IBHRE CEPS FINAL EXAM NEWEST
ACTUAL EXAM WITH COMPLETE
QUESTIONS AND DETAILED ANSWERS
GRADED A | BRAND NEW!!!
In incremental pacing of RV, as CL decreases, the retrograde VA
conduction time normally _____ and the HA interval _____ -
✔✔✔ Correct Answer > Increases, increases
The electrical circuit that converts a signal with both positive
and negative components into a signal with only one
component is a - ✔✔✔ Correct Answer > Rectifier
In pacing, capacitors are:
A. charged and discharged in parallel (C1 + C2)
B. charged and discharged in series (1/C1 + 1/C2)
C. charged in parallel, discharged in series
D. charged in series, discharged in parallel - ✔✔✔ Correct
Answer > in parallel, discharged in series
,Cardiac cells have several unique properties. Which of the
following refers to the cells inability to respond to a stimulus? -
✔✔✔ Correct Answer > Refractoriness
What is roughly equal to systolic blood pressure? - ✔✔✔
Correct Answer > Afterload
Postero-septal bypass tracts are approached by mapping -
✔✔✔ Correct Answer > The tricuspid annulus near the CS os, or
mitral annulus in septal region
The time from electrical depolarization of the heart to
mechanical systole describes which of the following terms? -
✔✔✔ Correct Answer > Pre-ejection interval
What branch of the RCA feeds the AVN - ✔✔✔ Correct Answer
> Conus
What does flecanide do to capture thresholds? - ✔✔✔ Correct
Answer > Increases
,First line drug for torsades - ✔✔✔ Correct Answer >
Magnesium sulfate or isuprel
AAD preferred in treatment of Afib in pt with renal failure -
✔✔✔ Correct Answer > Amiodarone
AAD associated with GI upset - ✔✔✔ Correct Answer >
Quinidine
Level of sedation: Patient unable to respond to physical
stimulation and/or verbal commands, unable to maintain
protective reflexes - ✔✔✔ Correct Answer > Deep sedation
For a patient who is taking digoxin, which of the following drugs
would not be likely to increase the digoxin level when
administered concomitantly? - ✔✔✔ Correct Answer >
Procainamide
A drug commonly used to induce parasympathetic block in
order to assess sinus node function is: - ✔✔✔ Correct Answer >
Atropine
, Fluoroquinolones, a new generation of broad spectrum
antibiotics, is known for which of the following cardiac effects?
- ✔✔✔ Correct Answer > Prolonging QT
Sinoatrial conduction time is a calculated measure of
conduction time - ✔✔✔ Correct Answer > Across the SA node
What type of rhythms demonstrate afterdepolarizations of
sufficient magnitude which may engage the rapid sodium
channels? - ✔✔✔ Correct Answer > Triggered
Ventricular activation time is measured from - ✔✔✔ Correct
Answer > The beginning of the Q wave to the peak of the R
wave
Incremental atrial pacing and abrupt termination is the method
used to measure - ✔✔✔ Correct Answer > SNRT
A split His is indicative of - ✔✔✔ Correct Answer > HPS disease
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