Eyes, Brain and Injury (paper1)

Question 1

What lens is used to correct short sightedness

Answer 1

Diverging

Question 2

What lens is used to correct long sightedness

Answer 2

Converging

Question 3

What causes a cataract?

Answer 3

A build up of protein in the cornea causing cloudiness

Question 4

What detects colour in your retina

Answer 4

Cones

Question 5

What detects shape and shadow in your retina

Answer 5

Rods

Question 6

What’s a CT scan

Answer 6

Computed tomography scan

Question 7

What’s a PET scan

Answer 7

Positron emission tomography

Question 8

What’s the see-through substance in your eye

Answer 8

Vitreous humor

Question 9

What’s the cerebral cortex used for

Answer 9

Language, sensory, memory and behaviour

Question 10

What does the medulla oblongata controls

Answer 10

Breathing and heart rate

Question 11

What does the cerebellum control

Answer 11

Balance and posture

Question 12

What do ct scans detect

Answer 12

The absorption of the X-rays

Question 13

What can a spinal injury lead to

Answer 13

Paralysis or quadriplegia

Question 14

What are brain tumours treat with

Answer 14

Surgery, radiotherapy, or chemotherapy

Question 15

How can spinal cord damage affect limbs

Answer 15

Paralysis happens when an impulse reaches CNS and cannot pass because of the faulty neurones

Question 16

What does the corpus callosum do

Answer 16

Connects the different sides of the brain

Question 17

What does the hypothalamus do

Answer 17

Sends messages to the cerebral cortex and to the body

Question 18

What does the cerebral cortex do

Answer 18

Let’s us think

Question 19

What does the hypothalamus do

Answer 19

Detects wether the body is hot or cold

Question 20

What does the hippocampus do

Answer 20

Helps us remember