1. Introduction to imaging techniques

Question 1

Name 2 diagnostic imaging techniques using ionising radiation

Answer 1

X-ray
Computed tomography (CT)

Question 2

Name 2 diagnostic imaging techniques using no ionising radiation

Answer 2

Ultrasound

Magnetic Resonance Imaging (MRI)

Question 3

What is the problem with ionising radiation?

Answer 3

Risk of inducing cancer years after exposure

Question 4

Describe what appears black, grey and white on an x-ray

Answer 4

Black: Air, Fat
Grey: Soft tissue
White: Bone

Question 5

List 2 commonly used contrast agents used for X-rays

Answer 5

Barium

Iodine

Question 6

What can a CT scan do that an X-ray cannot?

Answer 6

Can differentiate water and soft tissue

Question 7

Describe the anatomical planes of the foot

Answer 7

Plantar surface: Sole of foot

Dorsal surface: (Laces would be here)

Question 8

Describe the anatomical planes of the hand

Answer 8

Palmar: Palm
Dorsal: Knuckle side of hand