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SPC APII Lab Circ

SPC APII Lab Systemic Circulation

QuestionAnswer
What is the size & function of Arteries? Large-medium-small; take blood away from heart
What is the size & function of Arterioles? Small-microscopic; take blood away from heart - change blood flow by change in diameter
What is the size & function of Capillaries? Microscopic; gas exchange (O2/CO2) - nutrient/waste exchange
What is the size & function of Venules? Microscopic-small; return blood toward heart
What is the size & function of Veins? Small-medium-large; return blood toward heart
What are the components of the Hepatic Portal System? Hepatic Portal V. < Liver < deO2 blood < Hepatic V's < Inferior vena cava < Heart < Abdominal A. < Proper hepatic A. < O2 blood < back to Liver where Hepatic Portal V. joins
In the Systemic Circulation, which large vessels are found in the upper body? Descending Aorta, Thoracic Aorta, Abdominal Aorta
In the Systemic Circulation, which large vessels are found in the upper extremities? Subclavian A. < Axillary A. < Brachial A. < bifurcates into Radial & Ulnar A's.
In the Systemic Circulation, which large vessel is found in the lower body? Abdominal Aorta
In the Systemic Circulation, which large vessels are found in the lower extremities? Abd. A. < bifurcates into R/L Common Iliac A. < bifurcates into Int. Ext. Iliac A's.; Ext. Iliac < Femoral A. < Popliteal A. < bifurcates into Ant. & Post. Tibial A.; Ant. Tib. A. < Dorsalis Pedis A.
What is the pathway of the lower extremity veins? Ant. & Post. Tibial V. merge to form Popliteal V. < Great Saphenous V. terminates in Femoral V. Cont as Ext. Iliac V. merges w/ Int. Iliac V < Common Iliac V then merges into IVC
Arterial flow TO the organs via: Abdomial Aorta, Hepatic A., R&L Renal A., Splenic A.
Venous return FROM the organs via: IVC, Hepatic V., R&L Renal V., Hepatic Portal V., Splenic A.
What affects blood pressure? Anything that affects HR or SV or Resistance will affect CO and ultimately BP
Created by: vgflgirl