CRAT EXAM SCRIPT VERIFIED QUESTIONS
WITH COMPLETE SOLUTION REVIEW
●● 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
●● 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?
WITH COMPLETE SOLUTION REVIEW
●● 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
●● 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?
