PHS Nervous (EB Assignment)

What is the basic structural unit of the nervous system?

• Neuron

• Axon

• Dendrite

• Synapse

Which part of the brain is responsible for muscle coordination, balance, and posture?

• Cerebrum

• Cerebellum

• Diencephalon

• Brain Stem

What is the function of the myelin sheath?

• Carries impulses toward the cell body

• Increases the rate of transmission of an impulse

• Acts as a relay center

• Regulates the autonomic nervous system

Which division of the nervous system controls involuntary body functions?

• Central Nervous System

• Peripheral Nervous System

• Autonomic Nervous System

• Somatic Nervous System

What is the role of the sympathetic nervous system during an emergency?

• Decreases heart rate

• Increases digestive activity

• Increases heart rate and blood pressure

• Decreases respiration

Which disease is characterized by an excessive accumulation of cerebrospinal fluid in the brain?

• Meningitis

• Hydrocephalus

• Multiple sclerosis

• Encephalitis

What is the main function of afferent nerves?

• Carry motor messages to muscles

• Carry sensory messages to the brain and spinal cord

• Conduct impulses between brain parts

• Regulate heartbeat and respiration