Nevrous SystemQuiz

Which is not a type of neuron?

• Sensory Neurons

• Interneurons

• Motor Neurons

• Cerebrum

What is the central part of a neuron called?

• Axon

• Dendrites

• Cell body

• Synapse

What is the main function of interneurons?

• To gather sensory information

• To send impulses to muscles

• To pass impulses between neurons

• To protect the brain

What is the primary function of the cerebrum?

• Coordinate body movements

• Control involuntary actions

• Receive messages from sense organs and control movement, memory, communication, and reasoning

• Maintain balance

What are the three structures that make up the brain stem?

• Cerebrum, cerebellum, medulla

• Midbrain, pons, medulla

• Cerebrum, pons, midbrain

• Cerebellum, midbrain, pons

What does the spinal cord link the brain to?

• The heart

• Most of the nerves in the peripheral nervous system

• The lungs

• The digestive system

What is the primary benefit of reflexes?

• Improved memory

• Faster digestion

• Quick reaction to danger

• Enhanced hearing

What is NOT a characteristic of reflexes?

• Voluntary

• Automatic

• Quick

• Protective

What is the final step in the reflex action process described?

• Muscles contract and you withdraw your hand.

• Sensory neurons send impulses to the spinal cord.

• Messages of pain travel to the brain.

• Neurons in the spinal cord send commands to motor neurons.

What is the purpose of a reflex action?

• To send pain messages to the brain

• To quickly respond to stimuli without involving the brain

• To process information in the brain

• To enhance sensory perception