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11-11-11. Physiology today: Lymphatics, Veins, & Hemorrhage Physiology next week: EKG and blood pressure lab Respiratory Physiology Chapter. Heart in a Box 1 YouTube. Heart in a Box 2 You Tube. 1QQ # 26 for 8:30.

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11 11 11

11-11-11

Physiology today: Lymphatics, Veins, & Hemorrhage

Physiology next week: EKG and blood pressure labRespiratory Physiology Chapter

Heart in a Box 1 YouTube

Heart in a Box 2 You Tube


1qq 26 for 8 30

1QQ # 26 for 8:30

  • Suppose an arteriole was clamped shut? How would this alter the Starling forces in the capillaries downstream from this arteriole? How would this affect bulk flow in the capillaries?

  • Based on your knowledge of Starling forces, describe 3 changes that would increase capillary filtration.


1qq 26 for 8 301

1QQ # 26 for 8:30

  • Suppose an arteriole dilates. How would this alter the Starling forces in the capillaries downstream from this arteriole? How would bulk flow be affected?

  • Based on your knowledge of Starling forces, describe 3 changes that would decrease capillary filtration.


Figure 12 47

S 1

Figure 12.47

Fate of 4 L/d excess filtrate

Liver &

Bone Marrow& Spleen

Mode of propulsion?


Figure 12 44

S 2

Figure 12.44

Veins areCapacitance vessels(high compliance)with valves for unidirectional flow

Arteries are low compliance, so any increase in volume increases pressure.


Fig 12 53

S 3

Fig. 12.53

MAP = CO x TPR

Negative feedback control:stimulus, receptors, afferent pathway(s), integrator, efferent pathway(s), effector(s)response(s)


Fig 12 54

S 4

Fig. 12.54

What happens to the set point for MAP during exercise?


Story time

Story Time

S 5

A Neuroscientist in New Orleans


Map co x tpr

S 2

MAP = CO x TPR

MAP = (HR x SV) x TPR

Mean Arterial Pressure = Cardiac Output x Total Peripheral Resistance


Test 3 hemorrhage diagram

S 6

Test 3 Hemorrhage Diagram

One the back side of this page, create a diagram for the following. Your response must be confined to the reverse side of this page and you must write legibly. Your response will count 15-20% of the grade on Test 3 and should require no more than ten minutes to complete at the beginning of the test.

Beginning with a loss of about 1 liter of blood from a vein, diagram the early events associated with hemorrhage and the negative feedback responses to hemorrhage in a well-organized diagram. Write legibly! Completeness, accuracy, and detail, together with the proper sequence earn maximal points.

The following abbreviations can be used: AI, AII, JGA, mAChR, Hct, Q, SV, EF, RBC, HR, EDV, ACh, ANH, ADH, CO, TPR, EPO, VR, MAP, EPI, NE, SAN, aAdR , bAdR, Symp (sympathetic), Parasymp (parasympathetic), PV, r (radius), Pc, fAP (frequency of action potentials.) Any other abbreviations must be defined. "If in doubt, write it out!" Use single headed arrows (→) to indicate sequential relationships and doubled-stemmed arrows to indicate increases or decreases.


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