IBHRE CEPS Exam Questions And Answers Rated A+ .
Ohm's law equation - correct answer. V=IR
EKG monitored patient should be __________, monitor chassis should be ___________ (nonconductive). Why - correct answer. ungrounded, grounded. Grounded patient would be able to conduct lea...
IBHRE CEPS Exam Questions And
Answers Rated A+ 2024-2025.
Ohm's law equation - correct answer. V=IR
EKG monitored patient should be __________, monitor chassis should be
___________ (nonconductive). Why - correct answer. ungrounded, grounded.
Grounded patient would be able to conduct leakage currents. we dont want this
lb to kg - correct answer. 2.2 lb = 1 kg
F to C - correct answer. C=5/9(F-32)
C to F - correct answer. F=9/5C+32
3 things that change automaticity of automatic cells - correct answer. 1. slope of
phase 4
2. Change of threshold potential
3. Change of resting membrane potential
a systole is represented by what portion of the ECG - correct answer. QT interval
What is main ion transfer during systole - correct answer. K+ seeps out, Ca2+ enters
At rest, what is intracellular/extracellular environment - correct answer. inside
negative, outside positive
What phase of AP is resting membrane potential - correct answer. phase 4
Nodal depolarization occurs via what channel - correct answer. Ca2+ slow channel
Cardiac muscle cell depol occurs via what channel - correct answer. Na+ fast channel
, During which phases is cell refractory - correct answer. 1,2,3
TDP caused by what mechanism usually - correct answer. EAD's (triggered activity)
Variance - correct answer. Take each number in sample, subtract each number from
mean, square each difference, add all, divide sum by number in sample -1
Standard deviation - correct answer. square root of variance
P value - correct answer. Probability of certainty / smaller p value means the more
likely the result could not occur by chance
survival curve showing % of patients surviving treatment over time - correct answer.
Kaplan - Meier curves
when measuring EGM's, earliest atrial activation usually from _____ and earliest
ventricular usually from ______ - correct answer. P wave / QRS
Morady maneuver is used to differentiate - correct answer. differentiate AT from
AVNRT/AVRT
Most common arrhythmia - correct answer. AF
Most common SVT - correct answer. AVNRT
What type of single use devices can be resterilized and why? - correct answer.
Diagnostic EP electrodes because lumen and technically not a catheter because no
lumen
Fr to mm - correct answer. 1 Fr = .33 mm
Tip inner diameter standard diagnostic cardiac catheters and why - correct answer.
.038 inch / because it is supposed to be used with .035-.038 inch guide wires
What is 2 rules for CMC's like spiral or lasso - correct answer. 1. Only approved for
use in LA due to chordae tendinea
2. Only rotate shaft clockwise
Stereotaxis catheters - correct answer. Have magnets in tip for maneuverability in
response to changes in magnetic field
What system remotely steers guided catheters - correct answer. Hansen robotic
system
ACT for using array - correct answer. ACT 250-300
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