CRAT Exam Questions And Answers.
What pacemaker complications involves irregular pacemaker intervals with slower
that set rate impulses and no visual packer spike? - Answer Malfuctioning
Potassium and are needed in order for the heart to function normally -
Answer Calcium
Premature atrial contractions are rarely dangerous but with what condition could this
be an early sign of heart failure or electrolyte imbalance? - Answer Acute myocardial
infarction
As an electrical current travels toward the negative pole on an ecg, the waveform
defects in which direction? - Answer Downward
late ventricular depolarization is represented by? - Answer S wave
Why is the left side of the heart thicker than the right? - Answer It pumps blood back
to all the parts of the body
What starts at the beginning of the p wave and stops at the begging of the QRS
complex? - Answer PR interval
A common cause of artificial on a cardiac rhythm strip would be considered? -
Answer Somatic tremors
How many leads does a 24 hour holter monitor have? - Answer 5
If there is a preconfigured group of orders which are commonly ordered together for
a specific diagnosis or condition would be? - Answer Order set
A single chamber pacemaker has one lead inserted into either the right atrium or? -
Answer Right ventricle
If a patient is experiencing ventricular fibrillation where in the heart would the
electrical impulses come from? - Answer Many different foci
What condition would be a biventricualr pacer typically be used for? - Answer Pre
cardiac transplant patients
The heart activity that begins with atrial depolarization and ends with the start of
ventricular depolarization is know as? - Answer PR interval
If the T wave is bumpy instead of smooth what might it indicate? - Answer Hidden p
wave
paroxysmal atrial tachycardia commonly follows? - Answer Premature atrial
contractions
This study source was downloaded by 100000899579226 from CourseHero.com on 06-12-2025 09:21:13 GMT -05:00
https://www.coursehero.com/file/250196250/2025-EXAM-138docx/
, Atrial standstill is called if only one or two beats are not formed - Answer
Sinus pause
True or False
SA node failure could cause sinus arrest - Answer True
What acts as a safety mechanism to protect the heart from ventricular standstill? -
Answer Idioventricular rhythms
What can occur with coronary artery disease, cardiomyopathy, cor pulmonale, and
pulmonary embolism? - Answer Right bundle branch block
What color is the chest lead? - Answer Brown
What could be administered to a patient to correct a junctional escape rhythm? -
Answer Atropine
Impulses causing depolarization twice in a row in a faster than normal rate are
referred to as which of the following? - Answer Re-entry events
vagal maneuvers and medications such as which of the following can be employed
to slow the heart rate on symptomatic junctional tachycardia patients? - Answer
Adenosine
If the Q wave is absent, the QRS complex should be measured from the beginning of
which wave? - Answer R
What artifact setting is commonly used to reduced artifact due to muscle tremor and
slight patient movement? - Answer 40 Hz
What would you see on an ekg when looking for 2nd degree type 2 - Answer
Occasionally dropped beat with normal AV node conduction
When interpreting a rhythm which one should always be irregular - Answer Atrial
fibrillation
The semilunar valves are called such because the cusps on these caves resemble?
- Answer Half moons
The data that is entered into an EKG machine would be considered? - Answer Input
In the pacemaker codes the first letter represents what? - Answer The heart
chamber being paced
The type of AV block that could cause cardiovascular collapse would be? - Answer
Complete heart block (3rd degree)
The left bundle branch splits into two branches known as? - Answer Fasciculi
This study source was downloaded by 100000899579226 from CourseHero.com on 06-12-2025 09:21:13 GMT -05:00
https://www.coursehero.com/file/250196250/2025-EXAM-138docx/
What pacemaker complications involves irregular pacemaker intervals with slower
that set rate impulses and no visual packer spike? - Answer Malfuctioning
Potassium and are needed in order for the heart to function normally -
Answer Calcium
Premature atrial contractions are rarely dangerous but with what condition could this
be an early sign of heart failure or electrolyte imbalance? - Answer Acute myocardial
infarction
As an electrical current travels toward the negative pole on an ecg, the waveform
defects in which direction? - Answer Downward
late ventricular depolarization is represented by? - Answer S wave
Why is the left side of the heart thicker than the right? - Answer It pumps blood back
to all the parts of the body
What starts at the beginning of the p wave and stops at the begging of the QRS
complex? - Answer PR interval
A common cause of artificial on a cardiac rhythm strip would be considered? -
Answer Somatic tremors
How many leads does a 24 hour holter monitor have? - Answer 5
If there is a preconfigured group of orders which are commonly ordered together for
a specific diagnosis or condition would be? - Answer Order set
A single chamber pacemaker has one lead inserted into either the right atrium or? -
Answer Right ventricle
If a patient is experiencing ventricular fibrillation where in the heart would the
electrical impulses come from? - Answer Many different foci
What condition would be a biventricualr pacer typically be used for? - Answer Pre
cardiac transplant patients
The heart activity that begins with atrial depolarization and ends with the start of
ventricular depolarization is know as? - Answer PR interval
If the T wave is bumpy instead of smooth what might it indicate? - Answer Hidden p
wave
paroxysmal atrial tachycardia commonly follows? - Answer Premature atrial
contractions
This study source was downloaded by 100000899579226 from CourseHero.com on 06-12-2025 09:21:13 GMT -05:00
https://www.coursehero.com/file/250196250/2025-EXAM-138docx/
, Atrial standstill is called if only one or two beats are not formed - Answer
Sinus pause
True or False
SA node failure could cause sinus arrest - Answer True
What acts as a safety mechanism to protect the heart from ventricular standstill? -
Answer Idioventricular rhythms
What can occur with coronary artery disease, cardiomyopathy, cor pulmonale, and
pulmonary embolism? - Answer Right bundle branch block
What color is the chest lead? - Answer Brown
What could be administered to a patient to correct a junctional escape rhythm? -
Answer Atropine
Impulses causing depolarization twice in a row in a faster than normal rate are
referred to as which of the following? - Answer Re-entry events
vagal maneuvers and medications such as which of the following can be employed
to slow the heart rate on symptomatic junctional tachycardia patients? - Answer
Adenosine
If the Q wave is absent, the QRS complex should be measured from the beginning of
which wave? - Answer R
What artifact setting is commonly used to reduced artifact due to muscle tremor and
slight patient movement? - Answer 40 Hz
What would you see on an ekg when looking for 2nd degree type 2 - Answer
Occasionally dropped beat with normal AV node conduction
When interpreting a rhythm which one should always be irregular - Answer Atrial
fibrillation
The semilunar valves are called such because the cusps on these caves resemble?
- Answer Half moons
The data that is entered into an EKG machine would be considered? - Answer Input
In the pacemaker codes the first letter represents what? - Answer The heart
chamber being paced
The type of AV block that could cause cardiovascular collapse would be? - Answer
Complete heart block (3rd degree)
The left bundle branch splits into two branches known as? - Answer Fasciculi
This study source was downloaded by 100000899579226 from CourseHero.com on 06-12-2025 09:21:13 GMT -05:00
https://www.coursehero.com/file/250196250/2025-EXAM-138docx/
