CET NHA Exam With Right Answers
What is the primary pacemaker? - ✅✅ SA Node
Symptoms of Digitalis toxicity - ✅✅ -Yellow Vision
-Nausea
-Vomiting
-Drowsiness
Sinus Rhythm PR interval - ✅✅ 0.12-0.20 seconds
Sinus rhythm QRS duration - ✅✅ 0.04-0.10 seconds
SVT Tachycardia p wave - ✅✅ may be hard to find; if present, one per QRS
complex
Polymorphic Ventricular Tachycardia P wave - ✅✅ none
V-fib ventricular rate - ✅✅ Greater than 300 bpm
First Degree Heart Block - ✅✅ Slow or delayed conduction through AV node
Second Degree Heart Block Type I is also called - ✅✅ Mobitz I; Wenckebach
,First degree heart block PR interval - ✅✅ Prolonged; greater than 0.20 seconds.
First degree heart block P wave - ✅✅ One for every QRS
Second Degree Type 1 Heart Block QRS Duration - ✅✅ Usually 0.08 to 0.12
seconds, can be wider.
Which heart block is the most dangerous - ✅✅ Third Degree
Second Degree Type 1 Heart Block P wave - ✅✅ One for every QRS
Second Degree Type 1 Heart block PR interval - ✅✅ Elongates; eventually a
QRS complex is lost
Second Degree Type 1 Heart block Ventricular Rate - ✅✅ Usually 60 to
100/min, can be slower.
Second Degree Type 1 Heart Block Atrial Rate - ✅✅ Usually 60 to 100 bpm
Second Degree Type 1 heart block regularity - ✅✅ Irregular
Second Degree Type 2 heart block is also called - ✅✅ Mobitz II
Second Degree heart block type II P wave - ✅✅ Two or more for every QRS
complex
Second degree Type II heart block PR interval - ✅✅ Constant
, Second degree type II heart block QRS duration - ✅✅ Usually 0.08 to 0.12
seconds, can be wider.
What is a more medically correct term for the clotting of an artery? - ✅✅
Occlusion
When the Atria depolarize (or contract), what is shown on the EKG tracing? -
✅✅ P wave
An irregular heartbeat that is common among children is called _____ _____. -
✅✅ Sinus Arrhythmia
1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this
represented in millimeters? - ✅✅ 1 mm
What is the term used to described the amount of blood pumped by the heart per
minute? - ✅✅ Cardiac output
Leads I to III are collectively known as - ✅✅ Standard leads
Leads V1 to V6 are collectively known as - ✅✅ Precordial leads
What is the main artery in the arterial system - ✅✅ Aorta
Avr, avl, and avf are known as? - ✅✅ Augmented leads
What is the primary pacemaker? - ✅✅ SA Node
Symptoms of Digitalis toxicity - ✅✅ -Yellow Vision
-Nausea
-Vomiting
-Drowsiness
Sinus Rhythm PR interval - ✅✅ 0.12-0.20 seconds
Sinus rhythm QRS duration - ✅✅ 0.04-0.10 seconds
SVT Tachycardia p wave - ✅✅ may be hard to find; if present, one per QRS
complex
Polymorphic Ventricular Tachycardia P wave - ✅✅ none
V-fib ventricular rate - ✅✅ Greater than 300 bpm
First Degree Heart Block - ✅✅ Slow or delayed conduction through AV node
Second Degree Heart Block Type I is also called - ✅✅ Mobitz I; Wenckebach
,First degree heart block PR interval - ✅✅ Prolonged; greater than 0.20 seconds.
First degree heart block P wave - ✅✅ One for every QRS
Second Degree Type 1 Heart Block QRS Duration - ✅✅ Usually 0.08 to 0.12
seconds, can be wider.
Which heart block is the most dangerous - ✅✅ Third Degree
Second Degree Type 1 Heart Block P wave - ✅✅ One for every QRS
Second Degree Type 1 Heart block PR interval - ✅✅ Elongates; eventually a
QRS complex is lost
Second Degree Type 1 Heart block Ventricular Rate - ✅✅ Usually 60 to
100/min, can be slower.
Second Degree Type 1 Heart Block Atrial Rate - ✅✅ Usually 60 to 100 bpm
Second Degree Type 1 heart block regularity - ✅✅ Irregular
Second Degree Type 2 heart block is also called - ✅✅ Mobitz II
Second Degree heart block type II P wave - ✅✅ Two or more for every QRS
complex
Second degree Type II heart block PR interval - ✅✅ Constant
, Second degree type II heart block QRS duration - ✅✅ Usually 0.08 to 0.12
seconds, can be wider.
What is a more medically correct term for the clotting of an artery? - ✅✅
Occlusion
When the Atria depolarize (or contract), what is shown on the EKG tracing? -
✅✅ P wave
An irregular heartbeat that is common among children is called _____ _____. -
✅✅ Sinus Arrhythmia
1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this
represented in millimeters? - ✅✅ 1 mm
What is the term used to described the amount of blood pumped by the heart per
minute? - ✅✅ Cardiac output
Leads I to III are collectively known as - ✅✅ Standard leads
Leads V1 to V6 are collectively known as - ✅✅ Precordial leads
What is the main artery in the arterial system - ✅✅ Aorta
Avr, avl, and avf are known as? - ✅✅ Augmented leads
