Podcast
Questions and Answers
Which of the following best describes cardiac output?
Which of the following best describes cardiac output?
- The volume of blood pumped out of the left ventricle with each heartbeat
- The volume of blood pumped by each ventricle in one contraction
- The amount of blood pumped by each side of the heart in one minute (correct)
- The number of beats per minute
What is the typical stroke volume for each ventricle?
What is the typical stroke volume for each ventricle?
- 70 ml (correct)
- 75 beats per minute
- The volume of blood pumped by each ventricle in one contraction
- The amount of blood pumped by each side of the heart in one minute
What is the average heart rate?
What is the average heart rate?
- 75 beats per minute (correct)
- The volume of blood pumped out of the left ventricle with each heartbeat
- 70 ml
- The amount of blood pumped by each side of the heart in one minute
Which of the following best defines stroke volume?
Which of the following best defines stroke volume?
What is the primary factor that determines stroke volume?
What is the primary factor that determines stroke volume?
What happens to stroke volume during exercise?
What happens to stroke volume during exercise?
Which equation correctly represents cardiac output?
Which equation correctly represents cardiac output?
What is the cardiac output in liters per minute?
What is the cardiac output in liters per minute?
Which statement best describes the relationship between stroke volume and venous return?
Which statement best describes the relationship between stroke volume and venous return?
What percentage of blood in the ventricles is pumped with each heartbeat?
What percentage of blood in the ventricles is pumped with each heartbeat?
Which factor is the critical determinant of stroke volume?
Which factor is the critical determinant of stroke volume?
What is the relationship between stroke volume and the volume of venous return?
What is the relationship between stroke volume and the volume of venous return?
What is Starling's law of the heart?
What is Starling's law of the heart?
Which of the following is NOT a factor that modifies heart rate?
Which of the following is NOT a factor that modifies heart rate?
Which component of the autonomic nervous system increases heart rate?
Which component of the autonomic nervous system increases heart rate?
Which type of blood vessels carry blood away from the heart?
Which type of blood vessels carry blood away from the heart?
Which type of blood vessels play a role in exchanges between tissues and blood?
Which type of blood vessels play a role in exchanges between tissues and blood?
Which type of blood vessels return blood toward the heart?
Which type of blood vessels return blood toward the heart?
Which of the following is responsible for transporting blood to the tissues and back to the heart?
Which of the following is responsible for transporting blood to the tissues and back to the heart?
Which blood vessels return blood toward the heart? Remember the vascular system transports blood to the tissues and back to the heart.
Which blood vessels return blood toward the heart? Remember the vascular system transports blood to the tissues and back to the heart.
Which layer of the blood vessels forms a friction-reducing lining?
Three layers (tunics) in blood vessels (except the capillaries) the tunicas.
Which layer of the blood vessels forms a friction-reducing lining? Three layers (tunics) in blood vessels (except the capillaries) the tunicas.
Which layer of the blood vessels is mostly composed of fibrous connective tissue?
Which layer of the blood vessels is mostly composed of fibrous connective tissue?
Which layer of the blood vessels is controlled by the sympathetic nervous system?
Which layer of the blood vessels is controlled by the sympathetic nervous system?
Which blood vessels have a thicker tunica media to withstand changes in pressure?
Which blood vessels have a thicker tunica media to withstand changes in pressure?
Which blood vessels have valves to prevent backflow of blood?
Which blood vessels have valves to prevent backflow of blood?
Which blood vessels have a larger lumen?
Which blood vessels have a larger lumen?
Which type of blood vessels are only one cell layer thick (tunica intima), to allow for exchanges between blood and tissue to allow for exchanges between blood and tissue?
Which type of blood vessels are only one cell layer thick (tunica intima), to allow for exchanges between blood and tissue to allow for exchanges between blood and tissue?
What are networks of capillaries called?
What are networks of capillaries called?
What is the term for the blood flow through a capillary bed?
