A mass of undissolved matter circulating in blood or lymphatic channels until it becomes lodged in a vessel is called a(n)
A) clot.
B) embolus.
C) thrombus.
D) coagulant.
E) occlusion.

Question

Quizplus · Accepted Answer

An embolus is a mass of undissolved matter that circulates in blood or lymphatic channels until it becomes lodged in a vessel, causing an obstruction or blockage. Clot (A) and thrombus (C) are terms usually used to describe a mass that has already become attached to a vessel wall. Coagulant (D) refers to substances that promote blood clotting, while occlusion (E) is a general term for any blockage or obstruction, which may or may not be caused by an embolus.

A Mass of Undissolved Matter Circulating in Blood or Lymphatic