Central Nervous System: Brain and Spinal Cord Quiz

Question 1

Which region of the brain is primarily responsible for motor functions?

Accepted Answer

Frontal lobe

Answer

Parietal lobe

Answer

Temporal lobe

Answer

Occipital lobe

Question 2

Neurons that transmit signals from sensory receptors to the spinal cord are known as:

Accepted Answer

Sensory neurons

Answer

Motor neurons

Answer

Interneurons

Answer

Efferent neurons

Question 3

The corpus callosum primarily serves to:

Accepted Answer

Connect the left and right hemispheres of the cerebrum

Answer

Control the respiratory system

Answer

Regulate body temperature

Answer

Secrete hormones

Question 4

Which of the following is NOT a function of the spinal cord?

Accepted Answer

Producing hormones

Answer

Conducting sensory and motor impulses

Answer

Regulating reflexes

Answer

Controlling breathing

Question 5

The thalamus acts primarily as a:

Accepted Answer

Sensory relay center

Answer

Motor movement controller

Answer

Visual information processor

Answer

Long-term memory storage

Question 6

Which of the following is a cranial nerve?

Accepted Answer

Trigeminal nerve

Answer

Sciatic nerve

Answer

Median nerve

Answer

Femoral nerve

Question 7

Neuroglia primarily function to:

Accepted Answer

Support and nourish neurons

Answer

Transmit electrical impulses

Answer

Produce hormones

Answer

Regulate blood pressure

Question 8

Auditory information is primarily processed in which brain region?

Accepted Answer

Temporal lobe

Answer

Parietal lobe

Answer

Frontal lobe

Answer

Occipital lobe

Question 9

The protective membrane that surrounds the spinal cord is called the:

Accepted Answer

Dura mater

Answer

Pia mater

Answer

Arachnoid mater

Answer

Subarachnoid space

Question 10

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

Accepted Answer

Coordinating movement and balance

Answer

Controlling body temperature

Answer

Regulating emotions

Answer

Processing auditory information

Question 11

Identify the structure responsible for generating cerebrospinal fluid (CSF).

Accepted Answer

Choroid plexus

Answer

Pia mater

Answer

Arachnoid mater

Answer

Dura mater

Question 12

Which is the cerebellum's primary function?

Accepted Answer

Coordinating movement and balance

Answer

Regulating breathing and heart rate

Answer

Integrating sensory information

Answer

Producing hormones

Question 13

Which cranial nerve innervates taste buds in the tongue's posterior third?

Accepted Answer

Glossopharyngeal (IX)

Answer

Trigeminal (V)

Answer

Facial (VII)

Answer

Vagus (X)

Question 14

Which structure does NOT provide protection for the spinal cord?

Accepted Answer

Fascia

Answer

Vertebrae

Answer

Meninges

Answer

Cerebrospinal fluid

Question 15

Which part of a neuron transmits impulses away from the cell body?

Accepted Answer

Axon

Answer

Dendrite

Answer

Soma

Answer

Synapse

Question 16

Identify the neurotransmitter associated with the 'flight-or-fight' response.

Accepted Answer

Epinephrine

Answer

Glutamate

Answer

GABA

Answer

Dopamine

Question 17

Which function is associated with the thalamus?

Accepted Answer

Relaying sensory information to the cerebral cortex

Answer

Regulating sleep-wake cycles

Answer

Controlling body temperature

Answer

Producing hormones

Question 18

What primarily constitutes the white matter of the brain and spinal cord?

Accepted Answer

Myelinated axons

Answer

Neurons

Answer

Neuroglia

Answer

Synapses

Question 19

Which structure separates the brain's hemispheres?

Accepted Answer

Corpus callosum

Answer

Cerebellum

Answer

Brain stem

Answer

Dura mater

Question 20

Which division is NOT part of the autonomic nervous system?

Accepted Answer

Somatic nervous system

Answer

Sympathetic nervous system

Answer

Parasympathetic nervous system

Answer

Enteric nervous system

Question 21

Which neurotransmitter is primarily associated with the formation of drug dependence?

