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On average, each cigarette shortens a smoker’s life by around ……….
a) 4 minutes                
b) 8 minutes
c) 11 minutes              
d) 17 minutes

c

On average each cigarette reduces life expectancy by ……….years.
a) 3 to 4 years              
b) 5 to 6 years
c)  7 to 8 years            
d) 9 to 11 years

c

Which one of the following can results in increasing blood cholesterol level?
a) Tar                          
b) Nicotine
c) Carbon dioxide         
d) Carbon monoxide

b

Cigarettes contain more than……..chemical compounds and at least ………toxic substances.
a) 40 , 400                   
b) 400, 4000
c) 4000, 40                  
d) 4000,4000

c

An average adult human body has about ………..of blood.
a) four liters                 
b) five liters
c) six liters                   
d) seven liters

b

What could be one of the possible health risk associated with smoking.
a) production of red blood cells decreases
b) brain cell degrade at a fast rate
c) hardening and narrowing of arteries accelerate
d) all of the above

c