VNSA8: Introduction to Radiography

X-rays are dangerous...

• No

• Yes

• Sometimes

Which of the following is a principle associated with radiation safety?

• ALARA

• COSHH

• HASAWA

• IRR

Which of the following is NOT a way to reduce our exposure to x-ray radiation?

• Wear protective clothing such as a lead gown

• Distance ourselves from the source

• Reduce the length of the exposure

• Increase the number of x-ray photons in the primary beam

Which of the following would NOT be classed as a clinical sign of ACUTE radiation exposure?

• Vomiting

• Diarrhoea

• Low blood cell counts

• Polyuria

What is the maximum permissible dose (MPD) for an adult per year?

• 5mSv / year

• 10mSv / year

• 15mSv / year

• 20mSv / year

Protective clothing contains lead. What is the MINIMUM acceptable thickness for this lead?

• 0.15mm

• 0.25mm

• 0.35mm

• 0.45mm

X-rays travel in waves...

• True

• False

Medical x-rays are:

• Short wavelength / low frequency

• Short wavelength / high frequency

• Long wavelength / low frequency

• Long wavelength / high frequency

In relation to atoms...which particles travel in orbits around the nucleus?

• Protons

• Neutrons

• Electrons

• Klingons

Which of the following is produced in the HIGHEST QUANTITY when we press the exposure button?

• X-ray photons

• Electrons

• Heat

• Kinetic energy