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PSY 121 Exam 4 MSU Questions and Answers
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PSY 121 Exam 4 MSU Questions and Answers
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PSY 121 Exam 4 MSUWhich neurotransmitter is very active in the brain as a result of sensation-seeking behavior? - Answer-
Dopamine
Which neurotransmitter is responsible for the "runner's high" after an intense period of exercise? -
Answer-Endorphins
Most psychologists define consciousness as the awareness of our ______ and __________ environment.
- Answer-internal; external
This altered state of consciousness involves training the mind by using focused and regulated breathing,
minimization of distractions, and mental imagery. - Answer-Meditation
Syed is sitting in a bustling restaurant listening to his friend talk about the test he just took. Syed is
interested in the conversation because he is taking the test tomorrow but all of a sudden his interest is
drawn across the room because he heard his name spoken. This is called ___________________. -
Answer-cocktail party phenomenon
Sasha has her laptop open in class and is watching funny cat videos while the professor talks. After class
is over, she hears the other students talking about the quiz they are having Friday. Which phenomenon
explains why Sasha didn't hear her professor talk about the quiz? - Answer-Selective inattention
,Multiple studies have shown that when students multitask during class or studying - Answer-they do
not learn effectively, which leads to lower grades.
Brain waves that are lowest in frequency and highest in amplitude are called _____________ waves. -
Answer-delta
Select the correct order of brain waves from actively awake to deep sleep. - Answer-beta, alpha, theta,
delta
Choose the correct pairing of characteristic brain waves with their stages of sleep. - Answer-Stage W ||
Beta Waves
Stage N1 || Alpha Waves
Stage N2 || Theta Waves
Stage N3 || Delta Waves
One of the many reasons psychologists believe we need to sleep is that our bodies tire during the day,
and sleep helps the body recuperate and function at maximum capacity. This is a description of which
theory? - Answer-Body restoration
In which stage of sleep do vivid dreams typically occur? - Answer-REM
Our ___________is a biological clock responsible for the regulation of body temperature and levels of
arousal during our sleep and wake cycle. - Answer-circadian rhythm
The brain waves with the highest amplitude are referred to as _________ waves. - Answer-delta
Beta waves are associated with ___________, while theta waves are characteristic of the __________
stage. - Answer-alert wakefulness; N2
, Billy is having trouble with insomnia. He has difficulty going to sleep and wakes up numerous times
throughout the night. Based on what you know about sleep hygiene, what should you recommend he
start doing? - Answer-Go to bed and get up at the same time each day
According to Freud, the latent content of our dreams is __________ and contains the repressed _______
and drives of the dreamer. - Answer-unconscious; wishes
Depressants _____________ the functioning of the central nervous system. Some examples of these
drugs include alcohol, __________, and ____________. - Answer-decrease; barbiturates;
benzodiazepines
Which of the following correctly pairs the class of drugs with specific drugs from that category? -
Answer-depressants = Xanax
stimulants = Methamphetamine
narcotics = Oxycodone
hallucinogens = LSD
Kirsten started taking her mother's prescription for Vicodin. While this drug use doesn't appear to be
significantly affecting her life in any way, she has noticed over the past few months that she needs to
take more Vicodin to feel its effects. Kirsten is experiencing ____________. - Answer-Physiological
dependence
Darrin started using drugs when he was 15 . He started by taking morphine that was given to him by his
friend. Now, at age 20, Darrin shoots heroin as often as he can. He does not have a job, lives on the
street most of the time, and spends his days trying to get money to buy drugs. If he is unable to get any
heroin for a day or two, he gets very sick. His entire body hurts, he has diarrhea, and he sweats
uncontrollably. Which of the following is Darrin experiencing? - Answer-all of the answers are correct
Physiological dependence on a substance typically includes __________ and __________ - Answer-
tolerance; withdrawal
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