Psyc Quiz 4

A human sperm cell contains 23 chromosomes. 46 chromosomes. 23 genes. 46 genes.

23 chromosomes.

Evidence suggests that we consolidate our memories of recent life events through REM sleep. hypnagogic sensations. neuroadaptation. dissociation.

REM sleep.

Identical twins originate from the fertilization of a single egg cell by two sperm cells. two egg cells by a single sperm cell. a single egg cell by a single sperm cell. two egg cells by two sperm cells.

a single egg cell by a single sperm cell.

Jim faced a considerable amount of peer pressure during his childhood and adolescence that Bob did not. Compared to Bob, at 22 years of age, Jim is statistically more likely to have achieved a higher GPA in college all of these had sex at an earlier age experimented with drugs

all of these

Compared with fraternal twins, identical twins are much more similar in extraversion. temperament. neuroticism. all of these characteristics.

all of these characteristics.

Chromosomes are contained within muscle cells. brain cells. all of these types of cells. sperm cells.

all of these types of cells.

Dreams often involve sudden emotional reactions and surprising changes in scene. This best serves to support the theory that dreams strengthen our memories of the preceding day's events. prepare us for the stress and challenges of the following day. are triggered by random bursts of neural activity. reflect one's level of cognitive development.

are triggered by random bursts of neural activity.

Depressants are drugs such as nicotine and caffeine. barbiturates and opiates. cocaine and amphetamines. marijuana and LSD.

barbiturates and opiates.

When cocaine is snorted, free-based, or injected, it produces a rush of euphoria by triggering a state of dissociation. increasing the occurrence of alpha waves. blocking the reuptake of dopamine and norepinephrine. producing hallucinations.

blocking the reuptake of dopamine and norepinephrine.

Which of the following psychoactive drugs is most likely to impair people's ability to sleep? heroin marijuana alcohol caffeine

caffeine

We share 98.5% of our genetic code with chimpanzees other humans rhesus monkeys bananas

chimpanzees

Soon after taking a psychoactive drug, Zachary experienced a diminished appetite, an increased pulse rate, dilated pupils, and feelings of self-confidence and euphoria. Zachary most likely experienced the effects of cocaine. heroin. LSD. marijuana.

cocaine.

Stimulants ________ appetite and ________ self-confidence. increase; increase decrease; increase decrease; decrease increase; decrease

decrease; increase

Repeated use of an opiate is not associated with any serious withdrawal symptoms. increases heart and breathing rates. triggers auditory as well as visual hallucinations. decreases the brain's production of endorphins.

decreases the brain's production of endorphins.

The use of barbiturates ________ anxiety and ________ nervous system activity. increases; decreases decreases; decreases decreases; increases increases; increases

decreases; decreases

Chromosomes are composed of deoxyribonucleic acid. synapses. schemas. neurotransmitters.

deoxyribonucleic acid.

In large doses, alcohol is a ________; in small amounts, it is a ________. depressant; depressant stimulant; stimulant depressant; stimulant stimulant; depressant

depressant; depressant

The reckless aggressive behavior that may follow alcohol consumption best illustrates that alcohol may act as a(n) hallucinogen. disinhibitor. methamphetamine. stimulant.

disinhibitor.

An infant's temperament refers most directly to its social connectedness. physical health. ability to learn. emotional excitability.

emotional excitability.

According to Freud, the dreams of adults can be traced back to random bursts of neural activity. stressful life events. erotic wishes. physiological needs for brain stimulation.

erotic wishes.

The greatest danger of viewing drug addiction as a disease is that this may lead drug addicts to hide the drug abuse from public view. feel powerless to overcome the addiction. become victims of social hostility and prejudice. feel increased feelings of shame.

feel powerless to overcome the addiction.

Young teens are most likely to start smoking in order to reduce their blood pressure. trigger the release of lymphocytes. reduce their mental alertness. gain social acceptance.

gain social acceptance.

