NHA CET EVALUATION EXAM 2025 QUESTIONS WITH
ANSWERS RATED A+
✔✔What arrhythmia is associated with having a heart rate under 60 bpm - ✔✔Sinus
Bradycardia
✔✔what does the aV (in such leads as aVR, aVL, aVF) stand for? - ✔✔Augmented
voltage
✔✔What is the standard number of leads in a EKG tracing - ✔✔12
✔✔What are you feeling for in a pt's wrist to find their heart rate? - ✔✔Radial Artery
✔✔When the heart is in diastolic State, what pacemaker releases an electrical pulse? -
✔✔SA node
✔✔What blood vessels contain a pulse - ✔✔arteries
✔✔A full cycle of Atria in action is shown as what on the EKG tracing - ✔✔PR interval
✔✔In cardiology, what does M.I. stand for? - ✔✔myocardial infarction
✔✔(T/F) Normal Sinus rhythm is between 70/min and 120/mm - ✔✔False
✔✔What chamber of the heart has the thickest Myocardium - ✔✔Left ventricle
✔✔(T/F) A patient that has fallen asleep will interfere with EKG tracing - ✔✔False
✔✔(T/F) A Q wave is always negative - ✔✔False
✔✔What Arrhythmia is associated with sawtooth waves between QRS complexes? -
✔✔Atrial Flutter
✔✔If U waves are shown on EKG tracing, what type of vitamin deficiency is present? -
✔✔Potassium
✔✔Upper chambers of the heart - ✔✔atria
✔✔Affects both the atria and the ventricles by increasing heart rate conduction and
irritability - ✔✔Sympathetic Nervous System
✔✔What is a positive holter? - ✔✔one that has recorded abnormalities
, ✔✔What is a negative holter? - ✔✔A negative holter will have no significant arrhythmias
or ST changes
✔✔Abbreviation for Myocardial infarction - ✔✔M.I.
✔✔Infarction refers to what? - ✔✔To the actual death of the myocardial cells.
✔✔Occurs when there is a decrease in the amount of blood flow to a section of the
heart - ✔✔Ischemia
✔✔Electrical impulses go down the usual pathway but encounter blocks and delays -
✔✔conduction blocks
✔✔Electrical impulses originate from somewhere else other than the sinus node -
✔✔Ectopic Rhythms
✔✔Where electrical flow follows the usual conduction pathway is too fast, too slow, or
irregular... - ✔✔Arrhythmias of Sinus Origin
✔✔Normal Running Speed for an EKG Machine - ✔✔25 mm/sec
✔✔Patients tremors or shaking the wires can produce jittery patterns on the EKG
tracing - ✔✔Somatic tremors
✔✔Somatic tremors, Wandering Baseline, 60-cycle interference, broken recording.. -
✔✔Artifacts
✔✔From J point to the onset of the T wave - ✔✔ST segment
✔✔Line from the end of the p wave to the onset of the QRS complex - ✔✔PR segment
✔✔It should be no more than 0.1 sec. in the limb leads and 0.11 sec in the precordial
leads - ✔✔Normal QRS interval
✔✔Represents ventricular depolarization time - ✔✔QRS interval
✔✔Normal interval for PR interval - ✔✔0.12 to 0.20
✔✔P wave plus PR segment - ✔✔P-R interval
✔✔This is the interval between two R waves - ✔✔R-R interval
✔✔Deflection produced by ventricular repolarization - ✔✔T wave
ANSWERS RATED A+
✔✔What arrhythmia is associated with having a heart rate under 60 bpm - ✔✔Sinus
Bradycardia
✔✔what does the aV (in such leads as aVR, aVL, aVF) stand for? - ✔✔Augmented
voltage
✔✔What is the standard number of leads in a EKG tracing - ✔✔12
✔✔What are you feeling for in a pt's wrist to find their heart rate? - ✔✔Radial Artery
✔✔When the heart is in diastolic State, what pacemaker releases an electrical pulse? -
✔✔SA node
✔✔What blood vessels contain a pulse - ✔✔arteries
✔✔A full cycle of Atria in action is shown as what on the EKG tracing - ✔✔PR interval
✔✔In cardiology, what does M.I. stand for? - ✔✔myocardial infarction
✔✔(T/F) Normal Sinus rhythm is between 70/min and 120/mm - ✔✔False
✔✔What chamber of the heart has the thickest Myocardium - ✔✔Left ventricle
✔✔(T/F) A patient that has fallen asleep will interfere with EKG tracing - ✔✔False
✔✔(T/F) A Q wave is always negative - ✔✔False
✔✔What Arrhythmia is associated with sawtooth waves between QRS complexes? -
✔✔Atrial Flutter
✔✔If U waves are shown on EKG tracing, what type of vitamin deficiency is present? -
✔✔Potassium
✔✔Upper chambers of the heart - ✔✔atria
✔✔Affects both the atria and the ventricles by increasing heart rate conduction and
irritability - ✔✔Sympathetic Nervous System
✔✔What is a positive holter? - ✔✔one that has recorded abnormalities
, ✔✔What is a negative holter? - ✔✔A negative holter will have no significant arrhythmias
or ST changes
✔✔Abbreviation for Myocardial infarction - ✔✔M.I.
✔✔Infarction refers to what? - ✔✔To the actual death of the myocardial cells.
✔✔Occurs when there is a decrease in the amount of blood flow to a section of the
heart - ✔✔Ischemia
✔✔Electrical impulses go down the usual pathway but encounter blocks and delays -
✔✔conduction blocks
✔✔Electrical impulses originate from somewhere else other than the sinus node -
✔✔Ectopic Rhythms
✔✔Where electrical flow follows the usual conduction pathway is too fast, too slow, or
irregular... - ✔✔Arrhythmias of Sinus Origin
✔✔Normal Running Speed for an EKG Machine - ✔✔25 mm/sec
✔✔Patients tremors or shaking the wires can produce jittery patterns on the EKG
tracing - ✔✔Somatic tremors
✔✔Somatic tremors, Wandering Baseline, 60-cycle interference, broken recording.. -
✔✔Artifacts
✔✔From J point to the onset of the T wave - ✔✔ST segment
✔✔Line from the end of the p wave to the onset of the QRS complex - ✔✔PR segment
✔✔It should be no more than 0.1 sec. in the limb leads and 0.11 sec in the precordial
leads - ✔✔Normal QRS interval
✔✔Represents ventricular depolarization time - ✔✔QRS interval
✔✔Normal interval for PR interval - ✔✔0.12 to 0.20
✔✔P wave plus PR segment - ✔✔P-R interval
✔✔This is the interval between two R waves - ✔✔R-R interval
✔✔Deflection produced by ventricular repolarization - ✔✔T wave
