Reflexes

what is a reflex

• learned response

• born with, not learned

• fluid like substance

• trait you carry but do not have

what is a conditioned reflex

• learned by conscious repetition

• learned without conscious thought

• not learned, born with

• balance between internal/external

What is the function of receptors

• keep a balance between internal/external

• learned by being tricked

• respond to the stimulus

• learning by repetition

Tags

NGSS.MS-LS1-8

what is a stimulus

• something you are born with

• something that causes a response/reaction

• basic unit of life

• traits that you receive

Tags

NGSS.MS-LS1-8

Which of the following best describes a reflex arc?

• A direct connection between the brain and muscles

• A pathway involving sensory neurons, interneurons, and motor neurons

• A loop involving only the brain and spinal cord

• A circuit that requires conscious thought

Which of the following is a conditioned reflex?

• Knee-jerk reaction

• Salivating at the sound of a bell after conditioning

• Withdrawal from a painful stimulus

• Pupil constriction in bright light

A reflex reaction is an .....

• involuntary response

• voluntary response

• conscious response

• response

Which of these are the correct pathway for the reflex arc?

• Stimulus-receptor-effector-coordinator-response

• Stimulus-receptor-coordinator-effector-response

• Stimulus-effector-coordinator-receptor-response

• Stimulus-receptor-coordinator-response-effector

Look at the reflex arc shown in the diagram. Which neurone is marked by the letter X?

• Sensory neurone

• Relay neurone

• Motor neurone

• CNS

Look at the reflex arc shown in the diagram. Which neurone is marked by the letter Y?

• Sensory Neurone

• Relay Neurone

• Motor neurone

• CNS