ACTUAL Exam Questions and CORRECT
Answers
Milli-REM - CORRECT ANSWER - Radiation dosage unit
100 mrem - CORRECT ANSWER - Effective dose limit of radiation is _____ per month
Rad & Gray - CORRECT ANSWER - Units used to describe amount of radiation received
by a patient
Rem or Sievert - CORRECT ANSWER - Units used to describe occupational exposure to
radiation by a worker.
5.0 mRem - CORRECT ANSWER - The international commission on radiation protection
(ICRP) has recommended that the yearly MPD for operators not exceed...
ALARA - CORRECT ANSWER - The main guiding principle in radiation exposure - as
low as reasonably possible
Scattered radiation, the patient - CORRECT ANSWER - This type of radiation is the
biggest hazard to the scrub assistant, and comes from _____
Catarcts - CORRECT ANSWER - Leaded glasses are designed to protect from radiation
which is most likely to cause:
0.3, 80 - CORRECT ANSWER - A lead apron should be equivalent to: _____ mm and
filter out _____% of x-rays
, Flat Panel Detector - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - What is the best clue that you have successfully
gotten arterial access (and not venous)?
Hematoma - CORRECT ANSWER - A swelling or mass of blood confined to a tissue
space, caused by a needle hole in a blood vessel
Extravasion - CORRECT ANSWER - The escape of fluid into a surrounding space (live an
IV needle that comes out of the vein, flooding the tissue)
Subclavian vein - CORRECT ANSWER - Which IV access site is hemostasis most
difficult to achieve
A hissing sound - CORRECT ANSWER - What is an immediate sign of an air embolism
during subclavian puncture and sheath insertion
Trendelenburg - CORRECT ANSWER - Patient position with head lower than feet.
Causes increased venous pressure in the thorax, which can reduce air embolism
Antecubital venogram - CORRECT ANSWER - What can help reduce risk of
pneumothorax and air embolism prior to subclavian puncture in a pacemaker implant
LA Pressure Waveform - CORRECT ANSWER - Most common method used to document
crossing the IA septum in the LA