Milli-REM - Answers Radiation dosage unit
100 mrem - Answers Effective dose limit of radiation is _____ per month
Rad & Gray - Answers Units used to describe amount of radiation received by a patient
Rem or Sievert - Answers Units used to describe occupational exposure to radiation by a worker.
5.0 mRem - Answers The international commission on radiation protection (ICRP) has recommended
that the yearly MPD for operators not exceed...
ALARA - Answers The main guiding principle in radiation exposure - as low as reasonably possible
Scattered radiation, the patient - Answers This type of radiation is the biggest hazard to the scrub
assistant, and comes from _____
Catarcts - Answers Leaded glasses are designed to protect from radiation which is most likely to cause:
0.3, 80 - Answers A lead apron should be equivalent to: _____ mm and filter out _____% of x-rays
Flat Panel Detector - Answers Large-area detector consisting of a film of scintillating crystals bonded to a
matrix of silicon photosensors. Replacing the Image Intensifier in many labs - converts x-rays into visible
Seldinger Technique - Answers A technique that involves inserting a needle with a syringe, then inserting
a guide wire into the needle, removing the needle and inserting a catheter over the guide wire
Pulsatile blood - Answers What is the best clue that you have successfully gotten arterial access (and not
venous)?
Hematoma - Answers A swelling or mass of blood confined to a tissue space, caused by a needle hole in
a blood vessel
Extravasion - Answers The escape of fluid into a surrounding space (live an IV needle that comes out of
the vein, flooding the tissue)
Subclavian vein - Answers Which IV access site is hemostasis most difficult to achieve
A hissing sound - Answers What is an immediate sign of an air embolism during subclavian puncture and
sheath insertion
Trendelenburg - Answers Patient position with head lower than feet. Causes increased venous pressure
in the thorax, which can reduce air embolism
Antecubital venogram - Answers What can help reduce risk of pneumothorax and air embolism prior to
subclavian puncture in a pacemaker implant