Radiology / Medical Imaging Flashcards
1
Q
What 4 types of imaging uses ionizing radiation?
A
- Plain films (x-rays)
- CT
- Nuclear medicine
- PET scan
2
Q
Ionizing radiation can cause ____, ____, and ____.
A
- malignancy
- developmental defects
- genetic damage
3
Q
Iodinated contrast media used for plain films and CT can cause ___.
A
Renal damage (Contrast induced nephropathy)
4
Q
MRI constrast can cause ___.
A
Nephrogenic Systemic Fibrosis
5
Q
In plain films and CT radiography, air is __[color]__.
A
black
6
Q
In plain films and CT radiography, fat is __[color]__.
A
gray
7
Q
In plain films and CT radiography, bone and calcium is __[color]__.
A
white
8
Q
A ___ scan shows metabolically functioning tissue in the body
A
PET scan
9
Q
What 3 circumstances should you communicate with radiologist to prevent potential injury to your patient?
A
- possible pregnancy
- prior radiation burdens
- underlying renal disease / condition that predisposes to renal impairment
10
Q
What are the potential physical hazards you should consider when ordering imaging?
A
- allergy to contrast
- too much radiation
- nephrogenic damage from contrast media
