^{Medical word elements:}

phleb/o

• muscle

• septum

• vein

• pulse

^{Medical word elements:}

thromb/o

• red blood cell

• blood clot

• ventricle

• white blood cell

^Suffixes:

asphyxia

• destruction of blood clot

• whithout a pulse

• pertainig to heart muscle

^Prefixes:

Choose the incorrect option

• brady = slow

• extra = outside

• tachy = across

• peri = around

^{Key term:}

^{Tubular space of channel within any organ or structure of the body.}

• lumen

• leaflet

• sphincter

^{Key term:}

^{Backflow or ejecting of contents through an opening}

• viscosity

• stenotic

• braycardia

• regurgitation

^{Diagnostic and symptomic terms:}

narrowing of a vessel, especialy the aorta

• coarctation

• angena

• aortostenosis

• stent

Which layer is composed of smooth muscle?

• tunica externa

• tunica media

• tunica intima

• basement membrance

Function of ven valves:

• join the arterial system with the venous system

• provides strength and flexibility.

• prevent the backflow of blood.

• provide a smooth surface

Arterial blood contains a high concentration of the oxygen and appears ........... in color

• purple

• dark red

• bright red

• orange