AP Psychology 1 Biological Bases of Behavior Questions

Review AP Psychology Unit 1 through nervous systems, neural transmission, brain functions, sleep, sensory thresholds, and visual, auditory and body senses.

Syllabus
Effective Fall 2025
Course
AP Psychology

Exam points

  • apply nervous-system divisions, neuron signalling and neurotransmitter action to behaviour
  • localise behavioural functions in brain regions and interpret plasticity or scanning evidence
  • use circadian rhythms, sleep stages and REM evidence to explain performance or sleep behaviour
  • distinguish sensory thresholds and apply visual or auditory structures to perception
  • apply touch, pain, vestibular and kinesthetic processes to bodily sensation and movement

Question 1

[Maximum number: 1]

Simone finds herself frequently panicked when surprising things happen. What part of the peripheral nervous system likely accounts for Simone's reactions?

A

Prefrontal cortex

B

Sympathetic nervous system

C

Somatic nervous system

D

Amygdala

Question 2

[Maximum number: 2]

Ashley planned to drive from New York to California to attend college. However, shortly after departing, she became uncertain about which roads to take and called her parents for assistance with directions. Because she was distracted, she drove off the side of the road and grazed the front bumper of her car on the guardrail.

Fortunately, the car was not too badly damaged, so she continued on her journey. Although she ultimately made it to California, she had a lingering fear of guardrails for several months following her experience.

Question (a)

(a)

Part A Explain how each of the following might have helped Ashley drive from New York to California.

Definitions alone will not score.

- Motor neurons

- Retinal disparity

- Heuristic

[ 1 ]

Question (i)

(i)

Motor neurons

[ 1 ]

Question (b)

(b)

Part B Explain how each of the following might have led Ashley to have a negative experience on her trip from New York to California. Definitions alone will not score.

- Circadian rhythms

- Conditioned response

[ 1 ]

Question (i)

(i)

Circadian rhythms

[ 1 ]

Question 3

[Maximum number: 1]

Chandler and Alex were transferred to a new city and needed to find a new home. They carefully considered every house within their price range and finally purchased one that met all their criteria.

Explain how each of the following is related to their decision to buy the home.

- Prefrontal cortex One month before the move, Chandler and Alex asked friends to help them organize and pack their belongings.

One week before the scheduled moving day, they learned that they needed to move out within 48 hours, so they quickly finished packing.

Prefrontal cortex

Question 4

[Maximum number: 1]

Ruth is bored at home alone, so she decides to watch a scary movie. At the most tense part of the movie, when a large, scary-looking creature is being chased through the village by an angry mob, Ruth's roommate Lynn comes home unexpectedly and flips on the lights. Ruth is startled and spills her hot chocolate on herself.

Part C The next morning, Lynn tells Ruth that she saw her sleepwalking and she must have been acting out a dream of being chased by the creature.

- Explain why Lynn's assumption is likely incorrect.

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