#1
Which lead placement is commonly used for monitoring the electrical activity of the heart?
Lead I
Lead II
Lead III
Lead IV
#2
What does the term 'ECG' stand for in cardiac monitoring?
Electrocardiogram
Electrolyte Count Guide
Endocardial Catheterization
Echocardiogram
#3
What is the normal range for heart rate in adults at rest?
60-90 beats per minute
70-100 beats per minute
80-120 beats per minute
90-110 beats per minute
#4
Which cardiac chamber pumps oxygenated blood to the rest of the body?
Right atrium
Right ventricle
Left atrium
Left ventricle
#5
What does the term 'ischemia' refer to in the context of cardiac monitoring?
Abnormal heart rhythm
Inadequate blood flow to the heart muscle
Enlargement of the heart chambers
Hardening of the arteries
#6
Which medication is commonly used to treat and prevent abnormal heart rhythms?
Aspirin
Antibiotics
Beta-blockers
Antihistamines
#7
Which cardiac rhythm is characterized by chaotic, rapid electrical impulses in the atria?
Atrial Flutter
Atrial Fibrillation
Ventricular Tachycardia
Sinus Rhythm
#8
What is the purpose of the P-wave in an ECG waveform?
Atrial repolarization
Atrial depolarization
Ventricular repolarization
Ventricular depolarization
#9
What is the primary purpose of the QRS complex in an ECG waveform?
Atrial depolarization
Ventricular depolarization
Atrial repolarization
Ventricular repolarization
#10
Which term describes a condition where the heart is unable to pump blood effectively?
Bradycardia
Tachycardia
Heart failure
Cardiac arrest
#11
What is the primary function of the AV (atrioventricular) node in the heart's electrical conduction system?
Initiating the heartbeat
Conducting electrical impulses to the ventricles
Delaying the electrical impulses to allow atrial contraction
Regulating blood pressure
#12
Which term describes a rapid, regular heart rate that may be felt as palpitations?
Bradycardia
Atrial Fibrillation
Tachycardia
Cardiac arrest
#13
Which of the following is a common method for non-invasive blood pressure monitoring?
Arterial line
Central venous catheter
Sphygmomanometer
Swan-Ganz catheter
#14
What is the purpose of a Swan-Ganz catheter in cardiac monitoring?
Blood pressure measurement
Cardiac output measurement
Oxygen saturation monitoring
Electrolyte balance assessment
#15
In the context of cardiac monitoring, what does the acronym PVC stand for?
Premature Ventricular Contraction
Primary Vascular Constriction
Pulmonary Vein Catheterization
Peripheral Vasoconstrictor
#16
What is the primary purpose of the QT interval in an ECG waveform?
Atrial repolarization
Ventricular depolarization
Ventricular repolarization
Atrial depolarization
#17
What is the primary purpose of a Swan-Ganz catheter in cardiac monitoring?
Blood pressure measurement
Cardiac output measurement
Oxygen saturation monitoring
Electrolyte balance assessment