#1
Which of the following is a common symptom of cardiac arrhythmias?
Shortness of breath
Increased appetite
Improved sleep quality
Decreased heart rate
#2
What is the normal range for resting heart rate in adults?
40-50 beats per minute
60-100 beats per minute
120-140 beats per minute
160-180 beats per minute
#3
What is the term for an abnormally slow heart rate?
Tachycardia
Bradycardia
Arrhythmia
Flutter
#4
Which imaging technique is commonly used to diagnose cardiac arrhythmias?
X-ray
Electrocardiogram (ECG/EKG)
Magnetic resonance imaging (MRI)
Ultrasound (echocardiogram)
#5
Which of the following is a potential complication of untreated cardiac arrhythmias?
Improved cardiac function
Heart attack
Decreased blood pressure
Reduced cholesterol levels
#6
What is the term for an abnormal heart rhythm that occurs during exercise?
Resting arrhythmia
Exertional arrhythmia
Postural arrhythmia
Sinus arrhythmia
#7
Which of the following is NOT a type of cardiac arrhythmia?
Atrial fibrillation
Ventricular tachycardia
Sinus bradycardia
Systolic hypertension
#8
What is the term for an irregular heartbeat that originates in the atria?
Atrial flutter
Ventricular fibrillation
Sinus rhythm
Bradycardia
#9
What is the primary function of the sinoatrial (SA) node in the heart?
Regulates blood pressure
Initiates electrical impulses
Pumps blood to the body
Filters impurities from the blood
#10
Which medication class is commonly prescribed to manage atrial fibrillation?
Beta-blockers
Antibiotics
Antidepressants
Anticoagulants
#11
Which electrolyte imbalance is commonly associated with the development of cardiac arrhythmias?
Hypernatremia
Hypokalemia
Hypercalcemia
Hyperglycemia
#12
What is the term for an abnormal heart rhythm originating from the ventricles?
Atrial fibrillation
Ventricular fibrillation
Atrial flutter
Supraventricular tachycardia
#13
Which of the following factors can contribute to the development of cardiac arrhythmias?
Smoking
Regular exercise
Adequate sleep
Low sodium diet
#14
What is the term for a rapid and irregular heart rhythm that can be life-threatening?
Atrial fibrillation
Sinus bradycardia
Ventricular tachycardia
Premature ventricular contractions (PVCs)
#15
Which medical device is commonly used to treat severe ventricular arrhythmias?
Pacemaker
Implantable cardioverter-defibrillator (ICD)
Cardiac catheter
Stent
#16
What is the term for the feeling of a rapid or irregular heartbeat, often described as 'fluttering' or 'pounding'?
Dyspnea
Palpitations
Angina
Hypertension
#17
What is the term for a rapid and irregular heart rhythm originating from the atria, often referred to as 'quivering'?
Ventricular fibrillation
Atrial fibrillation
Atrial flutter
Ventricular tachycardia