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Neuroscience Basics Quiz

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Questions and Answers

What is primarily responsible for the white appearance of white matter in the CNS?

Connective tissue

Neuroglia

Myelinated neurons (correct)

Unmyelinated neurons

Which of the following correctly describes the function of cerebrospinal fluid (CSF)?

Transmits signals throughout the CNS

Facilitates communication between hemispheres

Forms the myelin sheath

Absorbs shocks and nourishes tissue (correct)

Which structure separates the left and right hemispheres of the cerebrum?

Central sulcus

Longitudinal fissure (correct)

Corpus callosum

Lateral sulcus

What role does neuroglia play in the CNS?

Provides structural support and produces myelin Signup and view all the answers

Which lobe of the cerebrum is primarily responsible for controlling voluntary movements?

Frontal lobe Signup and view all the answers

What function do receptors perform in the peripheral nervous system?

Identify environmental stimuli Signup and view all the answers

What is the primary composition of gray matter in the CNS?

Association neurons Signup and view all the answers

Which structure within the CNS is filled with cerebrospinal fluid?

Spaces between the brain and spinal cord Signup and view all the answers

What primarily distinguishes white matter from gray matter in the CNS?

White matter transmits signals, while gray matter is involved in interpretation and decision-making. Signup and view all the answers

Which structure serves to protect the CNS and produce cerebrospinal fluid?

Meninges Signup and view all the answers

How does the structure of the cerebrum contribute to its function?

Convolutions increase surface area, allowing for more complex processing. Signup and view all the answers

What is the primary role of neuroglia in the CNS?

To provide structural support and produce myelin. Signup and view all the answers

Which lobe of the brain is primarily responsible for controlling voluntary movements?

Frontal lobe Signup and view all the answers

What separates the left and right hemispheres of the cerebrum?

Longitudinal fissure Signup and view all the answers

What is the function of receptors in the peripheral nervous system?

To identify stimuli from the environment. Signup and view all the answers

Which of the following accurately describes cerebrospinal fluid?

Functions as a shock absorber and nourishes CNS tissue. Signup and view all the answers