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Marlow Works

AP Psychology / Unit 1

Unit 1 · 15–25%

Biological Bases of Behavior

Neurons, the brain, and the nervous system.

Start first lessonUnit practice

Topics

  • Neurons and synapses
  • Neurotransmitters
  • Nervous and endocrine systems
  • Brain regions and networks

Lessons

Original practice

Marlow Works questions. If this unit does not have its own items yet, you will see other questions from the same course.

1 of 1Biological Bases of Behavior · medium · multiple choice

A medication blocks reuptake of a neurotransmitter in the synapse. What is the most likely immediate effect?

Original Marlow Works item — not a College Board question.

Take your time—this is practice, not a test.

Review checklist

  1. 01Trace a signal from dendrite to synapse.
  2. 02Name one brain region and a function it supports—not the only function it has.
  3. 03Explain why a correlation between a brain measure and a behavior is not proof of cause.

Related resources

External links with reuse status. Marlow Works is independent and does not copy restricted exam or textbook material.

  • Official / link only

    AP Psychology course page

    Official five-unit framework and science practices.

    College Board · All rights reserved · accessed 2026-10-01

    Open source

  • Reference only — do not copy

    OpenStax Psychology 2e

    Useful psychology background, but current publisher terms restrict commercial reuse and AI ingestion.

    OpenStax · CC BY-NC-SA 4.0 with additional restrictions · accessed 2026-10-01

    Link only. Do not republish or ingest this book.

    Open source