Learning Outcomes Flashcards
Describe the structural components of the different types of blood vessels in order to explain the functional role of each vessel in the vascular tree
Apply the underlying factors of capillary exchange to describe how capillaries regulate the exchange of nutrients and wastes
Discuss the control of mean arterial pressure and explain why it is such a highly controlled variable
Understand the importance of venous return in its contribution to cardiac output and mean arterial pressure
Describe how a pressure gradient, resistance, and blood vessel radius affect blood flow
Use Poiseuille’s law to discuss the determinants of blood flow
Describe the function of the structural elements that can be found in blood vessel walls
Describe the primary function of the arteries
Describe the systolic and diastolic pressures and the concept of mean arterial pressure
Explain how blood pressure is measured using a sphygmomanometer and stethoscope
Graph the pressure changes across the vascular tree
Explain how arteriolar radius can changed and what impact this would have on blood flow
Describe the intrinsic and extrinsic controls that affect arteriolar radius
Describe the hormonal controls that affect arteriolar radius
Describe the concept of total peripheral resistance and discuss how intrinsic, extrinsic, and hormonal control of arteriolar radius work together to impact total peripheral resistance
Explain how arteriolar radius can change and what impact this would have on blood flow
Describe the intrinsic and extrinsic controls that affect arteriolar radius
Describe the hormonal controls that affect arteriolar raidus
Describe the concept of total peripheral resistance and discuss how intrinsic, extrinsic, and hormonal control of arteriolar radius work together to impact total peripheral resistance
Describe the characteristics that make capillaries an optimal site for exchange
Define capillary hydrostatic and osmotic pressures, interstitial fluid hydrostatic pressure, and interstitial osmotic pressure
Describe how these pressures interact along the length of the capillary in order to promote bulk flow
Describe the need for the lymphatic system
Describe the anatomical link between the lymphatic system and the capillaries
Describe how the initial lymphatics function
Describe how one might acquire the increase in interstitial fluid known as oedema.
Describe the primary roles of the venous system
Discuss the concept of venous return and why it’s important to heart function
Describe the factors that affect venous return
Integrate ideas from the heart and the circulatory system to describe the determinants of mean arterial pressure
Describe how mean arterial pressure is sensed and identify the reflex response that would occur when stimulating these pressure sensors
Differentiate between primary and secondary hypertension