Unit 1.6 - Embolism

Question 1

the process whereby detached intravascular foreign matter is carried by the blood stream to lodge at a site distant to its point of origin. These masses move in the blood stream until they reach a vessel whose diameter is too small to traverse

Answer 1

embolism

Question 2

Where do most emboli occur?

Answer 2

arterial system

Question 3

What are the three types of emboli?

Answer 3

solid, liquid, gas

Question 4

pieces of thrombi, tumor cells, pus, parasites, bacterial colonies, intervertebral disk material, malignant tumors

Answer 4

solid emboli

Question 5

fat from bone marrow

Answer 5

liquid emboli

Question 6

nitrogen, air

Answer 6

gas emboli

Question 7

If the embolus arises in a veign other than the abdominal viscera, where will it end up?

Answer 7

lung capillary bed

Question 8

If the embolus arises in an artery or in the heart, where will it lodge?

Answer 8

distant vascular periphery

Question 9

If the embolus arises in a vein of the abdominal viscera, where will it lodge?

Answer 9

liver sinusoids

Question 10

If an embolus arises from an arteriovenous sent - especially in the lungs, what will happen?

Answer 10

may allow emboli to by-pass the usual capillary bed

Question 11

If an embolus arises from heart anomalies like septal defects, what may happen?

Answer 11

by-pass of lungs

Question 12

What is the name for an embolus that by-passes the lungs?

Answer 12

paradoxical embolus

Question 13

What is the most common source of solid emboli?

Answer 13

fragments from thrombi