Circulatory Pre-exam assignment

Capillary beds have precapillary sphincters at the junction of capillaries and the metarteriole.

sphincters

Capillary beds have precapillary_________ at the junction of capillaries and the metarteriole.

sphincters

Correctly label the following anatomical features of capillary fluid exchange.

1 - filtration process 2 - transcytosis 3 - diffusion through endothelial cells 4 - Intercellulaar clefs

This is the physical force exerted by a ______ against a surface like a capillary wall.

liquid

Blood flow is ________ according to metabolic needs.

redirected

Constriction of these sphincters ______ the blood flow through their respective capillaries.

reduces

This shift in fluid balance at the arterial end is referred to as ______ pressure.

hydrostatic

Most of the redirection will occur in the _______

arterioles.

Veins

covergence relatively large lumen contains valves relatively large diameter superficial locations sites used for blood donation

Arteries

divergence thicker walls thicker layers of smooth muscle Purfuse elastic fibers in the tunica media

When this occurs, blood is _______to tissue or organs elsewhere.

diverted

When the sphincters are open, blood will _____ the capillary bed.

fill

During exercise, the skeletal muscles receive _____ blood flow.

more

Typically, fluid filters ____ the arterial end of a capillary.

out

Fluid will then osmotically reenter at the _____ end.

venous

This fluid delivers materials to the cells and removes its ____

waste.

Increases flow

increasing vessel radius

After a meal, the ______ receive priority, and the skeletal muscles receive very little flow.

intestines