Available Answers

1. 1.

   Fill in the blanks.

   1. Any physical or functional change from a normal state that causes discomfort or disability or affects the health of a person can be called a ________________.
   2. Chikungunya spreads through the bite of an infected ___________ mosquito.
   3. ____________ mosquito is a vector of a worm that causes filariasis.
   4. The natural resistance against a disease is called ____________.
   5. A _____________ stimulates the immune system of the body to protect it from subsequent infections in the future.
   6. Chewing ______________ can lead to oral cancer (cancer of mouth and throat).
   7. A __________________ is an injury to tissues under the skin, which causes blue and black marks.  
2. 2.

   Define disease.
    

3. 3.

   State if the following statements are true or false. Correct the statements if it is false.

   1. Health is a state of complete physical, mental and social well-being and not merely an absence of disease or infirmity.
   2. Mosquitoes, houseflies, ticks, mites as well as mammals such as rats and dogs are germs that spread dangerous infections.
   3. Infectious agents may spread through air, water, physical contact or vectors.
   4. BCG vaccine is given to protect against dengue.
   5. Ringworm is a skin disease caused by a fungus.
4. 4.

   Circle the odd one out. Give reasons for your choice.
   1. yellow fever, chikungunya, malaria, dengue
   2. AIDS, chickenpox, dengue, rabies
   3. platelets, skin, white blood cells, mucus

5. 5.

   Differentiate between communicable and non-communicable diseases.

6. 6.

   Differentiate between first degree (superficial) burn and second (serious) burn.