#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
What is a common effect of consuming psychoactive substances?
Increased heart rate
ExplanationDue to their stimulating effects on the nervous system.
#7
Which neurotransmitter is commonly affected by psychoactive substances?
Serotonin
ExplanationIt regulates mood, sleep, and appetite, often influenced by psychoactive substances.
#8
Which of the following is a stimulant psychoactive substance?
Cocaine
ExplanationIt increases alertness, energy, and euphoria by affecting dopamine levels in the brain.
#9
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.
#10
Which of the following is a depressant psychoactive substance?
Alcohol
ExplanationIt slows down brain function and impairs judgment, coordination, and reflexes.
#11
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.
#12
What is a symptom of narcolepsy?
Cataplexy
ExplanationA sudden loss of muscle tone triggered by emotions, leading to weakness or collapse.
#13
What is a symptom of sleep apnea?
Excessive daytime sleepiness
ExplanationCaused by interrupted sleep patterns due to breathing pauses during the night.
#14
What is a symptom of sleepwalking?
Walking or performing other complex behaviors while asleep
ExplanationOccurs during non-REM sleep stages, often without conscious awareness.