Podcast
Questions and Answers
What is the function of the skeletal muscle pump in the venous system?
What is the function of the skeletal muscle pump in the venous system?
- To put pressure on veins to force blood back toward the heart (correct)
- To decrease pressure in veins and increase flow
- To constrict veins and capillaries
- To increase resistance in veins and decrease flow
Which of the following is true about vasoconstriction?
Which of the following is true about vasoconstriction?
- Increases pressure and resistance in an artery, but decreases flow (correct)
- Has no effect on pressure or flow in an artery
- Increases flow without affecting pressure in an artery
- Decreases pressure in an artery and increases flow
How does bulk flow contribute to capillary exchange?
How does bulk flow contribute to capillary exchange?
- Pushes fluid out of capillaries and into tissues (correct)
- Pulls fluid from tissues into capillaries
- Has no impact on capillary exchange
- Prevents any fluid exchange between capillaries and tissues
What is the approximate amount of fluid that gets reabsorbed back into capillaries daily?
What is the approximate amount of fluid that gets reabsorbed back into capillaries daily?
Which hormone targets the kidneys to reabsorb water, increasing blood volume and pressure?
Which hormone targets the kidneys to reabsorb water, increasing blood volume and pressure?
What is a function of the Renin-Angiotensin-Aldosterone Mechanism?
What is a function of the Renin-Angiotensin-Aldosterone Mechanism?
Which condition is characterized by chronic high blood pressure that may lead to various health issues?
Which condition is characterized by chronic high blood pressure that may lead to various health issues?
What is the primary cause of Hypovolemic Shock?
What is the primary cause of Hypovolemic Shock?
How does exercise affect LDL cholesterol levels according to the text?
How does exercise affect LDL cholesterol levels according to the text?
What is a potential outcome of circulatory shock?
What is a potential outcome of circulatory shock?
What is the function of vasa vasorum?
What is the function of vasa vasorum?
Which layer of a blood vessel is innervated by nervi vasorum and controlled by hormones and local chemicals?
Which layer of a blood vessel is innervated by nervi vasorum and controlled by hormones and local chemicals?
In a capillary bed, what is the function of a precapillary sphincter?
In a capillary bed, what is the function of a precapillary sphincter?
Which type of capillary is permeable to larger molecules due to its pores?
Which type of capillary is permeable to larger molecules due to its pores?
What is the primary function of venules?
What is the primary function of venules?
What component of blood pressure represents the pressure during ventricular relaxation?
What component of blood pressure represents the pressure during ventricular relaxation?
How would an increase in vessel radius affect resistance, blood flow, and pressure?
How would an increase in vessel radius affect resistance, blood flow, and pressure?
What does a lower blood volume (hypovolemia) lead to in terms of blood pressure?
What does a lower blood volume (hypovolemia) lead to in terms of blood pressure?
What is the role of the external elastic membrane in arteries?
What is the role of the external elastic membrane in arteries?
What is the average force driving blood into the vessels calculated as diastolic BP + (systolic-diastolic BP) / 3?
What is the average force driving blood into the vessels calculated as diastolic BP + (systolic-diastolic BP) / 3?
