A drug that blocks the effects of a neurotransmitter is a(n) ____: a drug that m

Question

A drug that blocks the effects of a neurotransmitter is a(n) ____: a drug that mimics or increases the effects is a (n) ____. a. neuromodulator: synergist b. agonist: antagonist c. depressant: stimulant d. antagonist: agonist To say that a drug has an affinity for a particular type of receptor is to imply that the drug ____. a. breaks down neurotransmitter chemicals at that receptor site b. will always excite the postsynaptic receptor c. will always inhibit the postsynaptic receptor d. binds to that receptor Which neurotransmitter has been repeatedly connected with addictive drugs? a. epinephrine b. acetylcholine c. serotonin d. dopamine As an addiction develops, many of its effects, especially the enjoyable effects, decrease, a phenomenon known as ___. a. tolerance b. craving c. withdrawal d. abstinence

Explanation / Answer

52. c) depressant ; stimulant - A stimulant would be a substance what would "Stimulate" your senses. A High feeling and weather it be chattery, euphoria, alertness, hyperactive etc A depressant will bring you down.

53.d) binds to that receptor

54.d) DOPAMINE -it is the neurotransmitter that is associated with focus, motivation, and addiction. It is responsible for our drives and feelings of pleasure

55.a) tolerance- it is a reduced reaction to a drug following its repeated use. Increasing its dosage may re-amplify the drug's effects, however this may accelerate tolerance, further reducing the drug's effects.

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