#1
Which of the following is NOT a common cause of bradycardia?
Hypothyroidism
Heart block
Hyperthyroidism
Medication side effects
#2
What is the typical heart rate threshold defining bradycardia in adults?
Less than 60 beats per minute
Less than 80 beats per minute
Less than 100 beats per minute
Less than 120 beats per minute
#3
Which of the following is a potential complication of untreated bradycardia?
Hypertension
Heart failure
Atrial fibrillation
Hyperglycemia
#4
What is the initial step in assessing a patient with suspected bradycardia?
Administering oxygen
Performing a 12-lead ECG
Assessing airway, breathing, and circulation
Obtaining a detailed medical history
#5
Which of the following symptoms is NOT commonly associated with bradycardia?
Dizziness
Palpitations
Shortness of breath
Chest pain
#6
Which medication is commonly used for acute symptomatic bradycardia?
Atropine
Epinephrine
Amiodarone
Digoxin
#7
What is the primary intervention for symptomatic bradycardia with poor perfusion?
Immediate synchronized cardioversion
Transcutaneous pacing
Administering beta-blockers
Observation and reassurance
#8
Which heart rhythm is commonly associated with sinus bradycardia?
Normal sinus rhythm
Atrial fibrillation
Ventricular tachycardia
Supraventricular tachycardia
#9
What is the primary treatment goal in managing bradycardia?
To increase heart rate
To lower blood pressure
To restore normal sinus rhythm
To stabilize electrolyte levels
#10
Which autonomic nervous system branch primarily influences heart rate?
Sympathetic nervous system
Parasympathetic nervous system
Enteric nervous system
Somatic nervous system
#11
What is the recommended first-line treatment for stable bradycardia?
Transcutaneous pacing
Intravenous epinephrine
Oral beta-blockers
Observation and outpatient follow-up
#12
Which medication class is commonly used for long-term management of bradycardia?
Beta-blockers
Calcium channel blockers
Diuretics
Nitrates
#13
What is the recommended initial pacing rate for transcutaneous pacing in a bradycardic patient?
40-50 beats per minute
60-70 beats per minute
80-90 beats per minute
100-110 beats per minute
#14
Which of the following is a common symptom of bradycardia in athletes?
Chest pain
Fatigue
Dizziness upon standing
Increased heart rate
#15
Which diagnostic test can help identify the underlying cause of bradycardia, such as structural heart disease?
Chest X-ray
Echocardiogram
Computed tomography (CT) scan
Electroencephalogram (EEG)