1. What is the primary pacemaker? ANS >>> SA Node
2. What is a more medically correct term for the clotting of an artery? ANS >>>
Occlu- sion
3. When the Atria depolarize (or contract), what is shown on the EKG tracing?-
ANS >>> P wave
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, 4. An irregular heartbeat that is common among children is called
. ANS >>> Sinus Arrhythmia
5. 1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this
represented in millimeters? ANS >>> 1 mm
6. What is the term used to described the amount of blood pumped by the
heart per minute? ANS >>> Cardiac output
7. Leads I to III are collectively known as ANS >>> Standard leads
8. Leads V1 to V6 are collectively known as ANS >>> Precordial leads
9. What is the main artery in the arterial system ANS >>> Aorta
10. aVr, aVl, and aVf are known as ANS >>> Augmented leads
11. Leg electrodes are only used for? ANS >>> grounding
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, 12. What is the main vein in the venous system? ANS >>> Superior vena cava
13. The mitral valve is also known as ANS >>> bicuspid valve
14. When the ventricles depolarizes (contracts), what is shown on the EKG
tracing ANS >>> QRS complex
15. The Angle of Louis provides the LOCATION for which intercostal space AN
>>> -
2nd
16. When clotting reduces oxygen supply to a region of the heart it is known
as . ANS >>> Ischemia
17. When the Atria repolarize (or are at rest), what is shown on the EKG
tracing? ANS >>> PR segment
18. (T/F) You should stop a stress test because of a change of heart rhythm
ANS >>> -
False
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2. What is a more medically correct term for the clotting of an artery? ANS >>>
Occlu- sion
3. When the Atria depolarize (or contract), what is shown on the EKG tracing?-
ANS >>> P wave
mailto:https://www.stuvia.com/user/techgrades
, 4. An irregular heartbeat that is common among children is called
. ANS >>> Sinus Arrhythmia
5. 1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this
represented in millimeters? ANS >>> 1 mm
6. What is the term used to described the amount of blood pumped by the
heart per minute? ANS >>> Cardiac output
7. Leads I to III are collectively known as ANS >>> Standard leads
8. Leads V1 to V6 are collectively known as ANS >>> Precordial leads
9. What is the main artery in the arterial system ANS >>> Aorta
10. aVr, aVl, and aVf are known as ANS >>> Augmented leads
11. Leg electrodes are only used for? ANS >>> grounding
mailto:https://www.stuvia.com/user/techgrades
, 12. What is the main vein in the venous system? ANS >>> Superior vena cava
13. The mitral valve is also known as ANS >>> bicuspid valve
14. When the ventricles depolarizes (contracts), what is shown on the EKG
tracing ANS >>> QRS complex
15. The Angle of Louis provides the LOCATION for which intercostal space AN
>>> -
2nd
16. When clotting reduces oxygen supply to a region of the heart it is known
as . ANS >>> Ischemia
17. When the Atria repolarize (or are at rest), what is shown on the EKG
tracing? ANS >>> PR segment
18. (T/F) You should stop a stress test because of a change of heart rhythm
ANS >>> -
False
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