Reaction Time and Reflexes

What is reaction time?

• A measure of how quickly an organism responds to a stimulus

• An involuntary response that the body uses to protect itself

• The time it takes for a message to travel through the nervous system

• The time it takes for the cerebellum to make a decision

What is the difference between a reflex and a reaction?

• A reflex is an involuntary response, while a reaction is voluntary

• A reflex is slower than a reaction

• A reflex is a protective response, while a reaction is a decision-making process

• A reflex is a conscious action, while a reaction is unconscious

Which part of the nervous system helps information travel through the body?

• The five senses

• The cerebrum

• The spinal column

• The nerves

What is an example of a reflex?

• Blinking

• Catching a ball

• Practicing to improve reaction time

• Blocking pucks in hockey

What is the withdrawal reflex?

• Pulling the hand away from something hot

• Catching a ball with a baseball glove

• Blocking pucks in hockey

• Improving reaction time through practice