The Nervous System: Structure, Function, and Role in Movement Control

Question 1

Which component of a neuron transmits electrical signals away from the cell body?

Accepted Answer

Axon

Answer

Dendrite

Answer

Soma

Answer

Synapse

Question 2

Which neurotransmitter plays a crucial role in reducing nerve impulses?

Accepted Answer

GABA

Answer

Dopamine

Answer

Serotonin

Answer

Glutamate

Question 3

Which region of the brain is responsible for processing and interpreting visual information?

Accepted Answer

Occipital

Answer

Frontal

Answer

Parietal

Answer

Temporal

Question 4

Which of the following is **not** considered a type of reflex?

Accepted Answer

Voluntary movement

Answer

Patellar reflex

Answer

Pupillary reflex

Answer

Vasoconstriction

Question 5

Which part of the nervous system controls voluntary muscle movements?

Accepted Answer

Somatic nervous system

Answer

Autonomic nervous system

Answer

Central nervous system

Answer

Peripheral nervous system

Question 6

What is the primary role of the cerebellum in movement control?

Accepted Answer

Coordinating balance and fine motor skills

Answer

Initiating muscle contractions

Answer

Interpreting sensory input

Answer

Maintaining body temperature

Question 7

Which neurodegenerative disease is known for causing progressive loss of coordination and cognitive impairment?

Accepted Answer

Huntington's disease

Answer

Alzheimer's disease

Answer

Parkinson's disease

Answer

Multiple sclerosis

Question 8

Which component does NOT belong to the central nervous system?

Accepted Answer

Peripheral nerves

Answer

Brain

Answer

Spinal cord

Answer

Autonomic nervous system

Question 9

Which element is NOT a part of a neuron?

Accepted Answer

Synapse

Answer

Cell body

Answer

Dendrites

Answer

Axon

Question 10

Which neurotransmitter is primarily responsible for initiating muscle contractions?

Accepted Answer

Acetylcholine

Answer

Dopamine

Answer

Serotonin

Answer

Noradrenaline

Question 11

The cerebellum's primary function is:

Accepted Answer

Balance and coordination

Answer

Memory and learning

Answer

Motor control

Answer

Sensory processing

Question 12

The autonomic nervous system is responsible for:

Accepted Answer

Regulating involuntary functions

Answer

Responding to deliberate stimuli

Answer

Processing sensory information

Answer

Generating voluntary movement

Question 13

Which neurodegenerative disease primarily affects movement?

Accepted Answer

Parkinson's disease

Answer

Alzheimer's disease

Answer

Multiple sclerosis

Answer

Stroke

Question 14

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

Accepted Answer

Storage of nutrients

Answer

Communication

Answer

Control of movement

Answer

Hormonal secretion

Question 15

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

Accepted Answer

Motor neuron

Answer

Sensory neuron

Answer

Interneuron

Answer

Ganglion neuron

Question 16

What is the primary function of the myelin sheath?

Accepted Answer

Insulates the axon, increasing signal speed

Answer

Produces neurotransmitters

Answer

Carries sensory information

Answer

Controls muscle contraction

Question 17

What is the reflex arc?

Accepted Answer

A rapid, involuntary response pathway to stimuli

Answer

A pathway for voluntary, conscious control of movement

Answer

A pathway for the transmission of sensory information to the brain

Answer

A pathway for the release of hormones

Question 18

Which of the following is an example of a neurotransmitter?

Accepted Answer

Acetylcholine

Answer

Glucose

Answer

Sodium

Answer

Calcium

Question 19

How does the nervous system primarily control muscle contraction?

Accepted Answer

By releasing neurotransmitters at the neuromuscular junction

Answer

By sending electrical impulses directly to muscle fibers

Answer

By releasing hormones into the bloodstream

Answer

By controlling blood flow to muscles

Question 20

What is a primary role of the spinal cord in the nervous system?

Accepted Answer

To transmit sensory information to the brain

Answer

To control voluntary movement

Answer

To regulate body temperature

Answer

To produce hormones

Question 21

Which of the following is NOT considered a primary function of the nervous system?

Accepted Answer

Metabolism regulation

Answer

Communication

Answer

Movement control

Answer

Homeostasis maintenance

Question 22

The fundamental unit of the nervous system, responsible for processing and transmitting information, is the:

Accepted Answer

Neuron

Answer

Axon

Answer

Dendrite

Answer

Synapse

Question 23

Which neurotransmitter plays a crucial role in facilitating muscle contraction?

Accepted Answer

Acetylcholine

Answer

Dopamine

Answer

Serotonin

Answer

Norepinephrine

Question 24

Which brain region is central to maintaining balance and coordinating movement?

