In relation to the abdomen, how would one describe the position of the heart? -correct
answerSuperior
Electrocardiography -correct answerWhich of the following terms describes the process of
recording the electrical activity of the heart?
Electrical activity of the heart -correct answerWhat an electrocardiogram records.
Electrodes -correct answerAlso referred to as Sensors
Epicardium -correct answerThe outermost layer of the heart.
Sagittal plane -correct answerDivides the body into right and left halves.
Thrombosis -correct answerBlood Clotting.
Einthoven's triangle -correct answerFormed by Leads I, II, and III.
Ground electrode -correct answerTypically referred to as RL.
An EKG technician obtains a pulse oximetry reading of 88% from a patient. Which of the
following terms should the technician use to describe the patient's condition? -correct
answerHypoxemia
Which of the following words accurately describes the location of the apex of the heart? -
correct answerTowards the anterior surface of the thoracic cavity
The descending aorta is a vessel in which type of circulation carries oxygenated blood -
correct answerSystemic circulation.
Cardiac output -correct answerThe amount of blood pumped into the aorta each minute by
the heart.
The Major intracellular ion is -correct answerPotassium.
Which of the following blood vessels carry oxygenated blood? -correct answerPulmonary
Artery and Pulmonary Vein
Which of the following events is present during ventricular relaxation? -correct
answerRepolarization.
What is the innermost layer of the heart that forms the lining and folds back onto itself to
form the four valves where the conduction system is found? -correct answerEndocardium
Which layer of the heart contains the vessels that supply the heart with blood? -correct
answerEpicardium
Junctional Tachycardia -correct answerEKG displays a heart rate of 120 bpm, with absent P
waves.
, An EKG technician is recording a patient's radial pulse rate and finds the pulse irregular. The
provider then takes the patient's apical pulse. The technician should recognize which of the
following locations is used for this assessment? -correct answerThe thumb side of the left
wrist
Intrinsic rate of the atria -correct answer60-100 bpm.
The heart sounds heard during physical examination are caused by -correct answerCaused
by the closing of the heart valves.
All of the following represent the correct order of blood flow through the body except -
correct answerLeft Atria to Aorta
Which term is not commonly used to characterize heart cells? -correct answerRegenerative
Which of the following arteries is the best location for an EKG technician to use to measure
the heart rate for an adult patient following an exercise stress test? -correct answerBrachial
The T wave in an EKG tracing represents -correct answerRepresents Ventricular
Repolarization.
Which of the following are coronary arteries that arise from the aortic root? -correct
answerLeft Main Coronary Artery and Right Coronary Artery arise from the aortic root.
For a ventricular paced rhythm, which of the following would you expect to see in an EKG? -
correct answerA Broad QRS complex with no P wave.
Which part of a heart is affected by a myocardial infarction? -correct answerAffects the
Myocardium.
Which artery is used to check the pulse of an unconscious patient -correct answerCarotid
artery.
The major blood vessel that receives blood from the head and upper extremities and
transports it to the heart is the -correct answerSuperior Vena Cava.
When the sympathetic branch of the ANS (autonomic nervous system) is stimulated, the
heart responds by -correct answerCauses the heart to speed up.
PR segment represents what? -correct answerRepresents depolarization of AV node and its
delay.
ST segment elevation is associated with -correct answerAssociated with Myocardial Injury.
Which of the following patient findings indicates myocardial infarction? -correct
answerCyanosis
Which of the following findings is consistent with bradycardia? -correct answerCold and
clammy skin.