25 Questions
What happens to blood pressure during a heartbeat?
Blood pressure increases
What is the name given to one complete sequence of contraction and relaxation?
A heartbeat
What is the definition of systolic pressure?
The maximum blood pressure during ventricle contraction
What is the definition of diastolic pressure?
The minimum pressure recorded just prior to the next ventricle contraction
How many phases are there in one complete heartbeat?
2
Which vena cava carries deoxygenated blood?
Inferior Vena Cava
Which type of blood pressure measures the force of blood against artery walls during the heart's relaxation phase?
Diastolic pressure
What is the first instrument used to measure blood pressure?
Mercury column
What is the name of the circulation path where blood moves from the heart to the lungs for oxygenation and then back to the heart?
Pulmonary circulation
What does the term 'systole' refer to?
The pumping phase of the heart
What is the main purpose of the systemic circulation?
All of the above
What is the main role of the left ventricle in the systemic circulation?
To pump oxygenated blood to the body's tissues
What is the primary function of the systemic circulation?
To transport oxygen and nutrients to the body's tissues
Which of the following is not a part of the systemic circulation?
The movement of blood from the heart to the lungs
Which of the following best describes the systemic circulation?
The movement of blood from the heart through the body and back to the heart
What is the purpose of the one-way, semi-lunar valves at the entrance to the pulmonary veins?
To prevent backflow of blood from the heart to the lungs
Where do the pulmonary veins originate from?
The lungs
What is the primary function of the pulmonary veins?
To transport oxygenated blood from the lungs to the heart
What type of valves are found at the entrance to the pulmonary veins?
Semi-lunar valves
What is the primary purpose of the one-way, semi-lunar valves at the entrance to the pulmonary veins?
To prevent the backflow of blood from the heart to the lungs
The irregular muscular cords mentioned in the text are found on the inner wall of which chamber?
Right ventricle
What is the purpose of the septum in the heart?
To separate the left and right ventricles
Which structure in the heart is responsible for receiving deoxygenated blood from the body?
Right atrium
What is the term used to describe the contraction of the heart muscles?
Systole
During which phase of the cardiac cycle does the heart relax and refill with blood?
Ventricular diastole
Learn about the relationship between blood pressure and the heartbeat cycle. Discover how systolic and diastolic pressure are measured and their significance in monitoring cardiovascular health.
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