Pschy
A common psychological effect of alcohol intake is
reduced inhibition
Johanna, a high school senior, starts experiencing disruptions in her movement when she cannot contract certain muscles. Which of the following neurotransmitters is most likely involved in this disruption of the muscle contraction?
acetylcholine
Mrs. Downing is 80 years old and lives in an assisted living facility. She often stops speaking in the middle of sentences because she can't remember the topic being discussed. She also tries on most days to leave the facility so she can get home to cook dinner for her family. The depletion of which of the following neurotransmitters is most closely associated with the symptoms of Alzheimer's disease that Mrs. Downing is likely experiencing?
acetylcholine
An individual who drinks alcohol daily finds it necessary to drink increasing amounts to achieve the state of well-being attained in the past. This individual is showing
alcohol tolerance
When a person is suffering from severe pain, the type of drug that will best help alleviate that pain is
an opiate
Curare blocks action at acetylcholine synapses and causes paralysis. This drug is an example of an
antagonist
The neurotransmitter that is primarily associated with the feeling of wanting something is
dopamine
Richard is in a substance abuse treatment center because of his addiction to stimulants. He is experiencing withdrawal symptoms, so he drinks several large caffeinated sodas throughout the day to curb his symptoms. Caffeine is in the same class as which of the following drugs?
cocaine
Holly was injured in a car accident. Her doctor prescribed a medication that increases the action of endorphins to decrease pain. Which of the following statements best describes this medication?
It functions as an agonist.
A sample of pregnant women is given a high dose of caffeine daily to determine if their babies are born with an addiction to caffeine. Which of the following is an ethical issue in this study?
There is possible long-term harm to the babies.
Dopamine, norepinephrine, and acetylcholine are all
neurotransmitters that excite or inhibit a neural signal across a synapse
