Routes of exposure for asbestos: - Answer-1. Ingestion
2. skin contact/absorption
3. Inhalation (major source)
Materials can be _________. - Answer--transported out or destroyed
For asbestos, exclusion and transport from the lungs are the primary means of protection. (T/F) - Answer-True
...
NREM 488 Exam 2 (Asbestos) Questions
and Answers
Routes of exposure for asbestos: - Answer-1. Ingestion
2. skin contact/absorption
3. Inhalation (major source)
Materials can be _________. - Answer--transported out or destroyed
For asbestos, exclusion and transport from the lungs are the primary means of
protection. (T/F) - Answer-True
The body destroys asbestos very slowly (T/F) - Answer-True
Defensive Structures:
1. Nose - particles to ___ um
2.Nasal passages and throat: partiles to ___ um
3. Upper Lungs: the bronchi: particles to __ um
4. Lower Lungs: have ____ - Answer-1. 100 um
2. 10
3. 1
4. Alveoli
- is a large white blood cell found in primary blood stream and connective tissue --->
helps body fight infection by ingesting disease containing organism - Answer-
Macrophage
Other major internal structures:
1. Mesothelium
2. Pleural Cavity
3. Peritoneal Cavity - Answer-1. Mesothelial tissue
2. Membrane that wraps around lungs
3. Lines entire center of torso
-is an asbestos related disease
-a scarring (fibrosis of the lung)
-Latency in asbestos installers: 15-30 yrs.
-Expected outcome: Irreversible - no cure - Answer-Asbestosis
-is an asbestos related disease
-bronchogenic carcinoma
-Latency: 20-30 yrs.
-a malignant tumor of the bronchi covering
-tumors grow, may obstruct air passages
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