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NHA CET EXAM PREP questions with solutions
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Exam of 10 pages for the course nha at nha (NHA CET EXAM PREP)
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NHA CET EXAM PREPWhat is the primary pacemaker? - ANSWERSA Node
What is a more medically correct term for the clotting of an artery? - ANSWEROcclusion
When the Atria depolarize (or contract), what is shown on the EKG tracing? -
ANSWERP wave
An irregular heartbeat that is common among children is called _____ _____. -
ANSWERSinus Arrhythmia
1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in
millimeters? - ANSWER1 mm
What is the term used to described the amount of blood pumped by the heart per
minute? - ANSWERCardiac output
Leads I to III are collectively known as - ANSWERStandard leads
Leads V1 to V6 are collectively known as - ANSWERPrecordial leads
What is the main artery in the arterial system - ANSWERAorta
aVr, aVl, and aVf are known as - ANSWERAugmented leads
Leg electrodes are only used for? - ANSWERgrounding
What is the main vein in the venous system? - ANSWERSuperior vena cava
The mitral valve is also known as - ANSWERbicuspid valve
When the ventricles depolarizes (contracts), what is shown on the EKG tracing -
ANSWERQRS complex
The Angle of Louis provides the LOCATION for which intercostal space - ANSWER2nd
, When clotting reduces oxygen supply to a region of the heart it is known as _____. -
ANSWERIschemia
When the Atria repolarize (or are at rest), what is shown on the EKG tracing? -
ANSWERPR segment
(T/F) You should stop a stress test because of a change of heart rhythm -
ANSWERFalse
What is formed by the manubrium and the body of the sternum that helps in electrode
placement - ANSWERAngle of Louis
V1 is placed in the 4th intercostal space and is located on which side of the sternum -
ANSWERRight side
The distance between P wave to P wave can be used to calculate what kind of rate -
ANSWERAtrial rate
Which lead should be placed just below the nipple, in the 5th intercostal space on the
midclavicular line (MCL)? - ANSWERV4
What arrhythmia is associated with the skipping of heartbeats on an EKG tracing? -
ANSWERSinus Arrest
Which side of the sternum would you place V2 if the patient had dextrocardia? -
ANSWERRight
V3 should be placed halfway between which two leads? - ANSWERV2 and V4
The presence of an inverted or absent P wave indicates what type of arrhythmia? -
ANSWERJunctional Arrhythmia
1 minute of an EKG strip is equivalent to how many millimeters in length? -
ANSWER1500 mm
A full cycle of Ventricles in action is shown as what on the EKG tracing? - ANSWERQT
interval
What is a more medically correct term for chest pain? - ANSWERAngina
When the ventricles remain depolarized (contracted), what is shown on an EKG tracing
- ANSWERST segment
The normal human heart rate is between ___ and ___ bpm. - ANSWER60 and 100 bpm
An Inverted T Wave is an indicator for what type of arrhythmia? - ANSWERIschemia
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