Cardiology Quiz: Basic MCQ Exam! Trivia

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  • 1/16 Questions

    A PAC is occurring on every third beat. This is known as which of the following?

    • Pairs
    • Run or burst
    • Trigeminy
    • Bigeminy
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About This Quiz

Cardiology is a branch of medicine involving disorders of the heart and some portions of the circulatory system. The field involves medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease, and electrophysiology. See how much you know about cardiology by taking this quiz. This quiz will test you on various aspects, from understanding cardiovascular anatomy and interpreting ECGs to managing acute cardiac events and long-term care strategies. Engage with detailed explanations and enhance your clinical judgment.

Ideal for medical students, practicing cardiologists, and healthcare professionals keen on updating their cardiovascular knowledge. Dive into scenarios that simulate real-life medical decisions and diagnostics. Whether you're revising for board exams or just curious about cardiology, this quiz is tailored to provide a comprehensive learning experience. Test your knowledge and see where you stand in the realm of cardiology!

Cardiology Quiz: Basic MCQ Exam! Trivia - Quiz

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  • 2. 

    What anchors the heart to some of the structures around it, such as the sternum and diaphragm?

    • Chordae tendineae

    • Papillary muscles

    • Fibrous parietal pericardium

    • Troponin

    Correct Answer
    A. Fibrous parietal pericardium
    Explanation
    The fibrous parietal pericardium anchors the heart to some of the structures around it, such as the sternum and diaphragm. The fibrous pericardium is a tough, fibrous sac that surrounds the heart and helps to protect and anchor it in place. It is attached to the diaphragm below and the sternum above, providing stability and support to the heart. The other options, chordae tendineae, papillary muscles, and troponin, are not directly involved in anchoring the heart to surrounding structures.

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  • 3. 

    List three major coronary arteries

    • RCA, RCA marginal branch, and Left marginal branch

    • Aorta, Aortic Arch, and pulmonary arteries

    • LAD,LCX, and RCA

    • SA node, AV node, and Bundle of His

    Correct Answer
    A. LAD,LCX, and RCA
    Explanation
    The correct answer is LAD, LCX, and RCA. These are the three major coronary arteries that supply blood to the heart. The LAD (left anterior descending) artery supplies the front and bottom parts of the heart, the LCX (left circumflex) artery supplies the left side of the heart, and the RCA (right coronary artery) supplies the right side of the heart. These arteries play a crucial role in delivering oxygen and nutrients to the heart muscle, and any blockages or damage to these arteries can lead to heart problems.

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  • 4. 

    What is a normal PR interval?

    • 0.12-0.25 sec

    • 0.8-0.15 sec

    • 0.12-0.20

    • None of the above

    Correct Answer
    A. 0.12-0.20
    Explanation
    A normal PR interval refers to the time it takes for the electrical impulse to travel from the atria to the ventricles of the heart. The correct answer, 0.12-0.20 sec, falls within the normal range for a PR interval. This duration allows for proper coordination between the atria and ventricles, ensuring efficient and effective pumping of blood throughout the heart.

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  • 5. 

    A 73-year-old male awakens suddenly at 0200 complaining of dyspnea. You find him in the tripod position. Crackles are audible around the scapulae. He has a history of hypertension. You suspect his symptoms are related to:

    • Fluid overload

    • Increased Cardiac Output

    • Left heart failure

    • Reactive airway disease

    Correct Answer
    A. Left heart failure
    Explanation
    Based on the information provided, the patient's symptoms of sudden dyspnea, crackles around the scapulae, and history of hypertension are suggestive of left heart failure. Left heart failure occurs when the left side of the heart is unable to pump blood effectively, leading to a buildup of fluid in the lungs. The tripod position, where the patient sits upright and leans forward to breathe, is a compensatory mechanism to relieve respiratory distress. Therefore, the correct answer is left heart failure.

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  • 6. 

