which of the following is a communicable diseases ?
A. Diabetes
B. Chickenpox
C. Aizheimer's
D. Cancer
Answers
Answer : B) Chicken pox
Explanation :
Communicable diseases , also called infections diseases can be transferred from an infected person to a healthy person through contaminated air , food and water , physical contact , vectors , etc . These are caused by pathogens or microorganisms like bacteria , fungi , protozoa and viruses , etc .
Chicken pox is a viral disease caused by Vericella - zoster virus . This disease is characterized by itching and rashes on the skin . It can be transmitted from person to person by physical contact , use of the accessories of infected person , contaminated food and water .
Vaccines are used to prevent the occurrence of this disease . This disease mostly can only occur once in a lifetime because once the infection is done , the body becomes families to this infection .
The prevention from chicken pox can be done by isolation .
While the other three diseases - Diabetes (rise in blood sugar level ) , Aizheimer's disease (destruction of memory and other mental functions) and cancer ( abnormal increase in body cells) are all non - infections diseases that are not caused by pathogens and hence cannot be transferred from one person to another .
However , these three diseases are chronic and may also be fatal .
Answer:
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