CCI CRAT 3 UPDATED ACTUAL Exam
Questions and CORRECT Answers
Which of the following pacemaker complications involves irregular pacemaker intervals with
slower than set rate impulses and no visual pacemaker spike? - CORRECT
ANSWER Malfunctioning
A single-chamber pacemaker has one lead inserted into either the right atrium or which of the
following? - CORRECT ANSWER Right Ventricle
If a patient is experiencing ventricular fibrillation, where in the heart would the electrical
impulses come from? - CORRECT ANSWER From many different foci
Which of the following is not one of the problems that are caused by sinus arrest? - CORRECT
ANSWER Stroke
Which of the following would they look for on an EKG strip when assessing accelerated
junctional rhythm? - CORRECT ANSWER P wave absent
P wave inverted on leads 2 3 and aVF
P wave interval is less than 0.12 seconds
Potential causes of sinus bradycardia could include which of the following? - CORRECT
ANSWER Myocardial infarctions
Sports (athletes)
Vomiting
Bearing down to have a bowel movement
Conditions such as myocardial infarction or increased intracranial pressure
Which of the following conditions would a biventricular pacer typically be used for? -
CORRECT ANSWER Pre-cardiac transplant patient
, The heart activity that begins with atrial depolarization and ends with the start of ventricular
depolarization is known as which of the following on the electrocardiogram? - CORRECT
ANSWER PR interval
Which of the following is the typical duration for the QT interval? - CORRECT
ANSWER 0.36-0.44 sec
If the T wave is bumpy instead of smooth, it may indicate which of the following? - CORRECT
ANSWER Hidden P wave
All of the following are possible causes of bradycardia except? - CORRECT
ANSWER Insomnia
Paroxysmal atrial tachycardia commonly follows which of the following? - CORRECT
ANSWER Premature atrial contraction
Which of the following could cause sinus arrest? - CORRECT ANSWER SA node failure
Which of the following acts as an safety mechanism to protect the heart from ventricular
standstill? - CORRECT ANSWER Idioventricular rhythms
Which of the following medications may be administered to a patient to correct a junctional
escape rhythm? - CORRECT ANSWER Atropine
Which of the following would be associated with atrial flutter? - CORRECT ANSWER Saw-
tooth like waves
No P waves
Which artifact filter setting is commonly used to reduce artifact due to muscle tremor and slight
patient movement? - CORRECT ANSWER 40 Hz
Questions and CORRECT Answers
Which of the following pacemaker complications involves irregular pacemaker intervals with
slower than set rate impulses and no visual pacemaker spike? - CORRECT
ANSWER Malfunctioning
A single-chamber pacemaker has one lead inserted into either the right atrium or which of the
following? - CORRECT ANSWER Right Ventricle
If a patient is experiencing ventricular fibrillation, where in the heart would the electrical
impulses come from? - CORRECT ANSWER From many different foci
Which of the following is not one of the problems that are caused by sinus arrest? - CORRECT
ANSWER Stroke
Which of the following would they look for on an EKG strip when assessing accelerated
junctional rhythm? - CORRECT ANSWER P wave absent
P wave inverted on leads 2 3 and aVF
P wave interval is less than 0.12 seconds
Potential causes of sinus bradycardia could include which of the following? - CORRECT
ANSWER Myocardial infarctions
Sports (athletes)
Vomiting
Bearing down to have a bowel movement
Conditions such as myocardial infarction or increased intracranial pressure
Which of the following conditions would a biventricular pacer typically be used for? -
CORRECT ANSWER Pre-cardiac transplant patient
, The heart activity that begins with atrial depolarization and ends with the start of ventricular
depolarization is known as which of the following on the electrocardiogram? - CORRECT
ANSWER PR interval
Which of the following is the typical duration for the QT interval? - CORRECT
ANSWER 0.36-0.44 sec
If the T wave is bumpy instead of smooth, it may indicate which of the following? - CORRECT
ANSWER Hidden P wave
All of the following are possible causes of bradycardia except? - CORRECT
ANSWER Insomnia
Paroxysmal atrial tachycardia commonly follows which of the following? - CORRECT
ANSWER Premature atrial contraction
Which of the following could cause sinus arrest? - CORRECT ANSWER SA node failure
Which of the following acts as an safety mechanism to protect the heart from ventricular
standstill? - CORRECT ANSWER Idioventricular rhythms
Which of the following medications may be administered to a patient to correct a junctional
escape rhythm? - CORRECT ANSWER Atropine
Which of the following would be associated with atrial flutter? - CORRECT ANSWER Saw-
tooth like waves
No P waves
Which artifact filter setting is commonly used to reduce artifact due to muscle tremor and slight
patient movement? - CORRECT ANSWER 40 Hz