Accepted Answer

Cerebellum

Answer

Cerebrum

Answer

Spinal cord

Answer

Medulla oblongata

Question 25

The reflex arc is an example of:

Accepted Answer

Involuntary movement

Answer

Voluntary movement

Answer

Conditioned response

Answer

Operant response

Question 26

Which of the following is a prevalent neurological disorder that primarily affects movement?

Accepted Answer

Parkinson's disease

Answer

Alzheimer's disease

Answer

Multiple sclerosis

Answer

Schizophrenia

Question 27

Which of the following is the main function of the parasympathetic nervous system?

Accepted Answer

Maintaining balance and facilitating 'rest and digest' activities

Answer

Triggering the 'fight or flight' response

Answer

Controlling conscious movements of skeletal muscles

Question 28

Which of the following is NOT a primary function of the nervous system in movement control?

Accepted Answer

Storing memories related to movement

Answer

Receiving sensory information related to movement

Answer

Coordinating muscle contractions for movement

Answer

Maintaining balance and posture

Question 29

Which of the following is **not** a primary function of the nervous system?

Accepted Answer

Producing insulin

Answer

Receiving and processing sensory information

Answer

Controlling and coordinating movement

Answer

Storing and retrieving memories

Question 30

The basic unit of the nervous system is the:

Accepted Answer

Neuron

Answer

Axon

Answer

Synapse

Answer

Dendrite

Question 31

Which part of the nervous system is responsible for conscious thought, reasoning, and higher-level functions?

Accepted Answer

Central nervous system

Answer

Peripheral nervous system

Answer

Somatic nervous system

Answer

Autonomic nervous system

Question 32

The cerebellum is primarily involved in:

Accepted Answer

Maintaining balance and coordinating movement

Answer

Processing sensory information

Answer

Controlling heart rate and digestion

Answer

Storing memories and emotions

Question 33

Which neurotransmitter is responsible for muscle contraction **at the neuromuscular junction**?

Accepted Answer

Acetylcholine

Answer

Serotonin

Answer

Dopamine

Answer

Norepinephrine

Question 34

The resting potential of a neuron is:

Accepted Answer

Negative inside the cell and positive outside

Answer

Positive inside the cell and negative outside

Answer

Equal on both sides of the membrane

Answer

Varies depending on the type of neuron

Question 35

A professional dancer sustains a traumatic brain injury. How might this injury impact their movement and coordination? Discuss the potential role of the nervous system in their recovery.

Accepted Answer

The dancer may experience temporary disruptions to movement and coordination, but with rehabilitation, they have the potential to regain their previous abilities.

Answer

The dancer's movement and coordination will remain unaffected as the brain is not involved in these functions.

Answer

The dancer will experience permanent loss of movement and coordination, with no chance of recovery.

Answer

The dancer's movement and coordination will improve due to increased brain activity following the injury.

Question 36

How does neuroplasticity contribute to learning, memory, and recovery from nervous system injuries?

Accepted Answer

It strengthens connections between neurons.

Answer

It generates new neurons.

Answer

It eliminates synapses.

Question 37

Which of the following is the primary function of the nervous system?

Accepted Answer

To facilitate the rapid transmission of information between different parts of the body

Answer

To regulate hormone production

Answer

To defend the body against infections

Answer

To store long-term memories

Question 38

Identify the type of neuron that transmits signals away from the central nervous system towards muscles and glands.

Accepted Answer

Motor neuron

Answer

Glial cell

Answer

Interneuron

Answer

Sensory neuron

Question 39

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

Accepted Answer

Cerebellum

Answer

Cerebrum

Answer

Medulla oblongata

Answer

Hypothalamus

Question 40

Which neurotransmitter plays a crucial role in facilitating muscle contraction?

Accepted Answer

Acetylcholine

Answer

Serotonin

Answer

Epinephrine

Answer

Dopamine

Question 41

Identify the division of the autonomic nervous system responsible for regulating heart rate and digestion during rest and relaxation.

Accepted Answer

Parasympathetic nervous system

Answer

Enteric nervous system

Answer

Somatic nervous system

Answer

Sympathetic nervous system

Question 42

What is the primary role of the spinal cord in the nervous system?

Accepted Answer

Transmits sensory and motor signals between the brain and the rest of the body

Answer

Stores long-term memories

Answer

Produces cerebrospinal fluid

Question 43

What is the primary function of neuroglia in the nervous system?

Accepted Answer

Provide structural support, protection, and nourishment to neurons

Answer

Transmit nerve impulses

Answer

Store memories

Answer

Produce neurotransmitters