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Questions and Answers
What is the order of blood flow starting from the aorta?
What is the order of blood flow starting from the aorta?
- Venules, capillaries, veins
- Arterioles, capillaries, venules
- Arteries, arterioles, capillaries (correct)
- Veins, arteries, arterioles
Why do arteries and arterioles have thicker walls compared to veins?
Why do arteries and arterioles have thicker walls compared to veins?
- To allow for easier blood flow
- To create more space for blood
- Due to higher pressure from pumped blood (correct)
- To lower the blood pressure
What are vasa vasorum responsible for?
What are vasa vasorum responsible for?
- Stopping backflow in veins
- Stopping backflow in arteries
- Supplying nutrients to large blood vessels (correct)
- Supplying nutrients to small blood vessels
What is the function of nervi vasorum?
What is the function of nervi vasorum?
Which layer of a blood vessel contains muscles for vasoconstriction and vasodilation?
Which layer of a blood vessel contains muscles for vasoconstriction and vasodilation?
What is the function of the external elastic membrane in blood vessels?
What is the function of the external elastic membrane in blood vessels?
What is the main factor that affects blood pressure the quickest and most noticeably?
What is the main factor that affects blood pressure the quickest and most noticeably?
Where in the circulatory system is the most noticeable slowdown of blood flow?
Where in the circulatory system is the most noticeable slowdown of blood flow?
Which hormone is released by the kidneys in response to decreased blood volume and signals water reabsorption to maintain fluid volume and blood pressure?
Which hormone is released by the kidneys in response to decreased blood volume and signals water reabsorption to maintain fluid volume and blood pressure?
What molecule is responsible for allowing fluid to move from tissues to capillaries due to osmotic pressure?
What molecule is responsible for allowing fluid to move from tissues to capillaries due to osmotic pressure?
What happens during filtration in the capillaries?
What happens during filtration in the capillaries?
What regulates vascular homeostasis through control of vascular tone in the tunica media?
What regulates vascular homeostasis through control of vascular tone in the tunica media?
What is the function of the precapillary sphincters?
What is the function of the precapillary sphincters?
What hormone stimulates hematopoiesis, leading to an increase in blood volume, viscosity, and pressure?
What hormone stimulates hematopoiesis, leading to an increase in blood volume, viscosity, and pressure?
Which type of capillary is associated with being part of the blood-brain barrier?
Which type of capillary is associated with being part of the blood-brain barrier?
What is the main cause of hypovolemic shock?
What is the main cause of hypovolemic shock?
What is the primary function of veins in the circulatory system?
What is the primary function of veins in the circulatory system?
Which pump function helps counteract gravity and improve blood flow especially in the legs?
Which pump function helps counteract gravity and improve blood flow especially in the legs?
What is the main difference between elastic arteries and muscular arteries?
What is the main difference between elastic arteries and muscular arteries?
Which enzyme converts angiotensin 1 into angiotensin 2?
Which enzyme converts angiotensin 1 into angiotensin 2?
Which measure is an indicator of ventricular contraction in the cardiovascular system?
Which measure is an indicator of ventricular contraction in the cardiovascular system?
What is the term for a condition characterized by insufficient blood flow and often accompanied by hypoxia?
What is the term for a condition characterized by insufficient blood flow and often accompanied by hypoxia?
What is the function of the metarteriole in the circulatory system?
What is the function of the metarteriole in the circulatory system?
Which factor has a direct impact on vascular resistance in the circulatory system?
Which factor has a direct impact on vascular resistance in the circulatory system?
What is the formula to calculate Mean Arterial Pressure (MAP)?
What is the formula to calculate Mean Arterial Pressure (MAP)?
What is the role of compliance in maintaining normal blood pressure?
What is the role of compliance in maintaining normal blood pressure?
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