IBHRE CEPS EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
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Course
Ibhre
Institution
Ibhre
Ohm's law equation - ANS V=IR
EKG monitored patient should be __________, monitor chassis should be ___________ (nonconductive). Why - ANS ungrounded, grounded. Grounded patients would be able to conduct leakage currents. we don't want this
lb to kg - ANS 2.2 lb = 1 kg
F to C - A...
QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) A+ GRADED
, Ohm's law equation - ANS V=IR
EKG monitored patient should be __________, monitor chassis should be ___________
(nonconductive). Why - ANS ungrounded, grounded. Grounded patients would be able to
conduct leakage currents. we don't want this
lb to kg - ANS 2.2 lb = 1 kg
ck
F to C - ANS C=5/9(F-32)
C to F - ANS F=9/5C+32
3 things that change automaticity of automatic cells - ANS 1. slope of phase 4
lo
2. Change of threshold potential
3. Change of resting membrane potential
a systole is represented by what portion of the ECG - ANS QT interval
yc
What is main ion transfer during systole - ANS K+ seeps out, Ca2+ enters
At rest, what is intracellular/extracellular environment - ANS inside negative, outside positive
What phase of AP is resting membrane potential - ANS phase 4
ud
Nodal depolarization occurs via what channel - ANS Ca2+ slow channel
Cardiac muscle cell depol occurs via what channel - ANS Na+ fast channel
During which phases is cell refractory - ANS 1,2,3
St
TDP caused by what mechanism usually - ANS EAD's (triggered activity)
Variance - ANS Take each number in sample, subtract each number from mean, square each
difference, add all, divide sum by number in sample -1
Standard deviation - ANS square root of variance
P value - ANS Probability of certainty / smaller p value means the more likely the result could
not occur by chance
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