A The rate at which an X-ray photon transfer its energy to irradiated matter

B The thickness of a substance required to reduce the number of X-ray photons by half

C The time taken for X-ray photons to travel half the distance from the source to the object

D The heel-effect seen when the anode is placed at an angle to the electron stream in the X-ray cathode tube

A Exposes more tissue by producing a more divergent beam

B Exposes less tissue by producing a less divergent beam

C Produces a sharper image

D Both 2 and 3

A MRI

B OPG

C CT

D Cephalogram

A Type 1

B Type 2

C Type 3

D Type 4

A Esophagus

B Stomach and duodenum

C Small intestine

D Colon and rectum

A Doppler ultrasound blood flow detection

B Duplex imaging

C Treadmill

D Digital substraction angiography (DSA)

A Glioblastoma

B Arterio-venous malformation

C Tuberculoma

D Hepatocellular carcinoma

A First 10 days of menstrual cycle

B Last 10 days of menstrual cycle

C 10-20th day of menstrual cycle

D Period of menstruation

A Water

B Very dense bone structure

C AIR

D Fat

A Lung ventilation-perfusion scan

B Pulmonary aeriography

C Pulmonary venous angiography

D Echocardiography