Question 1

Which of the following best describes the concept of 'conscious content' as discussed in the study materials?

Accepted Answer

The subjective experience of our thoughts, perceptions, and sense of self.

Question 2

A student is able to focus on a single conversation in a noisy cafeteria, ignoring other voices. This is an example of:

Accepted Answer

Selective attention

Question 3

Which brain structure is primarily responsible for regulating circadian rhythms by responding to light?

Accepted Answer

Suprachiasmatic Nucleus (SCN)

Question 4

A person who travels from Toronto to Tokyo experiences jet lag. What is the physiological basis for this phenomenon?

Accepted Answer

Disruption of the body's circadian rhythm due to a mismatch between local time and internal clock.

Question 5

During which stage of sleep do most vivid dreams occur, and what is a key feature of this stage?

Accepted Answer

REM sleep; brain activity is high but the body is paralyzed.

Question 6

If a person is deprived of REM sleep for several nights, what is most likely to occur?

Accepted Answer

They will experience REM rebound, spending more time in REM sleep when allowed to sleep normally.

Question 7

Which neurotransmitter is most closely associated with pleasure and is affected by many addictive drugs?

Accepted Answer

Dopamine

Question 8

A person who requires increasing amounts of a drug to achieve the same effect is experiencing:

Accepted Answer

Tolerance

Question 9

Which of the following best explains why stimulants like caffeine can lead to difficulty falling asleep if consumed late in the day?

Accepted Answer

Caffeine stimulates the nervous system, increasing alertness and delaying sleep onset.

Question 10

A patient presents with excessive daytime sleepiness and sudden uncontrollable sleep attacks lasting 10-20 minutes. Which sleep disorder is most likely?

Accepted Answer

Narcolepsy

Question 11

Which of the following is a plausible explanation for why REM sleep is important for learning and memory?

Accepted Answer

REM sleep helps consolidate synaptic connections in the brain.

Question 12

Which of the following drugs is classified as a depressant and is associated with impaired coordination and judgment at high doses?

Accepted Answer

Alcohol

Question 13

A person who wakes up in a panic, with open eyes and rapid breathing, but does not remember the event, is most likely experiencing:

Accepted Answer

Sleep terror (night terror)

Question 14

Which of the following best describes the effect of hallucinogens on consciousness?

Accepted Answer

They alter perception of reality, time, and space, often causing hallucinations.

Question 15

Which equation best represents the periodicity of the human circadian rhythm?

Accepted Answer

$$T = 24 \ \mathrm{hours}$$

Question 16

If a person’s EEG shows more than 50% delta waves, which stage of sleep are they most likely in?

Accepted Answer

Stage 4

Question 17

Which of the following is a common effect of opioid withdrawal?

Accepted Answer

Chills, sweating, insomnia, and vomiting

Question 18

A person who is able to perform a task automatically while focusing on another activity is demonstrating:

Accepted Answer

Divided attention

Question 19

Which of the following best explains the concept of 'inattentional blindness'?

Accepted Answer

Failing to notice a stimulus because attention is focused elsewhere.

Question 20

Which of the following best describes the difference between substance use and substance abuse?

Accepted Answer

Substance use is occasional, while substance abuse involves continued use despite negative consequences.

Consciousness, Sleep, and Psychoactive Substances: Anatomy & Physiology Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard