Coordinate and Responses

The diagram shows a section through a human eye.

Which structure contains the muscle which contract to produce a focused image on the retina?

• A

• B

• C

• D

Which graph shows the relationship between light intensity and pupil size of the eye?

• A

• B

• C

• D

In what order does a nerve impulse travel through the nervous system?

• effector-> central nervous system -> receptor

• effector-> receptor -> central nervous system

• receptor -> central nervous system -> effector

• receptor -> effector -> central nervous system

The stimulation of a receptor causes a nerve impulse to travel along which pathway?

• effector -> sensory neurone -> relay neurone -> motor neurone

• motor neurone -> effector -> sensory neurone -> relay neurone

• relay neurone -> motor neurone -> effector -> sensory neurone

• sensory neurone -> relay neurone -> motor neurone -> effector

A person touches a hot pan. He quickly and automatically moves his hand away from the pan.

Neurone F was accidentally cut at point X. Which effect would this have if he now touches the hot pan?

• Stimulus - detected

  muscles - contract

• Stimulus - detected

  muscles - does not contract

• Stimulus - not detected

  muscles - contract

• Stimulus - not detected

  muscles - does not contract

Where is hormone insulin produced and where does it act?

• site of production - gall bladder

  site of action - ileum

• site of production - gall bladder

  site of action - liver

• site of production - pancreas

  site of action - ileum

• site of production - pancreas

  site of action - liver

Which substances are released from the endocrine cells in the islet of langerhans in the pancreas?

1. amylase

2. 2. glucagon

3. 3. insulin

4. 4. lipase

5. Which substances are released from the endocrine cells on the islets of Langerhans in the pancreas?

• 1 and 2

• 1 and 4

• 2 and 3

• 3 and 4

The graph shows how a person's blood glucose concentration changed over six hours.

At which point was insulin released into the person's blood?

• A

• B

• C

• D

The islets of Langerhans produce hormones.

Where are the islets of Langerhans found?

• ileum

• liver

• pancreas

• stomach

Which row about hormones is correct?

• A

• B

• C

• D