    What SVT is associated with a Delta wave?

    • AVRT (WPW)

    • AVNRT

    • Atrial Tachycardia

    • V-Tach

    Correct Answer
    A. AVRT (WPW)
    Explanation
    SVT stands for supraventricular tachycardia, which is a type of abnormal heart rhythm. A Delta wave is a characteristic finding on an electrocardiogram (ECG) that is associated with a condition called Wolff-Parkinson-White syndrome (WPW). WPW is a type of SVT where there is an extra electrical pathway in the heart, known as an accessory pathway. This pathway can cause the electrical signals to bypass the normal conduction system of the heart, leading to a rapid heart rate. Therefore, SVT associated with a Delta wave is most likely due to AVRT (atrioventricular reentrant tachycardia) in the context of WPW.

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  • 7. 

    Name the three main types of SVT.

    • Atrial tachycardia, atrioventricular nodal reentrant tachycardia, atrioventricular reentrant tachycardia

    • WPW, AVNRT,AVRT

    • A-fib,Aflutter, V-tach

    • RBBB, Wenckebach, Morbitz

    Correct Answer
    A. Atrial tachycardia, atrioventricular nodal reentrant tachycardia, atrioventricular reentrant tachycardia
    Explanation
    The correct answer is atrial tachycardia, atrioventricular nodal reentrant tachycardia, atrioventricular reentrant tachycardia. These are the three main types of supraventricular tachycardia (SVT), which is a type of abnormal heart rhythm that originates above the ventricles. Atrial tachycardia refers to a rapid heart rate originating from the atria, while atrioventricular nodal reentrant tachycardia and atrioventricular reentrant tachycardia involve abnormal electrical pathways in the heart's conduction system. These conditions can cause symptoms such as palpitations, dizziness, and shortness of breath, and may require medical intervention for management.

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  • 8. 

    The term used to describe the period of recovery that cells need after being discharged before they are able to respond to a stimulus is ___________________.

    • Refractoriness

    • Polarized State

    • Depolarization

    • Arrhythmia

    Correct Answer
    A. Refractoriness
    Explanation
    Refractoriness refers to the period of recovery that cells need after being discharged before they are able to respond to a stimulus. During this time, the cells are temporarily unable to generate another action potential, making them unresponsive to further stimulation. This refractory period is crucial for ensuring proper cell signaling and preventing excessive firing of action potentials.

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  • 9. 

    Define Cardiac Output

    • Normal Heart rate

    • Stroke Volume

    • Amount of blood ejected from a ventricle with each heartbeat

    • Amount of blood pumped into the aorta each minute by the heart

    Correct Answer
    A. Amount of blood pumped into the aorta each minute by the heart
    Explanation
    Cardiac output refers to the amount of blood that is pumped by the heart into the aorta every minute. It is determined by the product of the heart rate (the number of times the heart beats per minute) and the stroke volume (the amount of blood ejected from a ventricle with each heartbeat). Therefore, the correct answer is the "Amount of blood pumped into the aorta each minute by the heart".

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  • 10. 

    If you administer nitro to a patient with ST elevation in leads 2,3, and aVF, you should be prepared to?

    • Administer a bolus of normal saline if the blood pressure drops

    • Change to morphine, as nitro is rarely successful

    • Start a dopamine drip if the pt becomes hypotensive

    • Treat the pt for congestive heart failure

    Correct Answer
    A. Administer a bolus of normal saline if the blood pressure drops
    Explanation
    Administering nitro to a patient with ST elevation in leads 2, 3, and aVF can cause a drop in blood pressure. Nitro is a vasodilator that relaxes the blood vessels, leading to decreased blood pressure. Therefore, if the blood pressure drops after administering nitro, it is important to administer a bolus of normal saline to increase fluid volume and stabilize the blood pressure. This is necessary to ensure adequate perfusion to the vital organs and prevent further complications.

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  • 11. 

    Where does the coronary sinus end?

