C. nonpurposive withdrawal
“ D. delayed withdrawal

A

A. pharmacodynamic withdrawal

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16
Q

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

A

D. to increase depression

17
Q

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.

A

C. continued use of the drug despite the negative consequences

18
Q

The T in SPECT stands for?

A. topography
B. topical
C. television
D. tomography

A

D. tomography

19
Q

Which is NOT a genetic research technique?

A. twin studies
B. retrospective studies
C. biologic family records
D. liver biopsies

A

D. liver biopsy’s

20
Q

Which will NOT cause a sober mouse to become an alcoholic mouse?

A. nutrition
B. genes
C. stress
D. excess alcohol

A

B. genes

21
Q

When there is internal conflict, the new brain will usually override the old brain.

A. True
B. False

A

B. False

22
Q

The nucleus accumbens is found in the old brain.

A. True
B. False

A

A. True

23
Q

Psychoactive drugs cannot create sensations or feelings that don’t have a natural counterpart in the body.

A. True
B. False

A

A. True

24
Q

The neurotransmitter most responsible for stimulating the reward/reinforcement center is GABA.

A. True
B. False

A

B. False

25
Q

The most addicting drug is alcohol.

A. True
B. False

A

B. False

TOXICOLOGY 2 (7 decks)

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