1. Preload refers to:
b. Preload is the volume of blood that enters the right
a. The volume of blood
side of the heart. This volume stretches the fibers in
enter- ing the left side of
the heart prior to contraction. Preload is commonly
the heart
measured as atrial pressure.
b. The volume of blood
enter- ing the right side
of the heart
c. The pressure in the
venous system that the
heart must overcome to
pump the blood
d. The pressure in the
arteri- al system that the
heart must overcome to B. According to the 2010 BLS and ACLS guidelines,
pump the blood suctioning for longer than 10 seconds may result in
pulling too much oxygen out of the airways resulting in
2. When suctioning during a
hypoxemia.
car- diac arrest,
suctioning should be
limited to which of the
fol- lowing?
a. Less than 5 seconds
b. Less than 10 seconds
c. Less than 20 seconds C. Quantitative waveform capnography provides a good
d. Less than 30 seconds indi- cation of the quality of CPR. Levels < 10 mm HG
indicate either a problem with the quality of CPR or
3. You are caring for a 65 with the placement of the ETT. EtCO2 levels of 1d0
year old who collapsed mmHg predicted death in adult patients
outside of the hospital
and was brought in to the
emergency depart-
ment. During CPR, quantitative with cardiac arrest. Measurement of EtCO2 varies
, CEN Cardiovascular Emergencies Study Guide Exam.
directly with
waveform capnography shows the cardiac output produced by chest compression
. Goal is
a PETCO2 level < 10 mm 35-45mmg HG or 5-6% CO2.
HG. Which of the
following is the correct
response to this find-
ing?
a. Do nothing; this is
normal.
, CEN Cardiovascular Emergencies Study Guide Exam.
b. Increase the amount of
oxy- gen being delivered.
c.Attempt to improve the
qual- ity of CPR.
d. Decrease the amount of
oxy- gen being delivered.
4. You are caring for an 85 D. Any drug that can be given via the IV route can
year old and are having also be given via the IO route. Although commonly
trouble es- tablishing an thought of in reference to pediatric patients, an IO
intravenous line. route can be established on any age
The ED physician asks for an in- person. IO access is the preferred route over the
ETT but not
traosseous needle to be ad- ministered via the IO
establish an IO line for route.
medication ad-
ministration. Which of 5. You have defibrillated the pa-
the fol- lowing is TRUE tient in ventricular fibrillation.
about the in- traosseous The appropriate action to take
route of drug ad- next is:
ministration? a. Do CPR for a 2-minute cycle.
a. It should only be
done on children under
the age of 16.
b. It is preferred over the
IV route of drug
administration.
c. It should only be
attempt- ed after all
other routes have been
attempted.
d. Any drug or fluid can