Nervous system and hormones

Which of the following is not an example of a receptor?

• Eye

• Muscle

• Skin

• Ear

What is the role of an effector?

• Detects changes in the evironment

• Sends a signal to the brain

• Causes a response

• Sends a signal to a gland

What is the central nervous system made up of? Select all that apply

• brain

• spinal cord

• sensory neurons

• all of the above

Which statement best describes a nerve impulse?

• A chemical messanger carried in the blood

• A slow signal that can act over a long time

• A small electrical charge carried along a neurone

• A large electrical charge that flows through the veins

Nerve impulses are

• fast

• slow

What are the advantages of reflex actions?

• They are fast

• You have to think about how you will respond

• They are automatic

• They can prevent damage to the body

What role does insulin have in the body?

• It increases blood glucose levels

• It decreases blood glucose levels

• It has no effect on blood glucose levels

• It causes diabetes

What is the target organ for insulin?

• the brain

• the pancreas

• the liver

• the kidneys

Which type of diabetes is linked to lifestyle choices?

• Type 1

• Type 2

What are the effects of insulin? Select all that apply

• stimulates the conversion of glucose to glycogen

• stimulates increased uptake of glucose by cells

• stimulates increased digestion of glucose

• stimulates increased respiration of glucose