Podcast
Questions and Answers
What is the extracellular matrix of blood called?
What is the extracellular matrix of blood called?
- Cytoplasm
- Plasma (correct)
- Nucleus
- Lysosome
Which of the following is a cellular element in blood that is NOT a formed element?
Which of the following is a cellular element in blood that is NOT a formed element?
- White blood cells
- Platelets
- Red blood cells
- Endocrine cells (correct)
What is the primary function of blood?
What is the primary function of blood?
- Synthesis of hormones
- Absorption of oxygen
- Delivery of oxygen and nutrients to body cells (correct)
- Storage of nutrients
How do nutrients from the foods you eat reach body cells?
How do nutrients from the foods you eat reach body cells?
Which system is responsible for transporting oxygen from the air you breathe into the blood?
Which system is responsible for transporting oxygen from the air you breathe into the blood?
What is the function of endocrine glands in relation to blood?
What is the function of endocrine glands in relation to blood?
What is the main function of blood platelets during vessel damage?
What is the main function of blood platelets during vessel damage?
What is the role of white blood cells in protecting the body?
What is the role of white blood cells in protecting the body?
What is true about the hematocrit test?
What is true about the hematocrit test?
What contributes to maintaining the pH of body tissues?
What contributes to maintaining the pH of body tissues?
How does blood help regulate body temperature on a warm day?
How does blood help regulate body temperature on a warm day?
What is the primary characteristic that determines the color of blood?
What is the primary characteristic that determines the color of blood?
Which component of blood helps in maintaining the water content of body cells?
Which component of blood helps in maintaining the water content of body cells?
What is the role of proteins present in blood?
What is the role of proteins present in blood?
How do homeostatic mechanisms regulate body temperature during exercise on a warm day?
How do homeostatic mechanisms regulate body temperature during exercise on a warm day?
What happens to the color of blood that has just taken up oxygen?
What happens to the color of blood that has just taken up oxygen?
Why does blood have a slightly higher temperature than normal body temperature?
Why does blood have a slightly higher temperature than normal body temperature?
What is the role of albumin in the blood plasma?
What is the role of albumin in the blood plasma?
Why does honey demonstrate greater resistance to flow compared to water?
Why does honey demonstrate greater resistance to flow compared to water?
Which component of blood contributes significantly to maintaining both blood volume and pressure?
Which component of blood contributes significantly to maintaining both blood volume and pressure?
What is the average pH range of blood in a healthy person?
What is the average pH range of blood in a healthy person?
Which plasma protein group is primarily involved in transporting iron, lipids, and fat-soluble vitamins?
Which plasma protein group is primarily involved in transporting iron, lipids, and fat-soluble vitamins?
What effect does the presence of plasma proteins have on the viscosity of blood?
What effect does the presence of plasma proteins have on the viscosity of blood?
Among the plasma proteins, which is produced by specialized leukocytes known as plasma cells?
Among the plasma proteins, which is produced by specialized leukocytes known as plasma cells?
How much of the total plasma protein volume do globulins make up?
How much of the total plasma protein volume do globulins make up?
What is the primary function of fibrinogen in the blood plasma?
What is the primary function of fibrinogen in the blood plasma?
Which chamber of the heart pumps blood through the aortic valve into the ascending aorta?
Which chamber of the heart pumps blood through the aortic valve into the ascending aorta?
What is the function of the ligamentum arteriosum in the heart?
What is the function of the ligamentum arteriosum in the heart?
Through which valve does blood pass when moving from the left atrium into the left ventricle?
Through which valve does blood pass when moving from the left atrium into the left ventricle?
Which structure connects the pulmonary trunk and the aorta in the heart?
Which structure connects the pulmonary trunk and the aorta in the heart?
What is the function of the chordae tendineae in the heart?
What is the function of the chordae tendineae in the heart?
Which valve does blood pass through when entering the pulmonary trunk from the right ventricle?
Which valve does blood pass through when entering the pulmonary trunk from the right ventricle?
Why is the left ventricle wall thicker than the right ventricle wall?
Why is the left ventricle wall thicker than the right ventricle wall?
How do heart valves ensure one-way flow of blood?
How do heart valves ensure one-way flow of blood?
Why are atrial walls thinner than ventricular walls?
Why are atrial walls thinner than ventricular walls?
What is the function of semi-lunar valves in the heart?
What is the function of semi-lunar valves in the heart?
What contributes to the variations in thickness among different heart chambers?
What contributes to the variations in thickness among different heart chambers?
How does blood flow within the heart chambers based on pressure differences?
How does blood flow within the heart chambers based on pressure differences?
During the cardiac cycle, what causes the Lubb sound (S1) heard in the heartbeat?
During the cardiac cycle, what causes the Lubb sound (S1) heard in the heartbeat?
Which component contributes to cardiac output by representing the volume of blood ejected by the ventricle during each contraction?
Which component contributes to cardiac output by representing the volume of blood ejected by the ventricle during each contraction?
What is the primary cause of the Dupp sound (S2) in the cardiac cycle?
What is the primary cause of the Dupp sound (S2) in the cardiac cycle?
In the context of cardiac output, what does CO stand for?
In the context of cardiac output, what does CO stand for?
During which phase of the cardiac cycle does blood turbulence due to valve closure cause heart sounds?
During which phase of the cardiac cycle does blood turbulence due to valve closure cause heart sounds?
What modification can change Cardiac Output (CO) according to the provided text?
What modification can change Cardiac Output (CO) according to the provided text?
What happens when the atrioventricular valves are closed?
What happens when the atrioventricular valves are closed?
Which action tightens the chordae tendineae to prevent backflow of blood in the atrioventricular valves?
Which action tightens the chordae tendineae to prevent backflow of blood in the atrioventricular valves?
What causes the semilunar valves to close and prevent backflow of blood from arteries?
What causes the semilunar valves to close and prevent backflow of blood from arteries?
What is the main function of the semilunar valves in the heart?
What is the main function of the semilunar valves in the heart?
What drives the cusps of atrioventricular valves upward until they close during ventricle contraction?
What drives the cusps of atrioventricular valves upward until they close during ventricle contraction?
Why do semilunar valves open in the heart?
Why do semilunar valves open in the heart?
What is the term for the pressure that must be exceeded before the semilunar valves open and ventricular ejection begins?
What is the term for the pressure that must be exceeded before the semilunar valves open and ventricular ejection begins?
Which factor ensures that if more blood is returned to the heart, more blood is ejected in the next heart beat?
Which factor ensures that if more blood is returned to the heart, more blood is ejected in the next heart beat?
What is the origin of nervous system regulation of heart rate?
What is the origin of nervous system regulation of heart rate?
Which of the following is NOT involved in chemical regulation of heart rate?
Which of the following is NOT involved in chemical regulation of heart rate?
Which of the following factors influences the forcefulness of contraction of the heart muscle?
Which of the following factors influences the forcefulness of contraction of the heart muscle?
What factors are involved in ensuring that right and left ventricles pump equal volumes of blood?
What factors are involved in ensuring that right and left ventricles pump equal volumes of blood?
