Podcast
Questions and Answers
What causes the 'LUB' sound in the heart?
What causes the 'LUB' sound in the heart?
- Pumping of blood into the pulmonary arteries
- Closing of the atrioventricular valves during ventricular contraction (correct)
- Closing of the valves leading out of the heart
- Opening of the tricuspid valve
Where does deoxygenated blood go after filling the right atrium?
Where does deoxygenated blood go after filling the right atrium?
- Flows into the left ventricle
- Pumped into the pulmonary veins
- Transferred to the aorta
- Moves to the pulmonary arteries (correct)
What happens when pressure builds up in the left atrium?
What happens when pressure builds up in the left atrium?
- Closing of the atrioventricular valves
- Mitral valve opens (correct)
- Pulmonary vein contraction
- Opening of the tricuspid valve
What is the function of the pulmonary circulation?
What is the function of the pulmonary circulation?
What is the main function of the thinnest blood vessels?
What is the main function of the thinnest blood vessels?
What is the role of valves in the cardiovascular system?
What is the role of valves in the cardiovascular system?
What is auscultation in medical terms?
What is auscultation in medical terms?
Who was the first to show that the heart and blood vessels form a continuous closed circulatory system?
Who was the first to show that the heart and blood vessels form a continuous closed circulatory system?
Which type of circulation involves the blood passing through the blood vessels?
Which type of circulation involves the blood passing through the blood vessels?
In which system does the hemolymph or circulating fluid in invertebrates not pass through enclosed tubes?
In which system does the hemolymph or circulating fluid in invertebrates not pass through enclosed tubes?
Where does gas exchange take place in an open circulatory system?
Where does gas exchange take place in an open circulatory system?
Which component of the circulatory system involves transporting blood away from and back to the heart?
Which component of the circulatory system involves transporting blood away from and back to the heart?