    • Right Atrium

    • Left Atrium

    • Right Ventricle

    • Left Ventricle

    Correct Answer
    A. Right Atrium
    Explanation
    The coronary sinus is a large vein that collects deoxygenated blood from the heart muscle. It is located on the posterior side of the heart and drains into the right atrium. The right atrium is one of the four chambers of the heart and receives deoxygenated blood from the body. Therefore, the correct answer is the Right Atrium.

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  • 12. 

    What is the most common congenital heart defect?

    • Ventricular Septal defect

    • Atrial Septal defect

    • Ductus arteriosus

    • Pulmonary Valve stenosis

    Correct Answer
    A. Ventricular Septal defect
    Explanation
    Ventricular septal defect (VSD) is the most common congenital heart defect. It occurs when there is a hole in the wall that separates the two lower chambers of the heart, known as the ventricles. This hole allows oxygen-rich and oxygen-poor blood to mix, causing the heart to work harder to pump blood. VSD can vary in size and severity, and in some cases, it may close on its own without requiring treatment. However, larger VSDs may require surgical intervention to repair the defect and prevent complications.

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  • 13. 

    What is the intrinsic rate for the Bundle of His?

    • 20-40

    • 40-60

    • 60-100

    • 80-100

    Correct Answer
    A. 40-60
    Explanation
    The intrinsic rate for the Bundle of His is 40-60. This means that the Bundle of His, which is responsible for conducting electrical signals through the heart, has an inherent rate of 40-60 beats per minute.

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  • 14. 

    The rhythm on the cardiac monitor shows a rate of 56 and regular with P waves after the QRS complex with the QRS duration of 0.10 seconds. Which of the following best describes this rhythm?

    • Accelerated junctional rhythm

    • Junctional escape rhythm

    • Ventricular escape rhythm

    • Accelerated idioventricular rhythm

    Correct Answer
    A. Junctional escape rhythm
    Explanation
    A junctional escape rhythm is characterized by a slow heart rate (typically between 40-60 beats per minute) and originates from the AV junction. In this rhythm, the P waves may be absent or occur after the QRS complex, which is consistent with the given description. The QRS duration of 0.10 seconds is within the normal range, further supporting the diagnosis of a junctional escape rhythm.

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  • 15. 

    Leads aVR, aVL, and aVF are known as ________________leads.

    • Augmented

    • Unipolar

    • Both A and B

    • Limb leads

    Correct Answer
    A. Both A and B
    Explanation
    The leads aVR, aVL, and aVF are known as augmented leads because they measure the electrical activity of the heart from different angles or viewpoints. These leads provide additional information about the electrical activity of the heart and are used in electrocardiography to diagnose various cardiac conditions. They are also known as unipolar leads because they measure the electrical potential difference between a specific electrode and a reference point. Therefore, the correct answer is "Both A and B" as these leads are both augmented and unipolar.

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  • 16. 

    Which term represents conduction velocity?

    • Chronotropic

    • Dromotropic

    • Inotropic

    • Automaticity

    Correct Answer
    A. Dromotropic
    Explanation
    Dromotropic represents conduction velocity. Conduction velocity refers to the speed at which electrical impulses travel through the heart's conduction system. Dromotropic drugs or factors can either increase or decrease conduction velocity, affecting the rate at which the heart conducts electrical impulses. This term is commonly used in cardiology to describe the effects of medications or conditions on the heart's electrical conduction system.

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Farah Naz |MBBS |
Medical Writer
Farah Naz is a Medical Professional with a Bachelor of Medicine and Bachelor of Surgery (MBBS) from Dow University of Health Sciences. Her academic journey included internships in Radiology, Cardiology, and Neurosurgery. Her contributions to medical research extend to two publications in medical journals, solidifying her position as a promising addition to the field.

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  • Apr 25, 2024
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  • Aug 22, 2011
    Quiz Created by
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