Accepted Answer

Dopamine

Answer

Serotonin

Answer

GABA

Answer

Glutamate

Question 22

What is the main purpose of the blood-brain barrier in the central nervous system?

Accepted Answer

Protects the brain from harmful substances

Answer

Controls blood flow to the brain

Answer

Produces cerebrospinal fluid

Question 23

Which region of the brain is responsible for maintaining balance and coordinating movement?

Accepted Answer

Cerebellum

Answer

Cerebrum

Answer

Brain stem

Answer

Thalamus

Question 24

The spinal cord is protected by which structure?

Accepted Answer

Vertebral column

Answer

Cranial cavity

Answer

Thoracic cavity

Answer

Abdominal cavity

Question 25

Which division of the nervous system controls involuntary functions such as heart rate and digestion?

Accepted Answer

Autonomic nervous system

Answer

Somatic nervous system

Answer

Central nervous system

Answer

Peripheral nervous system

Question 26

The neurotransmitter responsible for stimulating muscle contraction at the neuromuscular junction is:

Accepted Answer

Acetylcholine

Answer

Dopamine

Answer

Epinephrine

Answer

Serotonin

Question 27

Which type of neuron transmits impulses away from the cell body?

Accepted Answer

Efferent neuron

Answer

Sensory neuron

Answer

Motor neuron

Answer

Interneuron

Question 28

The myelin sheath around some axons is produced by:

Accepted Answer

Schwann cells

Answer

Astrocytes

Answer

Microglia

Answer

Ependymal cells

Question 29

Which of the following is NOT a function of neuroglia?

Accepted Answer

Generating nerve impulses

Answer

Supporting neurons

Answer

Insulating axons

Answer

Nourishing neurons

Question 30

The cerebrospinal fluid (CSF) is primarily produced by:

Accepted Answer

Choroid plexus

Answer

Pituitary gland

Answer

Hypothalamus

Answer

Arachnoid villi

Question 31

Which type of neuron transmits sensory information to the central nervous system?

Accepted Answer

Afferent neuron

Answer

Efferent neuron

Answer

Interneuron

Answer

Glial cell

Question 32

Which lobe of the cerebrum is accountable for voluntary movement initiation?

Accepted Answer

Frontal lobe

Answer

Temporal lobe

Answer

Occipital lobe

Answer

Parietal lobe

Question 33

Which portion of the brainstem regulates heart rate and blood pressure?

Accepted Answer

Medulla oblongata

Answer

Pons

Answer

Cerebellum

Answer

Midbrain

Question 34

Identify the type of neuron that transmits impulses from the central nervous system to muscles.

Accepted Answer

Motor neuron

Answer

Interneuron

Answer

Sensory neuron

Answer

Efferent neuron

Question 35

Which neurotransmitter is responsible for the excitation of skeletal muscles?

Accepted Answer

Acetylcholine

Answer

GABA

Answer

Dopamine

Answer

Serotonin

Question 36

Identify the structure that separates the cerebrum from the cerebellum.

Accepted Answer

Tentorium cerebelli

Answer

Falx cerebelli

Answer

Falx cerebri

Answer

Dura mater

Question 37

Which region of the spinal cord controls the functions of the bladder and rectum?

Accepted Answer

Sacral region

Answer

Thoracic region

Answer

Lumbar region

Answer

Cervical region

Question 38

Which lobe of the cerebrum is responsible for processing visual stimuli?

Accepted Answer

Occipital lobe

Answer

Temporal lobe

Answer

Parietal lobe

Answer

Frontal lobe

Question 39

Which structure connects the brain to the spinal cord?

Accepted Answer

Medulla oblongata

Answer

Meninges

Answer

Cerebellum

Answer

Vertebral column

Question 40

Which of the following brain structures is primarily responsible for coordinating balance and maintaining equilibrium?

