Match the following forces with their corresponding effect on fluid movement: Interstitial oncotic pressure | Pulls fluid into the capillary, Capillary hydrostatic pressure | Pushe... Match the following forces with their corresponding effect on fluid movement: Interstitial oncotic pressure | Pulls fluid into the capillary, Capillary hydrostatic pressure | Pushes fluid into the capillary, Capillary oncotic pressure | Pulls fluid out of the capillary, Interstitial hydrostatic pressure | Pushes fluid out of the capillary.
Understand the Problem
The question is asking to match different types of pressures that influence fluid movement in the cardiovascular system with their specific effects, particularly whether they pull or push fluid in or out of the capillaries.
Answer
Capillary hydrostatic pressure pushes out; interstitial oncotic pressure pulls in; capillary oncotic pressure pulls in; interstitial hydrostatic pressure pushes in.
Capillary hydrostatic pressure pushes fluid out of the capillary, interstitial oncotic pressure pulls fluid into the capillary, capillary oncotic pressure pulls fluid into the capillary, and interstitial hydrostatic pressure pushes fluid into the capillary.
Answer for screen readers
Capillary hydrostatic pressure pushes fluid out of the capillary, interstitial oncotic pressure pulls fluid into the capillary, capillary oncotic pressure pulls fluid into the capillary, and interstitial hydrostatic pressure pushes fluid into the capillary.
More Information
The movement of fluids across capillary walls is influenced by the balance of hydrostatic and oncotic pressures both in the capillaries and the interstitial space.
Tips
A common mistake is confusing the direction of forces, as hydrostatic pressure generally pushes fluid outward while oncotic pressure pulls fluid inward.
Sources
- Capillary Exchange | Anatomy and Physiology II - Lumen Learning - courses.lumenlearning.com
- Fluid Movement Across the Endothelial Barrier - Capillary ... - NCBI - ncbi.nlm.nih.gov
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