Chapter 16 Quiz 1

The diagram below shows a horizontal section of the human eye.

Identify structure A.

• lens

• pupil

• cornea

• sclera

The diagram below shows a horizontal section of the human eye.

Identify structure D.

• ciliary muscle

• suspensory ligament

• circular muscle

• radial muscle

The diagram below shows a horizontal section of the human eye.

Identify structure E.

• ciliary muscle

• suspensory ligament

• circular muscle

• radial muscle

The diagram below shows a horizontal section of the human eye.

Identify structure F.

• sclera

• choroid

• retina

• blind spot

The diagram below shows a horizontal section of the human eye.

Identify structure G.

• sclera

• choroid

• retina

• blind spot

The diagram below shows a horizontal section of the human eye.

Identify structure J.

• eye muscle

• suspensory ligament

• yellow spot

• optic nerve

The diagram below shows a horizontal section of the human eye.

Which of the labelled structures refract(s) the light rays entering the eye?

• C only

• A and C only

• A, B and C only

• A, B, C and G only

The diagram below shows a horizontal section of the human eye.

Which of the labelled structures regulate(s) the amount of light entering the eye?

• B only

• A and B only

• A and C only

• A, B and C only

The diagram below shows a horizontal section of the human eye.

Which of the labelled structures deliver(s) nutrients and oxygen to the eye?

• G only

• H only

• G and H only

• F, G and H only

The diagram below shows a horizontal section of the human eye.

Area H has a ________________ density of rod cells than area I.

• higher

• lower