1Drug exposure is a stressor for cells aTrue bFalse 2Which o

1-Drug exposure is a stressor for cells.

a.True      
b.False

2-Which of the following events can lead to hypoxia?      
a.respiratory failure      
b.CO poisoning      
c.blocked artery      
d.none of these
e.all of these

3-The type of adaptation that is very common in smokers and could lead to cancer is called:      
a.metaplasia      
b.aplasia      
c.hypoplasia
d.hyperplasia
e.dysplasia

Solution

True -----1

All of the above ----2

Hypoplasia----3

Hypoplasia leads to low number of cells in lungtissues which is due to apoptosis stress in smokers.