The stylus marks the EKG paper by: - ANSWER Heat
The S wave is characterized as: - ANSWER The first negative wave after R.
Electrodes are also
... [Show More] referred to as: - ANSWER Sensors
Measures blood pressure: - ANSWER Sphygmomanometer
The EKG records the: - ANSWER Electrical activity of the heart.
Hypotension is defined as: - ANSWER Systolic pressure bellow 90 and diastolic pressure bellow 60mmHg.
The ability of the cardiac pacemaker cells to spontaneously generate their own electrical impulses without external stimulation is known as: - ANSWER Automaticity
What supplies blood to the heart muscle? - ANSWER Coronary arteries
Deoxygenated blood enters the right atrium via the: - ANSWER Superior and inferior vena cavae.
A murmur is an abnormal sound that may indicate: - ANSWER Structural heart disease.
The term used to describe the amount of blood pumped by the heart per minute is called: - ANSWER Cardiac output
Narrowing of the valve between the left atrium and the left ventricle is called: - ANSWER Mitral stenosis
The proper electrode placement for Holter monitoring is the: - ANSWER Anterior Trunk of the body.
Blood flows from the heart to the lungs via the: - ANSWER Pulmonary arteries
Movement away from the baseline is called: - ANSWER Wave form
What is the correct order of the chain of infection? - ANSWER Source, means of transmission and susceptible host.
The descending aorta is a vessel in which type of circulation carries oxygenated blood to the: - ANSWER Systemic circulation
Tissue swelling due to the accumulation of interstitial fluids is called: - ANSWER Edema
The Q wave, if present, is always: - ANSWER Negative
Ventricular repolarization results in which of the following? - ANSWER Relaxation
The PR interval is measured from: - ANSWER The beginning of the P wave to the beginning of QRS.
The first electrical impulse that is recorded on the EKG paper during a normal cardiac cycle is the: - ANSWER P wave
Which of the following tests requires an informed consent signed by the patient? - ANSWER Exercise cardiac stress test.
EKG strips must include the following information: - ANSWER Patient's name and identification numbers.
Which of the following would be a reason that a physician requests exercise electrocardiography? - ANSWER Previous symptoms of angina.
A wave form and a segment is called: - ANSWER Interval
The 12 lead EKG is produced by application of ___ electrodes. - ANSWER 10
An electrical event that is expected to result in contraction is called: - ANSWER Depolarization
The normal running speed of the EKG paper is: - ANSWER 25 mm/sec
Blood leaves the right ventricle and passes through this valve as it enters the blood vessel: - ANSWER Pulmonic semilunar
In this type of blood vessel, you would find oxygenated and deoxygenated blood. - ANSWER Capillaries
Which layer of the heart is responsible for contraction and relaxation? - ANSWER Myocardium
A normal standardization mark should measure: - ANSWER 10mm
This ensures a check of the internal calibration of the EKG machine: - ANSWER Standardization button
The vertical axis of the EKG paper measures: - ANSWER Voltage/Amplitude
The normal sensitivity level for running EKG IS - ANSWER 1mv
The P wave is: - ANSWER Atrial depolarization
The inherent rate of the A-V junction is: - ANSWER 40-60 pulses per minute.
The QRS complex is: - ANSWER Ventricular depolarization
The ST segment is: - ANSWER Pause between ventricular depolarization and ventricular repolarization.
The T wave is: - ANSWER Ventricular repolarization
A normal PR interval should measure: - ANSWER .12-.20 seconds
The s squares horizontally on the EKG paper equal: - ANSWER .04 seconds
A normal QRS complex measures: - ANSWER <.12 seconds
Which if the following will not interfere with EKG tracing? - ANSWER Patient falls asleep.
A normal sinus rhythm can have all the following features except: - ANSWER PR interval of .24 seconds.
Which of the following will often produce an irregular rhythm? - ANSWER Sinus Dysrhythmia
The primary pacemaker for the healthy heart is the: - ANSWER SA node
The correct lead locator for Midpoint between V2 and V4 is: - ANSWER V3
The PR segment is a: - ANSWER Delay at the atrioventricular node.
The correct lead locator for the 4th intercostal space, right side of sternum is: - ANSWER V1
The correct lead locator for the 5th intercostal space, midaxillary line, left side is: - ANSWER V6
The correct lead from the center of heart to the positive pole of the left leg is: - ANSWER AVF
The correct lead from the right arm to the left leg is: - ANSWER II
The correct lead from the right arm to the left arm is: - ANSWER I
The correct lead from the center of the heart to the positive pole of the right arm is: - ANSWER AVR
The correct lead locator for the 5th intercostal space midclavicular line, left side is: - ANSWER V4
A small wave that appears after a T wave that is occasionally seen is called the: - ANSWER U wave
Which of the four chambers has the thickest myocardium? - ANSWER Left ventricle
Myocardial infarction is the medical name for a: - ANSWER Heart attack
The medical term for fainting is: - ANSWER Syncope
The protective sac that covers the heart is called: - ANSWER Pericardium
Another name for the bicuspid valve is the: - ANSWER Mitral valve
A pounding or racing of the heart, such that the patient is aware of his/her heartbeat is called a/an: - ANSWER Palpitation [Show Less]