Podcast
Questions and Answers
Where is the heart located in the body?
Where is the heart located in the body?
- Above the stomach
- In a space called the mediastinum (correct)
- Between the kidneys
- Behind the liver
Which chamber of the heart collects blood and pushes it into the lower chambers?
Which chamber of the heart collects blood and pushes it into the lower chambers?
- Right atrium
- Left atrium (correct)
- Left ventricle
- Right ventricle
Which vessel connects the right ventricle to the pulmonary trunk?
Which vessel connects the right ventricle to the pulmonary trunk?
- Inferior vena cava
- Pulmonary artery (correct)
- Aorta
- Superior vena cava
What is the only artery that carries deoxygenated blood in the body?
What is the only artery that carries deoxygenated blood in the body?
Which layer of the heart is described as the middle thickest layer containing muscle cells, nerve fibers, and blood vessels?
Which layer of the heart is described as the middle thickest layer containing muscle cells, nerve fibers, and blood vessels?
What is the function of auricles in the heart?
What is the function of auricles in the heart?
What happens at 0mV in the heart muscle?
What happens at 0mV in the heart muscle?
What role does Ca++ play during the contraction of heart muscle?
What role does Ca++ play during the contraction of heart muscle?
Which component of the heart's conduction system would have the highest intrinsic firing rate?
Which component of the heart's conduction system would have the highest intrinsic firing rate?
What is the purpose of electrodes placed on the body during an ECG?
What is the purpose of electrodes placed on the body during an ECG?
What is another name for an electrocardiogram?
What is another name for an electrocardiogram?
What is the main purpose of AED's?
What is the main purpose of AED's?
During which phase of the cardiac cycle are the semilunar valves closed?
During which phase of the cardiac cycle are the semilunar valves closed?
What happens during ventricular diastole?
What happens during ventricular diastole?
Which wave represents repolarization of the ventricles?
Which wave represents repolarization of the ventricles?
What is the amount of blood normally pushed out by the ventricles as stroke volume?
What is the amount of blood normally pushed out by the ventricles as stroke volume?
In which phase does the atria contract following depolarization, known as 'atrial kick'?
In which phase does the atria contract following depolarization, known as 'atrial kick'?
What causes the sound known as S3 in a healthy heart?
What causes the sound known as S3 in a healthy heart?
Which term is used to refer to having both S3 and S4 heart sounds?
Which term is used to refer to having both S3 and S4 heart sounds?
What is the formula for calculating Cardiac Output (CO)?
What is the formula for calculating Cardiac Output (CO)?
What is considered the normal range for Cardiac Output (CO) in liters per minute?
What is considered the normal range for Cardiac Output (CO) in liters per minute?
What is the target heart rate range meant to achieve?
What is the target heart rate range meant to achieve?
How is Ejection Fraction calculated?
How is Ejection Fraction calculated?
Which layer of the heart is responsible for releasing endothelins, strong vasoconstrictors?
Which layer of the heart is responsible for releasing endothelins, strong vasoconstrictors?
How many septa are present in the heart?
How many septa are present in the heart?
Which structure in the heart was a foramen ovale in a fetus?
Which structure in the heart was a foramen ovale in a fetus?
What is the function of the moderator band in the right ventricle?
What is the function of the moderator band in the right ventricle?
Which chamber of the heart receives oxygenated blood from the pulmonary veins?
Which chamber of the heart receives oxygenated blood from the pulmonary veins?
What is the main function of heart valves?
What is the main function of heart valves?
Where do arteries branch off to supply blood to the myocardium and other components?
Where do arteries branch off to supply blood to the myocardium and other components?
What is the function of Purkinje fibers in the heart?
What is the function of Purkinje fibers in the heart?
What is the total time from initial impulse to ventricle depolarization in the heart?
What is the total time from initial impulse to ventricle depolarization in the heart?
Which type of cells in the heart exhibit autorhythmicity and can initiate an electrical potential at a fixed rate?
Which type of cells in the heart exhibit autorhythmicity and can initiate an electrical potential at a fixed rate?
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