WITH ACCURATE ANSWERS.
What is the primary pacemaker? - Answer SA Node
What is a more medically correct term for the clotting of an artery? - Answer Occlusion
When the Atria depolarize (or contract), what is shown on the EKG tracing? - Answer P wave
An irregular heartbeat that is common among children is called _____ _____. - Answer Sinus
Arrhythmia
1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in millimeters? -
Answer 1 mm
What is the term used to described the amount of blood pumped by the heart per minute? - Answer
Cardiac output
Leads I to III are collectively known as - Answer Standard leads
Leads V1 to V6 are collectively known as - Answer Precordial leads
What is the main artery in the arterial system - Answer Aorta
aVr, aVl, and aVf are known as - Answer Augmented leads
Leg electrodes are only used for? - Answer grounding
What is the main vein in the venous system? - Answer Superior vena cava
, The mitral valve is also known as - Answer bicuspid valve
When the ventricles depolarizes (contracts), what is shown on the EKG tracing - Answer QRS complex
The Angle of Louis provides the LOCATION for which intercostal space - Answer 2nd
When clotting reduces oxygen supply to a region of the heart it is known as _____. - Answer Ischemia
When the Atria repolarize (or are at rest), what is shown on the EKG tracing? - Answer PR segment
(T/F) You should stop a stress test because of a change of heart rhythm - Answer False
What is formed by the manubrium and the body of the sternum that helps in electrode placement -
Answer Angle of Louis
V1 is placed in the 4th intercostal space and is located on which side of the sternum - Answer Right
side
The distance between P wave to P wave can be used to calculate what kind of rate - Answer Atrial rate
Which lead should be placed just below the nipple, in the 5th intercostal space on the midclavicular line
(MCL)? - Answer V4
What arrhythmia is associated with the skipping of heartbeats on an EKG tracing? - Answer Sinus Arrest
Which side of the sternum would you place V2 if the patient had dextrocardia? - Answer Right
V3 should be placed halfway between which two leads? - Answer V2 and V4