QUESTIONS WITH 100% VERIFIED
ANSWERS
\.What is the primary pacemaker? - ANSWERS✔-SA Node
\.What is a more medically correct term for the clotting of an artery? -
ANSWERS✔-Occlusion
\.When the Atria depolarize (or contract), what is shown on the EKG tracing? -
ANSWERS✔-P wave
\.An irregular heartbeat that is common among children is called _____ _____. -
ANSWERS✔-Sinus Arrhythmia
\.1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this
represented in millimeters? - ANSWERS✔-1 mm
\.What is the term used to described the amount of blood pumped by the heart
per minute? - ANSWERS✔-Cardiac output
\.Leads I to III are collectively known as - ANSWERS✔-Standard leads
,\.Leads V1 to V6 are collectively known as - ANSWERS✔-Precordial leads
\.What is the main artery in the arterial system - ANSWERS✔-Aorta
\.aVr, aVl, and aVf are known as - ANSWERS✔-Augmented leads
\.Leg electrodes are only used for? - ANSWERS✔-grounding
\.What is the main vein in the venous system? - ANSWERS✔-Superior vena cava
\.The mitral valve is also known as - ANSWERS✔-bicuspid valve
\.When the ventricles depolarizes (contracts), what is shown on the EKG tracing -
ANSWERS✔-QRS complex
\.The Angle of Louis provides the LOCATION for which intercostal space -
ANSWERS✔-2nd
\.When clotting reduces oxygen supply to a region of the heart it is known as
_____. - ANSWERS✔-Ischemia
\.When the Atria repolarize (or are at rest), what is shown on the EKG tracing? -
ANSWERS✔-PR segment
, \.(T/F) You should stop a stress test because of a change of heart rhythm -
ANSWERS✔-False
\.What is formed by the manubrium and the body of the sternum that helps in
electrode placement - ANSWERS✔-Angle of Louis
\.V1 is placed in the 4th intercostal space and is located on which side of the
sternum - ANSWERS✔-Right side
\.The distance between P wave to P wave can be used to calculate what kind of
rate - ANSWERS✔-Atrial rate
\.Which lead should be placed just below the nipple, in the 5th intercostal space
on the midclavicular line (MCL)? - ANSWERS✔-V4
\.What arrhythmia is associated with the skipping of heartbeats on an EKG
tracing? - ANSWERS✔-Sinus Arrest
\.Which side of the sternum would you place V2 if the patient had dextrocardia? -
ANSWERS✔-Right
\.V3 should be placed halfway between which two leads? - ANSWERS✔-V2 and V4