A segment of DNA capable of synthesizing a specific protein is called a neurotransmitter. gene. gender schema. chromosome.

gene.

The biochemical units of heredity that make up the chromosomes are called genes. schemas. neurotransmitters. hormones.

genes.

By decreasing REM sleep, alcohol consumption disrupts the processing of recent experiences into long-term memory. This disruption occurs because REM sleep helps fix the day's experiences into permanent memories. relaxes muscles while other body systems are active. triggers the release of melatonin. enhances metabolic and hormonal functioning.

helps fix the day's experiences into permanent memories.

Twin studies suggest that Alzheimer's disease is influenced by gender typing. gender schemas. heredity. testosterone.

heredity.

According to Freud, the latent content of a dream refers to the previous day's events that prompted the dream. its underlying but censored meaning. its accompanying brain-wave pattern. the sensory stimuli in the sleeping environment that are incorporated into the dream.

its underlying but censored meaning.

THC, the active ingredient in ________, is classified as a ________. cocaine; hallucinogen marijuana; hallucinogen marijuana; stimulant cocaine; stimulant

marijuana; hallucinogen

DNA is a complex synapse. gender schema. molecule. sex hormone.

molecule.

Under the influence of alcohol, angered people are ________ likely to be aggressive than they would otherwise be and restaurant patrons are ________ likely to tip generously than they otherwise would. less; less less; more more; less more; more

more; more

Symptoms of drug withdrawal are likely to be most severe among those with low levels of drug tolerance. equally severe among those with low, moderate, or high levels of drug tolerance. most severe among those with high levels of drug tolerance. most severe among those with moderate levels of drug tolerance.

most severe among those with high levels of drug tolerance.

The change in brain chemistry that offsets the effects of a psychoactive drug is called narcolepsy. disinhibition. neuroadaptation. dissociation.

neuroadaptation.

Morphine and heroin are hallucinogens. amphetamines. barbiturates. opiates.

opiates.

Adoptive parents are LEAST likely to influence the ________ of their adopted children. moral values personality traits political attitudes religious beliefs

personality traits

Physical pain and intense cravings indicate narcolepsy. physical dependence. dissociation. REM rebound.

physical dependence.

Chemical substances that alter perceptions and moods are called ________ drugs. neuroadaptive psychoactive hypnagogic narcoleptic

psychoactive

Although Max never experiences caffeine withdrawal symptoms, he feels that he needs coffee every morning as part of his daily routine. Max best illustrates REM rebound. the pop-out phenomenon. narcolepsy. psychological dependence.

psychological dependence.

Amphetamines are to ________ as barbiturates are to ________. stimulants; depressants stimulants; hallucinogens hallucinogens; stimulants hallucinogens; depressants

stimulants; depressants

After a stressful day at the office, Arthur has five or six drinks at a local bar before going home for dinner. Research suggests that Arthur's heavy drinking will have the most adverse effect on his ability to remember at the time he is drinking the name of his employer and his own home address. the next day the names of the people he talked to and what he said while drinking. the next day the names of the business associates he talked to before going to the bar. at the time he is drinking the names of the people he has just met.

the next day the names of the people he talked to and what he said while drinking.

The need to take larger and larger doses of a drug before experiencing its effects is an indication of tolerance. withdrawal. narcolepsy. dissociation.

tolerance.

When Celeste was unable to obtain her regular supply of heroin, she began to develop pain and an intense craving for the drug. Celeste was experiencing symptoms of tolerance. narcolepsy. dissociation. withdrawal.

withdrawal.

Prolonged and excessive drinking can shrink the brain most intensely in ________ who have ________ of a stomach enzyme that digests alcohol. women; more men; more women; less men; less

women; less

An altered state of consciousness similar to that of a near-death experience is most likely to result from the use of heroin. marijuana. cocaine. LSD.

LSD

Which of the following is a psychedelic drug? LSD cocaine heroin nicotine

LSD