7.4 Nervous System

Front

What disease is characterized by the destruction of dopamine-producing neurons in the brain?

Back

Parkinson's disease

Front

List the correct order from the smallest to the largest unit of organization in muscle tissue.

Back

myofilament, myofibril, muscle fiber, fascicle

Front

Which structure in the inner ear is responsible for sensing gravity and linear acceleration?

Back

Semicircular canals

Front

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

Back

Relaying sensory information

Front

What type of propagation occurs along a myelinated axon?

Back

saltatory conduction

Front

What is the role of dopamine in the nervous system?

Back

Dopamine is a neurotransmitter that plays a key role in reward, motivation, and motor control.

Front

What are the three main parts of the nervous system?

Back

Central nervous system (CNS), peripheral nervous system (PNS), and autonomic nervous system (ANS).

Front

What is the function of the myelin sheath?

Back

The myelin sheath insulates axons and increases the speed of action potential propagation.

Front

What is the difference between gray matter and white matter in the brain?

Back

Gray matter contains neuronal cell bodies, while white matter consists of myelinated axons.

Front

What is the function of the cerebellum?

Back

The cerebellum coordinates voluntary movements and maintains posture and balance.