IBHRE PRACTICE TEST LATEST TEST | ALL
QUESTIONS AND CORRECT ANSWERS |
ALREADY GRADED A+ | VERIFIED
ANSWERS | JUST RELEASED
What has NOT been used as ERI magnet response? ------CORRECT
ANSWER---------------Abrupt decrease in rate
What has NOT been used as an indicator of battery depletion? ------
CORRECT ANSWER---------------Pulse width stretching
The term virtual electrode describes? ------CORRECT ANSWER---------------
The lead electrode and surrounding myocardium
The energy delivered by an icd is based on the relationship between what?
------CORRECT ANSWER---------------Initial voltage and final voltage on a
capacitor
The horizontal asymptote of a strength duration curve is termed: ------
CORRECT ANSWER---------------Rheobase
Over time, the battery cell impedance of a lithium iodine powered
pacemaker does what? ------CORRECT ANSWER---------------Remains
constant
,Tapping on a pulse generator with which type of sensor will increase the
pacing rate? ------CORRECT ANSWER---------------Piezoelectric activity
A MDT style 3.2mm low profile lead with no sealing rings and a long pin fits
appropriately with which header? ------CORRECT ANSWER---------------VS-
1 B (sealing rings in header)
DBS (Drawn Brazed Strand) is a term associated with: ------CORRECT
ANSWER---------------Silver & nickel alloy conductor material
A likely benefit but possible concern of a ventricular detection enhancement
such as "stability" would be best described as what? ------CORRECT
ANSWER---------------Increase the specificity but decrease the sensitivity
In order to charge a capacitor, and ICD must provide current of
approximately: ------CORRECT ANSWER---------------2 amps
The cardioinhibitory response to carotid massage may be manifested by? --
----CORRECT ANSWER---------------Advanced AV block
Sinus Brady
PR prolongation
What type of patient would benefit most from a feature like rate drop
response? ------CORRECT ANSWER---------------Carotid sinus
hypersensitivity
,Trifasicular block is what class of indication? ------CORRECT ANSWER-----
----------Class I
Quinidine is associated with which side effect? ------CORRECT ANSWER--
-------------Prolongation of QT
What is the approximate number of sudden cardiac death episodes which
occur in the US each year? ------CORRECT ANSWER---------------400,000
Infection from microorganisms within the patient would be termed? ------
CORRECT ANSWER---------------Endogenous
Way at is considered first line drug therapy for treatment of malignant
vasovagal syncope? ------CORRECT ANSWER---------------Metoprolol
What were the 3 inclusion criteria for MADIT I ------CORRECT ANSWER----
-----------Prior MI
Low EF
Nonsustained VT
, A patient who undergoes revascularization for CAD who has sustained VT
should be managed with: ------CORRECT ANSWER---------------Post or
perisurgical ICD implamt
An idiopathic dilated cardiomyopathy patient was implanted with an ICD
due to aborted SCD. Patient was placed on amio to decrease frequency of
VT. As a result of the amio the patient experienced thyrotoxicosis which
manifests itself by? ------CORRECT ANSWER---------------Polymorphic VT
Arrythmogenic RV dysplasia differs from brugada syndrome by presenting
with? ------CORRECT ANSWER---------------Monomorphic VT
What has NOT been linked as a trigger mechanism for Torsades de
Pointes? ------CORRECT ANSWER---------------Adenosine
The most common cause of a pacemaker to failure to output is? ------
CORRECT ANSWER---------------Oveersensing
The time between heart beats would be described as : ------CORRECT
ANSWER---------------Cycle length
A patient is scheduled to receive radiation therapy for lung cancer in a
location very close to an implanted generator. What should be done? ------
CORRECT ANSWER---------------Relocate the pacemaker before the
radiation treatment
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