Who developed the first EKG - AnswersWilliam Einthoven
The electrical impulses are delivered to the ventricles by way of - AnswersPrukinje Fibers
Another name for the SA node - AnswersPacemaker
The presence or development of a blood clot inside a blood vessel is called - AnswersThrombosis
How many chambers does the heart have - Answers4
An aneurysm is a sack formed by an out-pocketing of a portion of a(n) - AnswersVenous wall and
Arterial wall
Stroke volume multiplied bu the number of beats per minute is the formula for - AnswersCardiac
Output
An agonal rhythm indicates a - AnswersDying heart
The average number of hear contractions per minute is - Answers60-100
Which of the following can be a cause for the hardening of arteries - AnswersFormation of plaque
The first machine used for EKG was called a(n) - AnswersNone of the above
Angina pectoris is a (n) - AnswersIschemia of myocardium and chest pain
In a sinus arrhythmia, the rhythm will be - AnswersIrregular
The customary way to identify an inpatient is - AnswersExamining the wristband
On EKG paper, one small box represents - Answers.04 and 1mm
The PR segment represents - AnswersDelay the AV node
Blood entering the right atrium is - Answersdeoxygenated
EKG graph paper can be used to measure - AnswersAmplitude, voltage, and time
Which system affects the atria, ventricles, and valves - AnswersCardiovascular system
Normal adult axillary temperature is - Answers97.6
AHA is the abbreviation for - AnswersAmerican Heart Association
Swelling due to fluid build up in the tissues is called - AnswersEdema
The upper chambers of the heart are called - AnswersAtria
The following are symptoms of decreased cardiac output - AnswersCold, clammy skin, Change in
color, Dyspnea and fatigue
The Bicuspid valve is also the - AnswersMitral valve
Tachycardia is - AnswersFaster than 100 beats per minute
The interior lining of the heart is called the - AnswersEndocardium
A Holter monitor is used to diagnose - AnswersCardiac rhythm and conduction abnormalities
The electrolytes that play an important role in cardiac conduction include - AnswersPotassium,
calcium, and Sodium
A 12 lead ECG provides views from which 2 planes - AnswersFrontal and Horizontal
What do muscle cells need in order to contract - AnswersCalcium
The normal PRI should measure between - Answers.12 to .20
Systolic pressure occurs when the ventricles are - Answerscontracting
The heart rate is influenced bu the - AnswersAutonomic nervous system
PVC's originate in the - AnswersVentricles
Disorders related to inadequate blood supply include - AnswersAngina pectoris and MI
The primary pacemaker of the heart is the - AnswersSA node
Patient ductus arteriosus is a - AnswersCongenital disorder
The pericardium - AnswersThe double-walled sac that encloses the heart
Where are Beta-1 receptors located - AnswersThe heart
Which of the following are the Atrioventricular valves - AnswersTricuspid and Mitral
The T wave represents - AnswersVentricular repolarization
Ventricular rate and rhythm are determined b measuring from - AnswersR wave to R wave
The definition of syncope is - AnswersLoss of consciousness
The P-wave represents - AnswersAtrial depolarization
Where is lead 1 positive placed - Answersleft arm
The Epicardium is - Answersthe outermost layer of the heart
In the first degree heart block, the PRI is - Answersgreater than .2 seconds
Which of the following is considered a prolonged PR interval - Answers.24 seconds
In second-degree AV block with 2:1 conduction, the PR interval - AnswersLengthens
What is responsible for separating the right and left ventricles - AnswersIntraventricular septum