WorksheetsWORLD RADIOGRAPHY DAY 2021 - JABATAN PENGIMEJAN BIO PERUBATAN
Total questions: 20
Worksheet time: 7mins
What year where x-rays discovered?
1800
1895
1896
1905
Where was Marie Curie born?
Paris, France
London, UK
Warsaw, Poland
Prague, Check Republic
Which of the following is the largest source of human exposure to man-made radiation?
Cosmic Rays
Diagnostic X-rays
Nuclear Power Plants
Terrestrial Radiation
Who discovered the phenomenon now known as radioactivity in 1896?
Wilhelm Roentgen
Pierre Curie
Henri Becquerel
Marie Curie
Absorbed radiation dose is measured in what SI unit?
Curie
Gray
Sievert
Rad
How many mobile X-ray units had Marie started by the end of WWI ?
Over 100
over 10
over 200
60
How many mobile X-ray units that we have in University Malaya Medical Centre ?
6
9
5
2
Assume both these pediatric patient have normal heart anatomy position (no dextrocardia) & the x-ray markers were put based on body anatomy side, which is AP chest radiograph of left lateral decubitus position?
Most of the energy of the electrons from the cathode is converted to:
X-Rays
Scatter
Heat
Primary Beam
Wilhelm Röntgen discovered x-rays. He was
French
Dutch
German
Hungarian
Regarding digital image receptor in direct Digital Radiography (DR):
(2 Answers)
It converts X-rays to electric signals.
Thin-film transistor collects electrical charge.
Charge-coupled device (CCD) is used to collect electrical charge in direct digital image receptor.
The caesium iodide (CsI) crystal is use to convert X-rays to lights.
Lights are produced following the interactions of X-rays with amorphous selenium.
Part of fluoroscopic imaging chain includes:
(4 Answers)
charge-coupled device (CCD) camera.
kerma air product (KAP) metre.
flat panel image receptor.
molybdenum filter.
intensifying tube.
X-rays travel in straight lines.
true
false
Three liquids which are essential to process an exposed radiographic film properly are:
a. developer, acetic acid and water
b. developer, fixer and H2O2
c. developer, fixer and water
d. acid, fixer and water
The radiation quality of a gamma ray source is:
a. determined by the size of the focal spot
b. determined by the isotope involved
c. varied by the operator
d. greater in Ir-192 than in Co-60
What is the distance between two similar points on two successive waves called?
Wavelength
Frequency
Velocity
Energy level
What was the first human image created by x-ray?
brain
foot
hand
elbow