Accepted Answer

Cerebellum

Answer

Medulla oblongata

Answer

Hypothalamus

Answer

Thalamus

Question 41

Which nerve is classified as part of the autonomic nervous system?

Accepted Answer

Vagus nerve

Answer

Optic nerve

Answer

Trochlear nerve

Question 42

Which protective membrane covers and safeguards the brain and spinal cord?

Accepted Answer

Meninges

Answer

Dura mater

Answer

Arachnoid mater

Answer

Pia mater

Question 43

Which neurotransmitter is primarily released by the parasympathetic nervous system?

Accepted Answer

Acetylcholine

Answer

Dopamine

Answer

Epinephrine

Answer

Norepinephrine

Question 44

What is the name of the fluid-filled cavities within the brain?

Accepted Answer

Ventricles

Answer

Subarachnoid space

Answer

Choroid plexus

Answer

Cisterns

Question 45

Which type of neuron carries signals away from the central nervous system to muscles and glands?

Accepted Answer

Motor neuron

Answer

Glial cell

Answer

Sensory neuron

Answer

Interneuron

Question 46

What is the primary function of the thalamus in the brain?

Accepted Answer

Relays sensory and motor signals to the cerebrum

Answer

Controls body temperature

Answer

Regulates sleep-wake cycles

Answer

Produces hormones

Question 47

Which of the following is a symptom commonly associated with a stroke?

Accepted Answer

Sudden weakness or numbness on one side of the body

Answer

Nausea and vomiting

Answer

Difficulty breathing

Question 48

What is the role of the hypothalamus in the endocrine system?

Accepted Answer

Regulates hormone release from the pituitary gland

Answer

Produces insulin

Answer

Stores thyroid hormones

Answer

Synthesizes vitamin D

Question 49

Which of the following is NOT a function of the central nervous system?

Accepted Answer

Digestive function

Answer

Control of hormone release

Answer

Coordination of movement

Answer

Processing of sensory information

Question 50

Which part of the brain is predominantly responsible for higher-level cognitive functions such as language and memory?

Accepted Answer

Cerebrum

Answer

Cerebellum

Answer

Brainstem

Answer

Hypothalamus

Question 51

Which of the following neurotransmitters is primarily associated with feelings of pleasure, reward, and motivation?

Accepted Answer

Dopamine

Answer

Serotonin

Answer

Acetylcholine

Answer

Norepinephrine

Question 52

Which type of neuron is primarily responsible for transmitting signals from sensory receptors to the central nervous system?

Accepted Answer

Afferent neuron

Answer

Efferent neuron

Answer

Interneuron

Question 53

Which of the following structures provides a protective covering for the brain and spinal cord?

Accepted Answer

Meninges

Answer

Dura mater

Answer

Arachnoid mater

Answer

Pia mater

Question 54

Which region of the brainstem is responsible for regulating vital life functions such as breathing, heart rate, and blood pressure?

Accepted Answer

Medulla oblongata

Answer

Pons

Answer

Thalamus

Answer

Midbrain

Question 55

Which of the following spinal cord reflexes is characterized by the rapid withdrawal of a limb from a painful stimulus?

Accepted Answer

Flexor reflex

Answer

Patellar reflex

Answer

Crossed extensor reflex

Answer

Extensor reflex

Question 56

Which of the following neurodegenerative diseases is characterized by progressive loss of motor function due to the degeneration of dopamine-producing neurons in the brain?

Accepted Answer

Parkinson's disease

Answer

Alzheimer's disease

Answer

Huntington's disease

Answer

Multiple sclerosis

Question 57

Which of the following imaging techniques is commonly used to assess brain activity by measuring changes in blood flow?

Accepted Answer

fMRI

Answer

CT scan

Answer

X-ray

Answer

Ultrasound

Question 58

Which of the following is a potential consequence of a severe spinal cord injury?

Accepted Answer

Paralysis

Answer

Hemorrhage

Answer

Infection

Answer

Fracture