Central Nervous System Anatomy Quiz: Test Your Knowledge

Question 1

Which of the following is NOT a function of the cerebellum?

Accepted Answer

Analyzing sensory data

Answer

Coordinating voluntary movements

Answer

Maintaining balance and posture

Answer

Facilitating motor learning

Question 2

Which structure in the central nervous system carries motor signals from the brain to the spinal cord?

Accepted Answer

Pyramidal tracts

Answer

Cerebellum

Answer

Thalamus

Answer

Basal ganglia

Question 3

Which lobe of the brain is the largest in size?

Accepted Answer

Frontal lobe

Answer

Parietal lobe

Answer

Temporal lobe

Answer

Occipital lobe

Question 4

In the brainstem, which specific region contains the nuclei for cranial nerves VII to XII?

Accepted Answer

Medulla oblongata

Answer

Pons

Answer

Midbrain

Answer

Cerebellum

Question 5

Which primary function is associated with the cerebellum?

Accepted Answer

Coordinating balance and movement

Answer

Controlling voluntary movements

Answer

Processing sensory information

Answer

Facilitating learning and memory

Question 6

Among the functions of the spinal cord, which one is NOT considered a primary responsibility?

Accepted Answer

Initiating voluntary movements

Answer

Transmitting sensory information to the brain

Answer

Controlling reflex actions

Answer

Providing protection to the cord itself

Question 7

Within the spinal cord, what is the name of the fluid-filled cavity that runs along its length?

Accepted Answer

Central canal

Answer

Ventricles

Answer

Subarachnoid space

Answer

Arachnoid space

Question 8

In the context of the spinal cord's structure, what is the outermost layer called?

Accepted Answer

Meninges

Answer

Gray matter

Answer

White matter

Answer

Cauda equina

Question 9

Which part of the brain is primarily responsible for carrying out complex cognitive functions, including reasoning, decision-making, and language processing?

Accepted Answer

Cerebral cortex

Answer

Cerebellum

Answer

Brainstem

Answer

Spinal cord

Question 10

What is the primary role of the choroid plexus in the brain?

Accepted Answer

Producing cerebrospinal fluid

Answer

Providing a protective barrier for the brain

Answer

Facilitating blood flow to the brain

Answer

Controlling blood pressure within the brain

Question 11

What type of matter constitutes the central, butterfly-shaped area of the spinal cord?

Accepted Answer

Gray matter

Answer

White matter

Answer

Central canal

Answer

Meninges

Question 12

Which of the following actions is controlled by the parasympathetic nervous system?

Accepted Answer

Slowing digestion

Answer

Dilating pupils

Answer

Increasing heart rate

Answer

Constricting airways

Question 13

Identify a potential clinical manifestation associated with damage to the central nervous system:

Accepted Answer

Loss of consciousness

Accepted Answer

Muscle weakness

Accepted Answer

Impaired sensation

Answer

Difficulty breathing

Question 14

Which artery provides the primary supply of oxygenated blood to the cerebrum?

Accepted Answer

Internal carotid artery

Answer

Vertebral artery

Answer

Basilar artery

Question 15

Which of the following structures is NOT a component of the basal ganglia?

Accepted Answer

Hippocampus

Answer

Caudate nucleus

Answer

Globus pallidus

Answer

Putamen

Question 16

What is the primary function of the corpus callosum?

Accepted Answer

Connecting the two cerebral hemispheres for interhemispheric communication

Answer

Protecting the brainstem

Answer

Producing cerebrospinal fluid

Answer

Regulating body temperature

Question 17

Which of the following nerves is responsible for motor innervation of the diaphragm?

Accepted Answer

Phrenic nerve

Answer

Vagus nerve

Answer

Spinal accessory nerve

Answer

Hypoglossal nerve

Question 18

What is the name of the sulcus that separates the frontal lobe from the parietal lobe on the lateral surface of the cerebral cortex?

Accepted Answer

Lateral sulcus

Answer

Central sulcus

Answer

Parieto-occipital sulcus

Answer

Lunate sulcus

Question 19

Which of the following is a primary function of the cerebellum?

Accepted Answer

Coordination of movement

Answer

Processing of sensory information to create a coherent percept of the world

Answer

Memory formation

Answer

Regulation of blood pressure

Question 20

What is the name of the white matter tract that connects the spinal cord to the cerebellum, conveying proprioceptive and tactile information?

Accepted Answer

Spinocerebellar tract

Answer

Corticospinal tract

Answer

Spinothalamic tract

Answer

Posterior column-medial lemniscus pathway

Question 21

Which of the following is a type of glial cell that provides structural support and nourishment to neurons in the central nervous system?

Accepted Answer

Astrocyte

Answer

Neuron

Answer

Myelinating oligodendrocyte

Answer

Microglia

Question 22

What is the primary function of the blood-brain barrier?

Accepted Answer

Protecting the brain from harmful substances in the blood

Answer

Producing cerebrospinal fluid

Answer

Regulating blood flow to the brain

Answer

Generating electrical signals

Question 23

Which of the following is a neurotransmitter that plays a crucial role in synaptic plasticity and learning?

Accepted Answer

Glutamate

Answer

Dopamine

Answer

Insulin

Answer

Testosterone

Question 24

What is the name of the protective layer that surrounds and cushions the spinal cord within the vertebral canal?

Accepted Answer

Meninges

Answer

Ependyma

Answer

Dura mater

Answer

Arachnoid