UT Arlington PSYC 2301 Exam 2 (pdf) | 2026/2027 | Introduction to
Psychology Q&A |
1. Which of the following best defines consciousness?
A) A state of being asleep and unaware of one's surroundings
B) Our awareness of internal and external stimuli
C) The ability to focus on a single task
D) The process of encoding memories
Correct Answer: Our awareness of internal and external stimuli
Rationale: Consciousness describes our awareness of internal and external
stimuli. This includes awareness of physical sensations like pain and hunger,
as well as thoughts and emotions.
2. Biological rhythms are:
A) Patterns of behavior that are learned through experience
B) Internal rhythms of biological activity
C) The body's response to external stressors
D) Cycles of emotional highs and lows
Correct Answer: Internal rhythms of biological activity
Rationale: Biological rhythms are internal rhythms of biological activity that
occur in recurring, cyclical patterns. Examples include the menstrual cycle
and the sleep-wake cycle.
3. A circadian rhythm is a biological rhythm that takes place over a period of
about:
A) 12 hours
B) 24 hours
C) 7 days
D) 28 days
Correct Answer: 24 hours
,Rationale: A circadian rhythm is a biological rhythm that takes place over a
period of about 24 hours. Our sleep-wake cycle is the most obvious example
of a circadian rhythm.
4. The sleep-wake cycle is primarily linked to:
A) The body's internal temperature
B) The environment's natural light-dark cycle
C) The consumption of food
D) The level of physical activity
Correct Answer: The environment's natural light-dark cycle
Rationale: Our sleep-wake cycle is linked to our environment's natural light-
dark cycle. This is why we tend to feel sleepy when it gets dark and alert
when it is light.
5. Non-REM (NREM) sleep is subdivided into how many stages?
A) Two
B) Three
C) Four
D) Five
Correct Answer: Four
Rationale: Non-REM (NREM) sleep is subdivided into four stages,
distinguished from each other and from wakefulness by characteristic
patterns of brain waves.
6. Stage 1 sleep is best described as:
A) A period of deep sleep
B) A transitional phase between wakefulness and sleep
C) The stage in which most dreaming occurs
D) A state of complete muscle paralysis
,Correct Answer: A transitional phase between wakefulness and sleep
Rationale: Stage 1 sleep is a transitional phase that occurs between
wakefulness and sleep, the period during which we drift off to sleep. It is
relatively easy to wake someone from this stage.
7. Alpha waves, which are characteristic of stage 1 sleep, have what
frequency?
A) 4-7 Hz
B) 8-13 Hz
C) 14-30 Hz
D) 31-50 Hz
Correct Answer: 8-13 Hz
Rationale: Stage 1 sleep produces alpha waves, which are relatively low
frequency (8–13Hz). Theta waves (4-7 Hz) are even lower frequency.
8. During stage 2 sleep, a rapid burst of higher frequency brain waves that
may be important for learning and memory is called a:
A) Delta wave
B) Sleep spindle
C) K-complex
D) Theta wave
Correct Answer: Sleep spindle
Rationale: During stage 2 sleep, the body goes into a state of deep
relaxation. A sleep spindle is a rapid burst of higher frequency brain waves
that may be important for learning and memory.
9. Stages 3 and 4 of sleep are often referred to as:
A) REM sleep
B) Light sleep
, C) Deep sleep or slow-wave sleep
D) Paradoxical sleep
Correct Answer: Deep sleep or slow-wave sleep
Rationale: Stages 3 and 4 of sleep are often referred to as deep sleep or
slow-wave sleep because these stages are characterized by low frequency
(up to 4 Hz), high amplitude delta waves.
10. REM sleep is characterized by:
A) High brain activity and muscle paralysis
B) Low brain activity and muscle tone
C) The presence of delta waves
D) The absence of dreaming
Correct Answer: High brain activity and muscle paralysis
Rationale: REM sleep is the period of sleep in which dreaming occurs. It is
associated with paralysis of muscle systems in the body (except for those
that make circulation and respiration possible). REM sleep is often referred to
as paradoxical sleep because of this combination of high brain activity and
lack of muscle tone.
11. Freud's theory of dreams distinguishes between:
A) Conscious and unconscious content
B) Manifest content and latent content
C) Sensory and motor content
D) Emotional and logical content
Correct Answer: Manifest content and latent content
Rationale: Freud made distinctions between the manifest content (the actual
storyline of the dream) and the latent content (the hidden, symbolic
meaning) of dreams.
