CRAT New Practice Questions and Answers
(2026) | Complete Exam Prep Resource |
Grade A+
• Potassium and which of the following are needed in order for the heart to
function normally?
Chloride
Creatinine
Calcium
Magnesium -✓✓Calcium
• ________________ is a complication in which the pacemaker does not send
electrical impulse to the myocardium. In this complication pacemaker intervals are
irregular and the impulse is slower than the set rate. There is no pacemaker spike
seen. -✓✓Malfunctioning
• There are 3 electrolytes which the heart needs to function properly:
1. _________
2. ________
3. _________
If one of these three are lacking, the heart doesn't function well. -✓✓Potassium,
Calcium, Sodium
• Saying words correctly would be considered ___________. Speaking clearly
would be considered __________. -✓✓pronunciation, enunciation
, • Premature atrial contractions are rarely dangerous but in a patient with which of
the following conditions, they can serve as an early sign of heart failure or
electrolyte imbalance?
Nonconductor premature atrial contractions
Hypoxia
Acute myocardial infarction
Pulmonary disease -✓✓Acute myocardial infarction
• Patients with an __________ ___________ ____________, premature atrial
contractions can serve as an early sign of heart failure or an electrolyte imbalance.
Premature atrial contractions in patient's with heart disease can lead to serious
arrhythmias such as atrial flutter and atrial fibrillation. -✓✓Acute myocardial
infarction
• Which of the following does the CDC recommend that healthcare workers not
have?
Long hair
Short nails
Artificial nails
All of the above -✓✓Artificial nails
• The CDC recommends that healthcare providers not have _____________
________ as they are more apt to harbor gram-negative pathogens than natural
nails, both before and after proper hand washing techniques. The CDC
recommends that natural nails be no longer than 1/4 inch long as they can harbor
pathogens at longer lengths. -✓✓Artificial nails
• As an electrical current travels toward the negative pole on an ECG, the
waveform deflects which direction?
(2026) | Complete Exam Prep Resource |
Grade A+
• Potassium and which of the following are needed in order for the heart to
function normally?
Chloride
Creatinine
Calcium
Magnesium -✓✓Calcium
• ________________ is a complication in which the pacemaker does not send
electrical impulse to the myocardium. In this complication pacemaker intervals are
irregular and the impulse is slower than the set rate. There is no pacemaker spike
seen. -✓✓Malfunctioning
• There are 3 electrolytes which the heart needs to function properly:
1. _________
2. ________
3. _________
If one of these three are lacking, the heart doesn't function well. -✓✓Potassium,
Calcium, Sodium
• Saying words correctly would be considered ___________. Speaking clearly
would be considered __________. -✓✓pronunciation, enunciation
, • Premature atrial contractions are rarely dangerous but in a patient with which of
the following conditions, they can serve as an early sign of heart failure or
electrolyte imbalance?
Nonconductor premature atrial contractions
Hypoxia
Acute myocardial infarction
Pulmonary disease -✓✓Acute myocardial infarction
• Patients with an __________ ___________ ____________, premature atrial
contractions can serve as an early sign of heart failure or an electrolyte imbalance.
Premature atrial contractions in patient's with heart disease can lead to serious
arrhythmias such as atrial flutter and atrial fibrillation. -✓✓Acute myocardial
infarction
• Which of the following does the CDC recommend that healthcare workers not
have?
Long hair
Short nails
Artificial nails
All of the above -✓✓Artificial nails
• The CDC recommends that healthcare providers not have _____________
________ as they are more apt to harbor gram-negative pathogens than natural
nails, both before and after proper hand washing techniques. The CDC
recommends that natural nails be no longer than 1/4 inch long as they can harbor
pathogens at longer lengths. -✓✓Artificial nails
• As an electrical current travels toward the negative pole on an ECG, the
waveform deflects which direction?
