A 0.25 mm lead apron will D. 95%
reduce scattered x-rays by
approximately:
A. 15%
B. 25%
C. 50%
D. 95%
According to American D. access to Zones III and IV should be severely
College of Radiology restricted because of the risk of injury or death from
guidelines on magnetic magnetic interactions with ferromagnetic materials
resonance (MR) safety:
A. patients and non-MR
staff should be allowed to
travel freely through Zone II
B. patients and non-MR staff
should have unrestricted
access to Zone III
C. non-MR staff should
have access to Zone II as
long as they are wearing a
dosimeter
D. access to Zones III and
IV should be severely
restricted because of the
risk of injury or death from
magnetic interactions with
ferromagnetic materials
,According to AORN's A. Allowed to remain unless it interferes with the surgical
guidelines for skin procedures
preparation of patients, hair
at the operative site is _____.
A. Allowed to remain unless
it interferes with the surgical
procedures
B. Always removed with a
depilatory
C. Removed at least two
hours before surgery
D. Dry shaved as opposed
to wet shaved
According to the 2013 D. All of the above
American College of
Radiology guidelines on MR
safety:
A. All clinical and research
MR sites should maintain
MR safety policies.
B. An MR medical director
should be designated to
ensure that safety
guidelines are established
and updated
C. The MRI suite should be
a zero tolerance zone
where adverse events, MR
safety incidents, or near
accidents are promptly
reported to the MR medical
director
D. All of the above
,The acid-base effects of B. Elevated PaCO2 with respiratory acidosis and
pneumatic tourniquet metabolic acidosis
deflation following a period
of inflation are
characterized by:
A. Elevated PaCO2 with
respiratory acidosis and
metabolic alkalosis
B. Elevated PaCO2 with
respiratory acidosis and
metabolic acidosis
C. Decreased PaCO2 with
respiratory alkalosis and
metabolic acidosis
D. Decreased PaCO2 with
respiratory alkalosis and
metabolic alkalosis
Alcohol should be used for B. False
cleaning and disinfection of
large blood spills.
A. True
B. False
, All are UNSAFE practices in C. Carefully recapping contaminated needles using a
the OR EXCEPT which of scooping technique
the following?
A. Passing sharps hand-to-
hand between team
members during
orthopedic surgery
B. Waiting until after surgery
to say something if you
observe unsafe sharps
handling
C. Carefully recapping
contaminated needles using
a scooping technique
D. Disposing of sharps in an
unlabeled bag
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