Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo
Biology 2e

Review Questions

Biology 2eReview Questions


Neurons contain ________, which can receive signals from other neurons.

  1. axons
  2. mitochondria
  3. dendrites
  4. Golgi bodies

A(n) ________ neuron has one axon and one dendrite extending directly from the cell body.

  1. unipolar
  2. bipolar
  3. multipolar
  4. pseudounipolar

Glia that provide myelin for neurons in the brain are called ________.

  1. Schwann cells
  2. oligodendrocytes
  3. microglia
  4. astrocytes

Meningitis is a viral or bacterial infection of the brain. Which cell type is the first to have its function disrupted during meningitis?

  1. astrocytes
  2. microglia
  3. neurons
  4. satellite glia

For a neuron to fire an action potential, its membrane must reach ________.

  1. hyperpolarization
  2. the threshold of excitation
  3. the refractory period
  4. inhibitory postsynaptic potential

After an action potential, the opening of additional voltage-gated ________ channels and the inactivation of sodium channels, cause the membrane to return to its resting membrane potential.

  1. sodium
  2. potassium
  3. calcium
  4. chloride

What is the term for protein channels that connect two neurons at an electrical synapse?

  1. synaptic vesicles
  2. voltage-gated ion channels
  3. gap junction protein
  4. sodium-potassium exchange pumps

Which of the following molecules is not involved in the maintenance of the resting membrane potential?

  1. potassium cations
  2. ATP
  3. voltage-gated ion channels
  4. calcium cations

The ________ lobe contains the visual cortex.

  1. frontal
  2. parietal
  3. temporal
  4. occipital

The ________ connects the two cerebral hemispheres.

  1. limbic system
  2. corpus callosum
  3. cerebellum
  4. pituitary

Neurons in the ________ control motor reflexes.

  1. thalamus
  2. spinal cord
  3. parietal lobe
  4. hippocampus

Phineas Gage was a 19th century railroad worker who survived an accident that drove a large iron rod through his head. If the injury resulted in him becoming temperamental and capricious what part of his brain was damaged?

  1. frontal lobe
  2. hippocampus
  3. parietal lobe
  4. temporal lobe

Activation of the sympathetic nervous system causes:

  1. increased blood flow into the skin
  2. a decreased heart rate
  3. an increased heart rate
  4. increased digestion

Where are parasympathetic preganglionic cell bodies located?

  1. cerebellum
  2. brainstem
  3. dorsal root ganglia
  4. skin

________ is released by motor nerve endings onto muscle.

  1. Acetylcholine
  2. Norepinephrine
  3. Dopamine
  4. Serotonin

Parkinson’s disease is a caused by the degeneration of neurons that release ________.

  1. serotonin
  2. dopamine
  3. glutamate
  4. norepinephrine

________ medications are often used to treat patients with ADHD.

  1. Tranquilizer
  2. Antibiotic
  3. Stimulant
  4. Anti-seizure

Strokes are often caused by ________.

  1. neurodegeneration
  2. blood clots or burst blood vessels
  3. seizures
  4. viruses

Why is it difficult to identify the cause of many nervous system disorders?

  1. The genes associated with the diseases are not known.
  2. There are no obvious defects in brain structure.
  3. The onset and display of symptoms varies between patients.
  4. all of the above

Why do many patients with neurodevelopmental disorders develop secondary disorders?

  1. Their genes predispose them to schizophrenia.
  2. Stimulant medications cause new behavioral disorders.
  3. Behavioral therapies only improve neurodevelopmental disorders.
  4. Dysfunction in the brain can affect many aspects of the body.
Order a print copy

As an Amazon Associate we earn from qualifying purchases.


This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:
    Access for free at
  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:
    Access for free at
Citation information

© Apr 26, 2024 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.