What is the term for the blood flow through a capillary bed?
Which type of blood vessels play a role in exchanges between tissues and blood?
Which type of blood vessels play a role in exchanges between tissues and blood?
What happens when precapillary sphincters are closed?
What happens when precapillary sphincters are closed?
What are the two types of vessels that make up capillary beds?
What are the two types of vessels that make up capillary beds?
Which type of vessels make up capillary beds?
Which type of vessels make up capillary beds?
What guards the entrances to capillary beds?
What guards the entrances to capillary beds?
Where do exchanges with tissue cells occur?
Where do exchanges with tissue cells occur?
Which of the following is a common predisposing factor for varicose veins?
Which of the following is a common predisposing factor for varicose veins?
What is the structural defect that leads to varicose veins?
What is the structural defect that leads to varicose veins?
Which of the following is a common vascular problem associated with varicose veins?
Which of the following is a common vascular problem associated with varicose veins?
Which artery leaves from the left ventricle of the heart?
Which artery leaves from the left ventricle of the heart?
Which artery passes through the diaphragm into the abdominopelvic cavity?
Which artery passes through the diaphragm into the abdominopelvic cavity?
Which artery arches to the left?
Which artery arches to the left?
Which artery is the largest in the body?
Which artery is the largest in the body?
Which region of the aorta travels downward through the thorax?
Which region of the aorta travels downward through the thorax?
Which region of the aorta passes through the diaphragm into the abdominopelvic cavity?
Which region of the aorta passes through the diaphragm into the abdominopelvic cavity?
Which artery is the largest in the body?
Which artery is the largest in the body?
Which region of the aorta passes through the diaphragm into the abdominopelvic cavity?
Which region of the aorta passes through the diaphragm into the abdominopelvic cavity?
Which artery branches off from the brachiocephalic trunk?
Which artery branches off from the brachiocephalic trunk?
Which artery does the left common carotid artery split into?
Which artery does the left common carotid artery split into?
Which artery does the left subclavian artery become in the axilla?
Which artery does the left subclavian artery become in the axilla?
Which artery does the left subclavian artery become in the axilla?
Which artery does the left subclavian artery become in the axilla?
Which artery is the largest in the body?
Which artery is the largest in the body?
Which blood vessels have valves to prevent backflow of blood?
Which blood vessels have valves to prevent backflow of blood?
Which artery does the left subclavian artery become in the axilla? Left subclavian artery branches into the:
Vertebral artery and in the. axilla it becomes?
Which artery does the left subclavian artery become in the axilla? Left subclavian artery branches into the: Vertebral artery and in the. axilla it becomes?
Which arteries supply the muscles of the thorax wall?
Which arteries supply the muscles of the thorax wall?
Which blood vessels supply the lungs?
Which blood vessels supply the lungs?
Which blood vessels supply the esophagus?
Which blood vessels supply the esophagus?
Which artery is the first branch of the abdominal aorta?
Which artery is the first branch of the abdominal aorta?
Which artery supplies most of the small intestine and first half of the large intestine?
Which artery supplies most of the small intestine and first half of the large intestine?
Which branches originate from the celiac trunk?
Which branches originate from the celiac trunk?
Which artery supplies the ovaries in females?
Which artery supplies the ovaries in females?
Which artery supplies the testes in males?
Which artery supplies the testes in males?
Which arteries serve the muscles of the abdomen and trunk?
Which arteries serve the muscles of the abdomen and trunk?
Which artery serves the second half of the large intestine?
Which artery serves the second half of the large intestine?
Which arteries are the final branches of the aorta?
Which arteries are the final branches of the aorta?
Which arteries serve the pelvic organs?
Which arteries serve the pelvic organs?
Which blood vessels supply the pelvic organs?
Which blood vessels supply the pelvic organs?
Which blood vessels enter the thigh-----> femoral artery-----> popliteal artery-------> anterior and posterior tibial arteries
Which blood vessels enter the thigh-----> femoral artery-----> popliteal artery-------> anterior and posterior tibial arteries
Which blood vessels serve the leg and foot?
