#1
Which of the following is a psychoactive substance?
Caffeine
ExplanationCommonly found in coffee and tea, it stimulates the central nervous system.
#2
Which of the following sleep disorders is characterized by difficulty falling asleep or staying asleep?
Insomnia
ExplanationIt disrupts regular sleep patterns and can lead to daytime fatigue and irritability.
#3
Which sleep disorder is characterized by pauses in breathing or shallow breathing during sleep?
Sleep apnea
ExplanationIt can lead to daytime sleepiness, fatigue, and even serious health complications.
#4
Which sleep disorder is characterized by sudden and uncontrollable episodes of falling asleep during the day?
Narcolepsy
ExplanationIt affects the brain's ability to regulate sleep-wake cycles, leading to excessive daytime sleepiness.
#5
Which sleep disorder is characterized by episodes of abrupt awakening from sleep, usually accompanied by intense fear or anxiety?
Night terrors
ExplanationOften occurs during non-REM sleep stages, leading to confusion and distress.
#6
Which sleep disorder is characterized by a sudden loss of muscle tone, often triggered by emotions such as laughter or surprise?
Cataplexy
ExplanationAffects individuals with narcolepsy, resulting in temporary muscle weakness.
#7
What is a common effect of consuming psychoactive substances?
Increased heart rate
ExplanationDue to their stimulating effects on the nervous system.
#8
Which neurotransmitter is commonly affected by psychoactive substances?
Serotonin
ExplanationIt regulates mood, sleep, and appetite, often influenced by psychoactive substances.
#9
Which of the following is a stimulant psychoactive substance?
Cocaine
ExplanationIt increases alertness, energy, and euphoria by affecting dopamine levels in the brain.
#10
What is a potential consequence of long-term use of psychoactive substances?
Increased risk of addiction
ExplanationDue to alterations in brain chemistry and reward pathways.
#11
Which of the following is a depressant psychoactive substance?
Alcohol
ExplanationIt slows down brain function and impairs judgment, coordination, and reflexes.
#12
Which of the following is a hallucinogen psychoactive substance?
LSD
ExplanationIt alters perception, mood, and thought, often causing visual hallucinations.
#13
What is a common effect of psychoactive substances on the brain?
Increased serotonin levels
ExplanationThis can result in mood elevation and changes in perception.
#14
Which of the following is a potential consequence of chronic sleep deprivation?
Increased risk of obesity
ExplanationDue to disruptions in hormones regulating appetite and metabolism.
#15
Which of the following is a sedative-hypnotic psychoactive substance?
Benzodiazepines
ExplanationThey depress the central nervous system and induce relaxation and sleep.
#16
What is a common effect of psychoactive substances on the body?
Increased blood pressure
ExplanationDue to the stimulatory effects on the cardiovascular system.
#17
Which of the following is a potential consequence of using stimulant psychoactive substances?
Increased heart rate
ExplanationResulting from the drugs' effects on the sympathetic nervous system.
#18
Which of the following is a prescription medication used to treat narcolepsy?
Modafinil
ExplanationIt promotes wakefulness and reduces excessive daytime sleepiness.
#19
What is a common side effect of psychoactive substances?
Impaired judgment
ExplanationCan lead to risky behaviors and compromised decision-making abilities.
#20
Which of the following is a potential consequence of using depressant psychoactive substances?
Decreased respiratory rate
ExplanationIt suppresses the central nervous system, leading to slowed breathing and heart rate.
#21
Which of the following is a symptom of REM sleep behavior disorder?
Acting out dreams
ExplanationOccurs due to a lack of muscle paralysis during REM sleep.
#22
What is a symptom of narcolepsy?
Cataplexy
ExplanationA sudden loss of muscle tone triggered by emotions, leading to weakness or collapse.
#23
What is a symptom of sleep apnea?
Excessive daytime sleepiness
ExplanationCaused by interrupted sleep patterns due to breathing pauses during the night.
#24
What is a symptom of sleepwalking?
Walking or performing other complex behaviors while asleep
ExplanationOccurs during non-REM sleep stages, often without conscious awareness.