Nervous System Quiz

What is the primary function of the nervous system?

• To digest food

• To control all other organs in the body

• To circulate blood

• To produce hormones

What does the Central Nervous System (CNS) consist of?

• Heart and lungs

• Brain and spinal cord

• Muscles and bones

• Skin and hair

What is the role of the Peripheral Nervous System (PNS)?

• To control emotions

• To branch nerves off the spinal cord

• To regulate blood sugar

• To produce red blood cells

Which part of the brain controls feelings, emotions, and senses?

• Medulla

• Cerebrum

• Brainstem

• Cerebellum

What is the function of nerve cells or neurons?

• To digest food

• To send messages around and connect the brain to the rest of the body

• To store fat

• To produce energy

What are the parts of a neuron?

• Heart, lungs, liver

• Dendrites, cell body, nucleus, axon, myelin sheath, axon tip/terminal

• Skin, hair, nails

• Muscles, bones, joints

What is a synapse?

• A type of cell

• A space between two nerve cells

• A part of the brain

• A type of muscle

Which type of neuron is responsible for sensation?

• Motor neurons

• Sensory neurons

• Interneurons

• Reflex neurons

What is the role of neurotransmitters?

• To digest food

• To send chemical messages across the synapse

• To produce energy

• To store fat

What is the speed of electrochemical messages sent through the nervous system?

• Slow and last a long time

• Fast and last a short time

• Moderate and last a long time

• Slow and last a short time