X-ray rooms:

A. Must have radiation warning sign on one door

B. Should have radiation warning lights outside for fluoroscopy, angiography and CT :

• A only

• B only

• Both A and B

• Neither A and B

Plan Radiation protection for staff:

A.Distance between control panel and unit minimum 2m

B. Radio protection aprons, lead gloves and mask

• A only

• B only

• Both A and B

• Neither A and B

Plan radiation protection for patients:

A. Minimize area of exposure

B. Periodic quality control and calibration of X-ray machines

• A only

• B only

• Both A and B

• Neither A and B

Principle of machine installation:

A. X-ray tube should point towards the control unit

B. It should point towards dark room

• A only

• B only

• Both A and B

• Neither A and B

Safety consideration for radiation protection:

A. Exposure of restricted areas to prevent radiation hazards B. Promote awareness among doctors and staff

• A only

• B only

• Both A and B

• Neither A and B

X-ray cassette film sizes:

A.8” x 10”

B. 18 cm x 24 cm

• A only

• B only

• Both A and B

• Neither A and B

X-ray room construction materials:

A. Walls should have at least 6 inches concrete hollow

B. blocks Plastered with ½ inch cement plaster on one side

• A only

• B only

• Both A and B

• Neither A and B

X-ray rooms walls construction materials

A. Must have at least 1/16 inch (1.5mm) thick lead

B. Must be glued or sandwich between wooden panels

• A only

• B only

• Both A and B

• Neither A and B

Both halves of the door leading xray rooms must be lined with:

A. 1.55 mm thick lead sheet form edge to edge

B. At least 1 meter from the floor

• A only

• B only

• Both A and B

• Neither A and B

Lead glass viewing window

A. A lead equivalence of at least 1.5mm

B. Must exceed 2 meters in height to prevent technician-patient communication

• A only

• B only

• Both A and B

• Neither A and B