Hvad gør en scintillator?

Digital Radiografi

Quiz
•
Science
•
University
•
Medium

Sara Løber
Used 2+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Omdanner røntgenfotoner til elektroner
Omdanner røntgenfotoner til lys
Omdanner elektroner til røntgenfotoner
Omdanner lys til røntgenfotoner
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Hvilke scintillatorer anvendes i radiografien?
CsI
NaI
GdOS
Wolfram
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giver alle fotoner samme signal?
Ja
Nej
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvilken matrix vil give bedst rumlig opløsning?
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Hvilken enhed har rumlig frekvens?
pixels/cm
lp/mm
lp/cm
pixels/lp
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jo højere bitdybde, jo flere gråtoner kan der vises
Sandt
Falsk
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad svarer 1 byte til i bit?
1000B
1000b
8B
8b
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvis man fordobler afstanden til røntgenrøret, hvordan ændrer intensiteten sig så?
Den halveres
Den bliver en fjerdedel
Den fordobles
Den tredobles
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