Question 1

Which of the following best describes the concept of 'selective attention' as discussed in the study materials?

Accepted Answer

The process of focusing conscious awareness on a particular stimulus while ignoring others.

Question 2

A person who is in a coma is described as noncommunicative but not brain dead. What does this imply about their brain activity?

Accepted Answer

They show some brain activity but lack conscious awareness and communication.

Question 3

Which hormone is primarily responsible for making you feel hungry, and which one suppresses hunger?

Accepted Answer

Ghrelin increases hunger; leptin decreases hunger.

Question 4

What is the main function of REM sleep according to the study materials?

Accepted Answer

To support cognitive functions such as memory consolidation and creative thinking.

Question 5

A student pulls several all-nighters to study for exams. According to the materials, which of the following is a likely consequence?

Accepted Answer

Increased risk of accidents and weight gain due to hormonal changes.

Question 6

Which of the following best explains why deep sleep is important for physical health?

Accepted Answer

Deep sleep allows for the release of growth hormone, supporting tissue repair and growth.

Question 7

If a person’s circadian rhythm is disrupted, which of the following is a likely effect?

Accepted Answer

Increased production of melatonin during the day.

Question 8

Which brain wave pattern is most commonly associated with relaxed wakefulness just before falling asleep?

Accepted Answer

Alpha waves

Question 9

A tennis player develops 'tennis elbow' after repeatedly playing without rest. According to the materials, what is a likely explanation?

Accepted Answer

The cartilage in the joint has worn out due to lack of sleep and overuse.

Question 10

Which of the following best describes the difference between manifest content and latent content of dreams?

Accepted Answer

Manifest content is the literal storyline; latent content is the hidden psychological meaning.

Question 11

Which of the following scenarios best illustrates the concept of 'autopilot' in unconscious processing?

Accepted Answer

A person driving home and realizing they don’t remember the last few miles.

Question 12

Which of the following is a likely effect of chronic sleep deprivation?

Accepted Answer

Increased abdominal fat and weakened immune system.

Question 13

Which of the following best explains why REM sleep is sometimes called 'paradoxical sleep'?

Accepted Answer

The body is completely still, but the brain is highly active.

Question 14

A person who frequently uses cocaine or methamphetamine may experience which of the following effects on their nervous system?

Accepted Answer

Decreased nerve insulation and increased risk of nerve damage.

Question 15

Which of the following best describes the role of melatonin in the sleep-wake cycle?

Accepted Answer

Melatonin is released in darkness and promotes sleepiness.

Question 16

If a person is deprived of REM sleep for several nights, what is a likely outcome when they are finally allowed to sleep normally?

Accepted Answer

They will experience a REM rebound, with increased REM sleep.

Question 17

Which of the following is most likely to occur during deep NREM sleep?

Accepted Answer

Delta waves and physical restoration.

Question 18

A person who is more accident-prone after staying up all night is likely experiencing which of the following effects?

Accepted Answer

Impaired selective attention and slower reaction times.

Question 19

Which of the following best illustrates the application of the 'tuning out' phenomenon in everyday life?

Accepted Answer

Ignoring background noise while focusing on a conversation in a busy restaurant.

Question 20

Which of the following is a multi-step process that explains how sleep supports growth and immune function?

Accepted Answer

During deep sleep, the body releases growth hormone, which aids tissue repair and strengthens the immune system.

Consciousness and Sleep: Key Concepts and Processes

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