Question 1

Which stage of sleep is most associated with vivid dreaming and rapid eye movements?

Accepted Answer

REM sleep

Question 2

A patient reports feeling tired and irritable after several nights of poor sleep. Which of the following is a likely physiological effect of chronic sleep loss?

Accepted Answer

Increased sympathetic nervous system activation

Question 3

Which of the following best describes the function of circadian rhythms?

Accepted Answer

They help synchronize physiological processes to a 24-hour cycle.

Question 4

A researcher observes that after REM sleep deprivation, subjects experience longer periods of REM sleep in subsequent nights. This phenomenon is known as:

Accepted Answer

REM rebound

Question 5

Which of the following is NOT a characteristic of REM sleep?

Accepted Answer

High amplitude, slow EEG waves

Question 6

A person who is aware that they are dreaming and can sometimes control the dream's content is experiencing:

Accepted Answer

Lucid dreaming

Question 7

Which of the following drugs is classified as a psychostimulant and is associated with increased alertness and energy?

Accepted Answer

Cocaine

Question 8

Alcohol withdrawal can produce a syndrome of symptoms. Which of the following is NOT typically associated with alcohol withdrawal?

Accepted Answer

Euphoria

Question 9

Which equation best represents the concept of drug tolerance, where the required dose to achieve the same effect increases over time?

Accepted Answer

$$D_{n} = D_{0} + n 	imes k$$

Question 10

A person who uses a drug to avoid withdrawal symptoms is demonstrating which type of addiction?

Accepted Answer

Physical addiction

Question 11

Which of the following statements about caffeine is correct?

Accepted Answer

It can cause increased alertness and decreased fatigue.

Question 12

Which of the following is a common chronic effect of marijuana use?

Accepted Answer

Deficits in respiratory function and increased risk of chronic cough

Question 13

A person who believes they are not intoxicated after drinking alcohol, and therefore acts sober, is demonstrating which psychological concept?

Accepted Answer

Cognitive behavioral model

Question 14

Which of the following is a physiological effect of heroin use?

Accepted Answer

Decreased pain perception and euphoria

Question 15

Which of the following best describes the concept of 'red flush' after alcohol consumption?

Accepted Answer

Dilation of blood vessels in the skin, leading to increased body temperature

Question 16

Which of the following is a plausible consequence of sleep deprivation on cognitive performance?

Accepted Answer

Impaired attention and memory

Question 17

Which of the following is a correct statement about the administration of drugs via inhalation?

Accepted Answer

It has a rapid onset of effects but can damage the lungs.

Question 18

A person who experiences vivid dreams, muscle paralysis, and irregular heart rate is most likely in which sleep stage?

Accepted Answer

REM sleep

Question 19

Which of the following is a common withdrawal symptom of cocaine?

Accepted Answer

Fatigue and depression

Question 20

Which of the following best explains the compensatory response in classical conditioning related to drug tolerance?

Accepted Answer

The body produces a response opposite to the drug's effect when exposed to cues associated with drug use.

Psychology Chapter 5: Consciousness, Sleep, and Psychoactive Drugs

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