Nervous System Practice Test

Front

What is the main function of the cerebrum?

Back

The cerebrum controls conscious thought, memory, and voluntary movements.

Front

What neurotransmitter is most associated with rewards and motivation?

Back

Dopamine is the neurotransmitter most associated with rewards and motivation.

Front

What is a reflex arc?

Back

A reflex arc is a rapid response mechanism that protects the body from harm.

Front

What does CNS stand for in the nervous system?

Back

CNS stands for Central Nervous System, which is composed of the brain and spinal cord.

Front

What is the role of the myelin sheath?

Back

The myelin sheath makes the signal travel faster along the neuron.

Front

What are the two main subdivisions of the nervous system?

Back

The two main subdivisions are the Central Nervous System (CNS) and the Peripheral Nervous System (PNS).

Front

What is the function of the cerebellum?

Back

The cerebellum coordinates voluntary movements and maintains posture and balance.

Front

What is the role of neurotransmitters in the nervous system?

Back

Neurotransmitters are chemicals that transmit signals across a synapse from one neuron to another.

Front

What is the difference between the autonomic and somatic nervous systems?

Back

The autonomic nervous system controls involuntary actions, while the somatic nervous system controls voluntary movements.

Front

What is the function of the brain stem?

Back

The brain stem controls basic life functions such as breathing, heartbeat, and blood pressure.