Which blood vessels serve the leg and foot?
Which blood vessels drain the head and arms?
Which blood vessels drain the head and arms?
Where do the superior and inferior venae cavae enter?
Where do the superior and inferior venae cavae enter?
Which blood vessels drain the lower body?
Which blood vessels drain the lower body?
Which vein drains the lateral aspect of the arm and empties into the axillary vein?
Which vein drains the lateral aspect of the arm and empties into the axillary vein?
Which vein drains the medial aspect of the arm and empties into the brachial vein?
Radial and ulnar veins ---->brachial vein -------> axillary vein
Which vein drains the medial aspect of the arm and empties into the brachial vein? Radial and ulnar veins ---->brachial vein -------> axillary vein
Which vein is joined by the basilic and cephalic veins at the elbow area? These veins drains the arms!
Which vein is joined by the basilic and cephalic veins at the elbow area? These veins drains the arms!
Subclavian vein receives venous blood from skin and muscles via external jugular vein, which vein receives venous blood from the arm via the axillary vein?
Subclavian vein receives venous blood from skin and muscles via external jugular vein, which vein receives venous blood from the arm via the axillary vein?
Which vein drains the posterior part of the head?
Which vein drains the posterior part of the head?
Which vein drains the dural sinuses of the brain?
Which vein drains the dural sinuses of the brain?
Which blood vessels join to form the superior vena cava?
Which blood vessels join to form the superior vena cava?
Which veins drain the thorax?
Which veins drain the thorax?
Which veins receive venous blood from the subclavian veins, vertebral veins, and internal jugular veins?
Which veins receive venous blood from the subclavian veins, vertebral veins, and internal jugular veins?
Which veins receive superficial drainage of the legs?
Which veins receive superficial drainage of the legs?
Which veins drain the legs?
Which veins drain the legs?
What forms each common iliac vein?
The flow Posterior tibial vein ---- popliteal vein ----> femoral vein ------>external iliac vein
What forms each common iliac vein? The flow Posterior tibial vein ---- popliteal vein ----> femoral vein ------>external iliac vein
Which blood vessel drains the right ovary in females and right testicle in males?
Which blood vessel drains the right ovary in females and right testicle in males?
Which blood vessel drains the digestive organs and travels through the liver before it enters systemic circulation?
Which blood vessel drains the digestive organs and travels through the liver before it enters systemic circulation?
Which blood vessels drain the kidneys?
Which blood vessels drain the kidneys?
Which blood vessel drains the digestive organs and passes through the liver before entering systemic circulation?
Which blood vessel drains the digestive organs and passes through the liver before entering systemic circulation?
Which arteries supply most of the cerebrum?
Which arteries supply most of the cerebrum?
Which arteries serve the brain stem and cerebellum?
Which arteries serve the brain stem and cerebellum?
Which arteries join once within the skull to form the basilar artery?
Which arteries join once within the skull to form the basilar artery?
Which arteries supply the posterior cerebrum?
Which arteries supply the posterior cerebrum?
What is the formation of the posterior cerebral arteries?
What is the formation of the posterior cerebral arteries?
What is the main function of the basilar artery?
What is the main function of the basilar artery?
Which blood vessels are united by small communicating arterial branches to form the circle of Willis?
Which blood vessels are united by small communicating arterial branches to form the circle of Willis?
What is the complete circle of connecting blood vessels called?
What is the complete circle of connecting blood vessels called?
What is the function of the circle of Willis?
What is the function of the circle of Willis?
Which blood vessels form the hepatic portal circulation?
Which blood vessels form the hepatic portal circulation?
Where does the hepatic portal vein carry the blood?
Where does the hepatic portal vein carry the blood?
What organs are drained by the hepatic portal circulation?
What organs are drained by the hepatic portal circulation?
