IBHRE CEPS Exam with correct answers
Ohm's |law |equation |- |correct |answers✔✔V=IR
EKG |monitored |patient |should |be |__________, |monitor |chassis |should |be |___________ |
(nonconductive). |Why |- |correct |answers✔✔ungrounded, |grounded. |Grounded |patient
|would |be |able |to |conduct |leakage |currents. |we |dont |want |this
lb |to |kg |- |correct |answers✔✔2.2 |lb |= |1 |kg
F |to |C |- |correct |answers✔✔C=5/9(F-32)
C |to |F |- |correct |answers✔✔F=9/5C+32
3 |things |that |change |automaticity |of |automatic |cells |- |correct |answers✔✔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 |answers✔✔QT |interval
What |is |main |ion |transfer |during |systole |- |correct |answers✔✔K+ |seeps |out, |Ca2+ |
enters
At |rest, |what |is |intracellular/extracellular |environment |- |correct |answers✔✔inside |
negative, |outside |positive
What |phase |of |AP |is |resting |membrane |potential |- |correct |answers✔✔phase |4
Nodal |depolarization |occurs |via |what |channel |- |correct |answers✔✔Ca2+ |slow |
channel
,Cardiac |muscle |cell |depol |occurs |via |what |channel |- |correct |answers✔✔Na+ |fast |
channel
During |which |phases |is |cell |refractory |- |correct |answers✔✔1,2,3
TDP |caused |by |what |mechanism |usually |- |correct |answers✔✔EAD's |(triggered |
activity)
Variance |- |correct |answers✔✔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 |answers✔✔square |root |of |variance
P |value |- |correct |answers✔✔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 |
answers✔✔Kaplan |- |Meier |curves
when |measuring |EGM's, |earliest |atrial |activation |usually |from |_____ |and |earliest |
ventricular |usually |from |______ |- |correct |answers✔✔P |wave |/ |QRS
Morady |maneuver |is |used |to |differentiate |- |correct |answers✔✔differentiate |AT |from |
AVNRT/AVRT
Most |common |arrhythmia |- |correct |answers✔✔AF
Most |common |SVT |- |correct |answers✔✔AVNRT
What |type |of |single |use |devices |can |be |resterilized |and |why? |- |correct |
answers✔✔Diagnostic |EP |electrodes |because |lumen |and |technically |not |a |catheter |
because |no |lumen
, Fr |to |mm |- |correct |answers✔✔1 |Fr |= |.33 |mm
Tip |inner |diameter |standard |diagnostic |cardiac |catheters |and |why |- |correct |
answers✔✔.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 |answers✔✔1. |Only |approved |for
|use |in |LA |due |to |chordae |tendinea
2. |Only |rotate |shaft |clockwise
Stereotaxis |catheters |- |correct |answers✔✔Have |magnets |in |tip |for |maneuverability |
in |response |to |changes |in |magnetic |field
What |system |remotely |steers |guided |catheters |- |correct |answers✔✔Hansen |robotic |
system
ACT |for |using |array |- |correct |answers✔✔ACT |250-300
bipolar |cardiac |electrodes |record |local |_________ |that |occur |during |phase |_______ |- |
correct |answers✔✔depolarizations |/ |phase |0
surface |EKG |leads |usually |filtered |at |what |- |correct |answers✔✔.1 |- |100 |Hz
Normal |EGM |filter |settings |- |correct |answers✔✔30 |- |300 |Hz
What |to |do |if |T |waves |interfere |with |A/V |and |why |- |correct |answers✔✔Increase |the |
high |pass |filter |because |T |waves |are |lower |frequency |as |well |as |far |field
Unipolar |filter |setting |- |correct |answers✔✔.05 |- |300 |Hz
Ohm's |law |equation |- |correct |answers✔✔V=IR
EKG |monitored |patient |should |be |__________, |monitor |chassis |should |be |___________ |
(nonconductive). |Why |- |correct |answers✔✔ungrounded, |grounded. |Grounded |patient
|would |be |able |to |conduct |leakage |currents. |we |dont |want |this
lb |to |kg |- |correct |answers✔✔2.2 |lb |= |1 |kg
F |to |C |- |correct |answers✔✔C=5/9(F-32)
C |to |F |- |correct |answers✔✔F=9/5C+32
3 |things |that |change |automaticity |of |automatic |cells |- |correct |answers✔✔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 |answers✔✔QT |interval
What |is |main |ion |transfer |during |systole |- |correct |answers✔✔K+ |seeps |out, |Ca2+ |
enters
At |rest, |what |is |intracellular/extracellular |environment |- |correct |answers✔✔inside |
negative, |outside |positive
What |phase |of |AP |is |resting |membrane |potential |- |correct |answers✔✔phase |4
Nodal |depolarization |occurs |via |what |channel |- |correct |answers✔✔Ca2+ |slow |
channel
,Cardiac |muscle |cell |depol |occurs |via |what |channel |- |correct |answers✔✔Na+ |fast |
channel
During |which |phases |is |cell |refractory |- |correct |answers✔✔1,2,3
TDP |caused |by |what |mechanism |usually |- |correct |answers✔✔EAD's |(triggered |
activity)
Variance |- |correct |answers✔✔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 |answers✔✔square |root |of |variance
P |value |- |correct |answers✔✔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 |
answers✔✔Kaplan |- |Meier |curves
when |measuring |EGM's, |earliest |atrial |activation |usually |from |_____ |and |earliest |
ventricular |usually |from |______ |- |correct |answers✔✔P |wave |/ |QRS
Morady |maneuver |is |used |to |differentiate |- |correct |answers✔✔differentiate |AT |from |
AVNRT/AVRT
Most |common |arrhythmia |- |correct |answers✔✔AF
Most |common |SVT |- |correct |answers✔✔AVNRT
What |type |of |single |use |devices |can |be |resterilized |and |why? |- |correct |
answers✔✔Diagnostic |EP |electrodes |because |lumen |and |technically |not |a |catheter |
because |no |lumen
, Fr |to |mm |- |correct |answers✔✔1 |Fr |= |.33 |mm
Tip |inner |diameter |standard |diagnostic |cardiac |catheters |and |why |- |correct |
answers✔✔.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 |answers✔✔1. |Only |approved |for
|use |in |LA |due |to |chordae |tendinea
2. |Only |rotate |shaft |clockwise
Stereotaxis |catheters |- |correct |answers✔✔Have |magnets |in |tip |for |maneuverability |
in |response |to |changes |in |magnetic |field
What |system |remotely |steers |guided |catheters |- |correct |answers✔✔Hansen |robotic |
system
ACT |for |using |array |- |correct |answers✔✔ACT |250-300
bipolar |cardiac |electrodes |record |local |_________ |that |occur |during |phase |_______ |- |
correct |answers✔✔depolarizations |/ |phase |0
surface |EKG |leads |usually |filtered |at |what |- |correct |answers✔✔.1 |- |100 |Hz
Normal |EGM |filter |settings |- |correct |answers✔✔30 |- |300 |Hz
What |to |do |if |T |waves |interfere |with |A/V |and |why |- |correct |answers✔✔Increase |the |
high |pass |filter |because |T |waves |are |lower |frequency |as |well |as |far |field
Unipolar |filter |setting |- |correct |answers✔✔.05 |- |300 |Hz