Psychology Q&A |
1. Which of the following best defines consciousness?
A) A state of being asleep and unaware of one's surroundings
B) Our awareness of internal and external stimuli
C) The ability to focus on a single task
D) The process of encoding memories
Correct Answer: Our awareness of internal and external stimuli
Rationale: Consciousness describes our awareness of internal and external
stimuli. This includes awareness of physical sensations like pain and hunger,
as well as thoughts and emotions.
2. Biological rhythms are:
A) Patterns of behavior that are learned through experience
B) Internal rhythms of biological activity
C) The body's response to external stressors
D) Cycles of emotional highs and lows
Correct Answer: Internal rhythms of biological activity
Rationale: Biological rhythms are internal rhythms of biological activity that
occur in recurring, cyclical patterns. Examples include the menstrual cycle
and the sleep-wake cycle.
3. A circadian rhythm is a biological rhythm that takes place over a period of
about:
A) 12 hours
B) 24 hours
C) 7 days
D) 28 days
Correct Answer: 24 hours
,Rationale: A circadian rhythm is a biological rhythm that takes place over a
period of about 24 hours. Our sleep-wake cycle is the most obvious example
of a circadian rhythm.
4. The sleep-wake cycle is primarily linked to:
A) The body's internal temperature
B) The environment's natural light-dark cycle
C) The consumption of food
D) The level of physical activity
Correct Answer: The environment's natural light-dark cycle
Rationale: Our sleep-wake cycle is linked to our environment's natural light-
dark cycle. This is why we tend to feel sleepy when it gets dark and alert
when it is light.
5. Non-REM (NREM) sleep is subdivided into how many stages?
A) Two
B) Three
C) Four
D) Five
Correct Answer: Four
Rationale: Non-REM (NREM) sleep is subdivided into four stages,
distinguished from each other and from wakefulness by characteristic
patterns of brain waves.
6. Stage 1 sleep is best described as:
A) A period of deep sleep
B) A transitional phase between wakefulness and sleep
C) The stage in which most dreaming occurs
D) A state of complete muscle paralysis
,Correct Answer: A transitional phase between wakefulness and sleep
Rationale: Stage 1 sleep is a transitional phase that occurs between
wakefulness and sleep, the period during which we drift off to sleep. It is
relatively easy to wake someone from this stage.
7. Alpha waves, which are characteristic of stage 1 sleep, have what
frequency?
A) 4-7 Hz
B) 8-13 Hz
C) 14-30 Hz
D) 31-50 Hz
Correct Answer: 8-13 Hz
Rationale: Stage 1 sleep produces alpha waves, which are relatively low
frequency (8–13Hz). Theta waves (4-7 Hz) are even lower frequency.
8. During stage 2 sleep, a rapid burst of higher frequency brain waves that
may be important for learning and memory is called a:
A) Delta wave
B) Sleep spindle
C) K-complex
D) Theta wave
Correct Answer: Sleep spindle
Rationale: During stage 2 sleep, the body goes into a state of deep
relaxation. A sleep spindle is a rapid burst of higher frequency brain waves
that may be important for learning and memory.
9. Stages 3 and 4 of sleep are often referred to as:
A) REM sleep
B) Light sleep
, C) Deep sleep or slow-wave sleep
D) Paradoxical sleep
Correct Answer: Deep sleep or slow-wave sleep
Rationale: Stages 3 and 4 of sleep are often referred to as deep sleep or
slow-wave sleep because these stages are characterized by low frequency
(up to 4 Hz), high amplitude delta waves.
10. REM sleep is characterized by:
A) High brain activity and muscle paralysis
B) Low brain activity and muscle tone
C) The presence of delta waves
D) The absence of dreaming
Correct Answer: High brain activity and muscle paralysis
Rationale: REM sleep is the period of sleep in which dreaming occurs. It is
associated with paralysis of muscle systems in the body (except for those
that make circulation and respiration possible). REM sleep is often referred to
as paradoxical sleep because of this combination of high brain activity and
lack of muscle tone.
11. Freud's theory of dreams distinguishes between:
A) Conscious and unconscious content
B) Manifest content and latent content
C) Sensory and motor content
D) Emotional and logical content
Correct Answer: Manifest content and latent content
Rationale: Freud made distinctions between the manifest content (the actual
storyline of the dream) and the latent content (the hidden, symbolic
meaning) of dreams.