Which blood vessel carries blood to the liver for processing before returning to systemic circulation?
Which blood vessel carries blood to the liver for processing before returning to systemic circulation?
What is the function of the hepatic portal vein?
What is the function of the hepatic portal vein?
Where does the hepatic portal vein carry blood to?
Where does the hepatic portal vein carry blood to?
Which blood vessels carry carbon dioxide and debris-laden blood from the fetus to the placenta?
Which blood vessels carry carbon dioxide and debris-laden blood from the fetus to the placenta?
Where does the fetus receive exchanges of gases, nutrients, and wastes?
Where does the fetus receive exchanges of gases, nutrients, and wastes?
Which vessel carries blood rich in nutrients and oxygen to the fetus?
Which vessel carries blood rich in nutrients and oxygen to the fetus?
Which blood vessel connects the aorta and pulmonary trunk in fetal circulation?
Which blood vessel connects the aorta and pulmonary trunk in fetal circulation?
Which blood vessel bypasses the liver in fetal circulation?
Which blood vessel bypasses the liver in fetal circulation?
Which structure allows blood to be shunted directly from the right atrium to the left atrium in fetal circulation?
Which structure allows blood to be shunted directly from the right atrium to the left atrium in fetal circulation?
Which of the following best describes arterial pulse?
Which of the following best describes arterial pulse?
Where is pulse typically monitored?
Where is pulse typically monitored?
What is the average pulse rate at rest in a healthy person?
What is the average pulse rate at rest in a healthy person?
Which of the following best describes blood pressure?
Which of the following best describes blood pressure?
What is the function of blood pressure?
What is the function of blood pressure?
What is the force that causes blood to continue flowing in the blood vessels?
What is the force that causes blood to continue flowing in the blood vessels?
Which blood vessels have the lowest pressure?
Which blood vessels have the lowest pressure?
What is the force that causes blood to flow in the blood vessels?
What is the force that causes blood to flow in the blood vessels?
Where is the pressure highest in the blood vessels?
Where is the pressure highest in the blood vessels?
Which of the following best describes systolic pressure?
Which of the following best describes systolic pressure?
What is diastolic pressure?
What is diastolic pressure?
How is blood pressure expressed?
How is blood pressure expressed?
Which factor affects blood pressure by increasing or decreasing the amount of friction blood encounters as it flows through vessels?
Which factor affects blood pressure by increasing or decreasing the amount of friction blood encounters as it flows through vessels?
What does CO represent in the equation for blood pressure?
What does CO represent in the equation for blood pressure?
What is the formula for calculating blood pressure?
What is the formula for calculating blood pressure?
Which division of the nervous system promotes narrowing of blood vessels?
Which division of the nervous system promotes narrowing of blood vessels?
What effect does vasoconstriction have on blood pressure?
What effect does vasoconstriction have on blood pressure?
Which are some factors that can effect blood pressure?
Which are some factors that can effect blood pressure?
What is the commonly believed effect of a diet low in salt, saturated fats, and cholesterol?
What is the commonly believed effect of a diet low in salt, saturated fats, and cholesterol?
What is the commonly believed relationship between diet and hypertension?
What is the commonly believed relationship between diet and hypertension?
Chemicals are substances that can cause increases or decreases in blood pressure, what is an example of this?
Chemicals are substances that can cause increases or decreases in blood pressure, what is an example of this?
What effect does epinephrine have on blood pressure?
What effect does epinephrine have on blood pressure?
Which of the following has a vasodilating effect?
Which of the following has a vasodilating effect?
Which of the following has a vasoconstricting effect?
Which of the following has a vasoconstricting effect?
What effect does heat have on blood vessels?
What effect does heat have on blood vessels?
Which effect does heat have on blood vessels?
Which effect does heat have on blood vessels?
Which effect does cold have on blood vessels?
Which effect does cold have on blood vessels?
What is the term for the widening of blood vessels?
What is the term for the widening of blood vessels?