B2 - Brain And Eye

Question 1

What part of the brain controls our senses and emotions?

Answer 1

Cerebral cortex

Question 2

State one thing that the cerebellum controls.

Answer 2

balance, posture or fine motor movements

Question 3

The medulla oblongata is responsible for:

Answer 3

Regulates heart rate, breathing rate and blood pressure

Question 4

The hypothalamus is responsible for:

Answer 4

Thermoregulation

Question 5

What type of cells is the brain mainly made up of?

Answer 5

Neurones

Question 6

What name is given to an electrical signal transmitted by a neurone?

Answer 6

Impulse

Question 7

What is the name of the main endocrine gland in the brain?

Answer 7

Pituitary

Question 8

Which neurone is located in the central nervous system?

Answer 8

Relay

Question 9

Which cerebral hemisphere receives information from the right eye?

Answer 9

Left

Question 10

a PET scan shows…

Answer 10

Brain activity

Question 11

Which part of the eye sends electrical signals to the brain?

Answer 11

Optic nerve

Question 12

Which part of the eye controls the amount of light entering the eye?

Answer 12

Iris

Question 13

Which part of the eye allows light to enter the eye?

Answer 13

Pupil

Question 14

Which part of the eye focuses light onto the retina?

Answer 14

Lens

Question 15

Which part of the eye detects light and colour?

Answer 15

Retina

Question 16

What controls the lens thickness for focusing?

Answer 16

Ciliary Muscles

Question 17

Which of the following is true for long-sightedness?

Answer 17

The focal point is behind the retina

Question 18

Which receptors are more responsive in dim light?

Answer 18

Rods

Question 19

Why does the lens need to become fatter to focus on closer objects?

Answer 19

To refract the light rays more

Question 20

What type of eye problem is caused by protein build up inside the lens?

Answer 20

Cataracts