Nervous System Quiz: Test Your Knowledge on the Human Nervous System

Question 1

Which part of the neuron receives stimuli from the environment and other neurons?

Accepted Answer

Dendrite

Answer

Axon

Answer

Cell body

Answer

Myelin sheath

Question 2

Which neurotransmitter is associated with muscle contraction and the parasympathetic nervous system?

Accepted Answer

Acetylcholine

Answer

Dopamine

Answer

Epinephrine

Answer

Serotonin

Question 3

Which lobe of the brain is involved in decision-making, planning, and problem-solving?

Accepted Answer

Frontal lobe

Answer

Parietal lobe

Answer

Temporal lobe

Answer

Occipital lobe

Question 4

What is the primary function of the spinal cord?

Accepted Answer

To transmit sensory and motor signals to and from the brain

Answer

To control automatic responses such as reflexes

Answer

To produce hormones

Answer

To store and process memories

Question 5

Which type of nerve fiber is heavily myelinated and conducts signals quickly?

Accepted Answer

A fibers

Answer

B fibers

Answer

C fibers

Answer

D fibers

Question 6

What is the term for the brief electrical impulse that travels along a neuron's axon?

Accepted Answer

Action potential

Answer

Synaptic potential

Answer

Resting potential

Answer

Graded potential

Question 7

Which division of the nervous system is responsible for conscious control of skeletal muscles?

Accepted Answer

Somatic nervous system

Answer

Autonomic nervous system

Answer

Sympathetic nervous system

Answer

Parasympathetic nervous system

Question 8

What is the main role of glial cells in the nervous system?

Accepted Answer

To provide structural support, insulation, and nourishment to neurons

Answer

To transmit electrical signals

Answer

To release neurotransmitters

Answer

To regulate blood flow in the brain

Question 9

Which neurotransmitter is involved in reward and pleasure pathways and is often associated with addiction?

Accepted Answer

Dopamine

Answer

Serotonin

Answer

Glutamate

Answer

GABA

Question 10

What term describes a condition characterized by significant loss of motor function and sensation due to damage to the nervous system?

Accepted Answer

Paralysis

Answer

Neuralgia

Answer

Neuropathy

Answer

Paresthesia

Question 11

Which part of the nervous system is the main pathway for information to travel between the brain and the rest of the body?

Accepted Answer

Spinal cord

Answer

Autonomic nervous system

Answer

Peripheral nervous system

Question 12

What is the primary function of the nervous system?

Accepted Answer

To transmit information and coordinate body functions

Answer

To regulate body temperature

Answer

To produce hormones

Answer

To control blood sugar levels

Question 13

Which bony structure protects the brain?

Accepted Answer

Cranium

Answer

Rib cage

Answer

Pelvis

Answer

Vertebral column

Question 14

Which division of the nervous system controls voluntary muscle movement?

Accepted Answer

Somatic nervous system

Answer

Central nervous system

Answer

Peripheral nervous system

Answer

Autonomic nervous system

Question 15

Which neurotransmitter promotes relaxation and sleep?

Accepted Answer

GABA

Answer

Epinephrine

Answer

Norepinephrine

Answer

Dopamine

Question 16

Which type of nerve is the sciatic nerve?

Accepted Answer

Spinal nerve

Answer

Optic nerve

Answer

Vagus nerve

Answer

Cranial nerve

Question 17

Into how many main branches is the autonomic nervous system divided?

Accepted Answer

Sympathetic and parasympathetic

Answer

Somatic and sensory

Answer

Central and peripheral

Answer

Sensory and motor

Question 18

Which neuroglial cell type provides nutrition to neurons?

Accepted Answer

Astrocytes

Answer

Microglia

Answer

Oligodendrocytes

Answer

Schwann cells

Question 19

What is the process by which neurons communicate called?

Accepted Answer

Synaptic transmission

Answer

Electrical conduction

Answer

Chemical diffusion

Answer

Mechanical transduction

Question 20

What is the cerebellum's main function in the human body?

Accepted Answer

Keeping balance and coordinating movement

Answer

Processing sensory information from the outside world

Answer

Controlling sleep and wake cycles

Question 21

Which of the following is a primary responsibility of the central nervous system?

Accepted Answer

Coordination and regulation of bodily functions

Answer

Filtration of waste products from the bloodstream

Answer

Production and secretion of hormones

Answer

Storage of genetic information

Question 22

What is the primary function of the spinal cord?

Accepted Answer

Transmits signals between the brain and the rest of the body

Answer

Production of neurotransmitters

Answer

Protects the brain from physical impact

Answer

Regulates body temperature

Question 23

What is the name of the protective covering that surrounds the brain and spinal cord?

Accepted Answer

Meninges

Answer

Arachnoid membrane

Answer

Pia mater

Answer

Dura mater

Question 24

Which neurotransmitter is primarily associated with muscle contraction?

Accepted Answer

Acetylcholine

Answer

GABA

Answer

Serotonin

Answer

Dopamine

Question 25

What is the largest part of the human brain?

Accepted Answer

Cerebrum

Answer

Cerebellum

Answer

Brainstem

Answer

Thalamus

Question 26

Which part of the brain is responsible for maintaining equilibrium and coordinating movement?

Accepted Answer

Cerebellum

Answer

Thalamus

Answer

Cerebrum

Answer

Brainstem

Question 27

Which of the following conditions is characterized by progressive memory loss and decline in cognitive abilities?

Accepted Answer

Alzheimer's disease

Answer

Parkinson's disease

Answer

Stroke

Answer

Multiple sclerosis

Question 28

Which medical imaging technique is primarily used to visualize the brain and nervous system?

Accepted Answer

Magnetic resonance imaging (MRI)

Answer

X-ray

Answer

Ultrasound

Answer

Computed tomography (CT) scan

Question 29

Describe the primary role of a medical assistant in the treatment of neurological disorders.

Accepted Answer

Assisting medical professionals with patient care, conducting diagnostic tests, and providing administrative support

Answer

Prescribing medications