Nervous System Basics Quiz

What is the proper order of the three main functions of the nervous system?

• Integration, motor output, sensory input

• Sensory input, motor output, integration

• Motor output, sensory input, integration

• Sensory input, integration, motor output

Which is the correct definition of sensory input?

• The brain processes sensory information

• Sensory receptors gather environmental information and send it to the brain

• Muscles respond to brain signals

• Messages are sent from the brain to the glands

Which of the following represents motor output?

• Feeling a mosquito land on your arm

• Recognizing a large puddle on a bike path

• Moving your hand to swat a mosquito

• Deciding to avoid a puddle

Which is true of the central nervous system?

• It is responsible for delivering messages from the brain to the muscles; it includes the brain and spinal cord

• It is responsible for integration (understanding); it includes the brain and spinal cord

• It is responsible for delivering messages from the sensory organs to the brain; it includes the brain and spinal cord

• It is responsible for integration (understanding); it includes the nerves

• It is responsible for delivering message from the sensory organs to the brain; it includes the nerves

How are neurons classified functionally?

• By the size of their axons

• By the type of neurotransmitter they release

• By the direction the impulse travels through them in relation to the central nervous system

• By their location in the body

Which structural classification of neurons is most common in the human body?

• Bipolar

• Unipolar

• Multipolar

• Sensory neurons

Which structural type of neuron is commonly found in the peripheral nervous system?

• Multipolar

• Bipolar

• Unipolar

• Motor neurons

What is another name for sensory neurons?

• Efferent neurons

• Afferent neurons

• Motor neurons

• Association neurons

Which type of neuron carries impulses from eyes, ears, nose, and tongue to the brain?

• Motor neurons

• Interneurons

• Sensory neurons

• Bipolar neurons

Which functional classification of neurons carries impulses through the central nervous system?

• Sensory neurons

• Motor neurons

• Interneurons

• Bipolar neurons