Podcast
Questions and Answers
Where is the heart located in the body?
Where is the heart located in the body?
- Above the kidneys
- In the abdominal cavity
- Behind the liver
- Between the lungs in the mediastinum (correct)
What separates the heart from other structures?
What separates the heart from other structures?
- Myocardium
- Endocardium
- Pericardium (correct)
- Epicardium
How many chambers does a typical heart have?
How many chambers does a typical heart have?
- 6 chambers
- 4 chambers (correct)
- 3 chambers
- 5 chambers
Which part of the heart pumps blood out to the body or lungs?
Which part of the heart pumps blood out to the body or lungs?
What is the role of auricles in the heart?
What is the role of auricles in the heart?
Which layer of the heart is the most superficial?
Which layer of the heart is the most superficial?
What is the role of Ca++ channels at 0mV in the heart?
What is the role of Ca++ channels at 0mV in the heart?
Which part of the heart has the slow Ca++ channels that allow for the plateau phase?
Which part of the heart has the slow Ca++ channels that allow for the plateau phase?
If not for endocrine control, how many times per minute would the AV node fire?
If not for endocrine control, how many times per minute would the AV node fire?
What is the purpose of electrodes placed on the body in relation to the heart's electrical signals?
What is the purpose of electrodes placed on the body in relation to the heart's electrical signals?
What is the abbreviation commonly used for Electrocardiogram?
What is the abbreviation commonly used for Electrocardiogram?
What is the main purpose of AEDs in relation to cardiac issues?
What is the main purpose of AEDs in relation to cardiac issues?
Which phase of the cardiac cycle involves pumping blood into circulation?
Which phase of the cardiac cycle involves pumping blood into circulation?
What happens during atrial systole in the cardiac cycle?
What happens during atrial systole in the cardiac cycle?
What is the role of myoglobin in cardiac muscle metabolism?
What is the role of myoglobin in cardiac muscle metabolism?
What represents the amount of blood left in the ventricles after stroke volume is pushed out?
What represents the amount of blood left in the ventricles after stroke volume is pushed out?
What characterizes the phase of ventricular diastole in the cardiac cycle?
What characterizes the phase of ventricular diastole in the cardiac cycle?
What is the function of the endothelium in the heart?
What is the function of the endothelium in the heart?
Which structure divides the heart into chambers and is a physical extension of the myocardium?
Which structure divides the heart into chambers and is a physical extension of the myocardium?
What is the main function of the atrioventricular (AV) node in the heart?
What is the main function of the atrioventricular (AV) node in the heart?
How does the sinoatrial (SA) node contribute to cardiac function?
How does the sinoatrial (SA) node contribute to cardiac function?
What is the role of desmosomes in cardiac muscle cells?
What is the role of desmosomes in cardiac muscle cells?
Why do valve disorders primarily occur in the heart?
Why do valve disorders primarily occur in the heart?
Which type of cell initiates and propagates the action potential through the heart?
Which type of cell initiates and propagates the action potential through the heart?
During which phase do cardiac contractile cells plateau before repolarizing?
During which phase do cardiac contractile cells plateau before repolarizing?
Which heart sound is associated with the closing of atrioventricular valves?
Which heart sound is associated with the closing of atrioventricular valves?
What does S2 represent in terms of heart sounds?
What does S2 represent in terms of heart sounds?
What term is used when both S3 and S4 heart sounds are present?
What term is used when both S3 and S4 heart sounds are present?
What is the formula for calculating Cardiac Output (CO)?
What is the formula for calculating Cardiac Output (CO)?
What is the normal range for Cardiac Output (CO) in a healthy individual?
What is the normal range for Cardiac Output (CO) in a healthy individual?
What percentage of blood pumped represents the Ejection Fraction?
What percentage of blood pumped represents the Ejection Fraction?
What is the target heart rate range used to maintain a high Cardiac Output during exercise?
What is the target heart rate range used to maintain a high Cardiac Output during exercise?
Where does the nervous control of Heart Rate originate from?
Where does the nervous control of Heart Rate originate from?
Which hormone is released by sympathetic stimulation and shortens the repolarization period?
Which hormone is released by sympathetic stimulation and shortens the repolarization period?
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