Quiz on the Nervous System

What is the primary function of the sensory input in the nervous system?

• To activate muscles

• To process and interpret stimuli

• To link all parts of the body

• To gather information

Which part of the nervous system acts as the integrating and command center?

• Peripheral nervous system

• Central nervous system

• Autonomic nervous system

• Somatic nervous system

What type of neurons carry impulses from sensory receptors to the central nervous system?

• Motor neurons

• Efferent neurons

• Sensory neurons

• Interneurons

Which cells form the myelin sheath in the peripheral nervous system?

• Oligodendrocytes

• Microglia

• Astrocytes

• Schwann cells

What is the role of the hypothalamus in the brain?

• Processes visual information

• Coordinates skeletal muscle movements

• Controls water balance

• Regulates heart rate

Which part of the brain is responsible for involuntary coordination of body movements?

• Cerebrum

• Cerebellum

• Brain stem

• Diencephalon

What is the function of the reticular activating system?

• Processes sensory information

• Controls sleep cycles and consciousness

• Coordinates motor activities

• Regulates body temperature

Which type of reflex involves smooth muscle regulation?

• Somatic reflexes

• Autonomic reflexes

• Voluntary reflexes

• Involuntary reflexes

What is the primary neurotransmitter used in the somatic nervous system?

• Acetylcholine

• Epinephrine

• Dopamine

• Norepinephrine

How many pairs of cranial nerves are there?

• 14 pairs

• 8 pairs

• 12 pairs

• 10 pairs