Nerves and Reflex

Which of these is a type of nerve cell?

• 100m neurone

• Discus neurone

• Pole vault neurone

• Relay neurone

Which of these are types of effectors?

• Muscles

• Organs

• Glands

• Receptors

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

• Stimulus-receptor-effector-coordinator-response

• Stimulus-effector-coordinator-receptor-response

• Stimulus-receptor-coordinator-effector-response

• Stimulus-receptor-coordinator-response-effector

The _________ is made up of the brain and the spinal cord

Why are reflexes important? (Indicate all that are correct)

• They are rapid

• They don't involve the conscious part of the brain

• They are voluntary

• They are involuntary

• They cause harm

Why is transmission across a synapse slower than down a nerve cell?

• It is a chemical so needs to diffuse across

• It is a chemical so needs to move by osmosis

• The nerve cell is insulated so it moves faster

• There are many dendrites to pick up lots of impulses from other neurones

One question involves the CNS. What is the full name of the other region of the nervous system.

• Peripheral nervous system

• Passive nervous system

• Partial nervous system

• Perineal nervous system

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

• Sensory neurone

• Motor neurone

• Relay neurone

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

• Sensory neurone

• Motor neurone

• Relay neurone

Synapses ensure nerve impulses only travel on one direction

• True

• False