Question

Name the following : <!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> [Review Questions - Pg No.81 - SAQ - 2]

1. A viral disease caused due to sexual contact with an infected person
2. A disease caused due to Plasmodium
3. A disease caused by the bite of female Anopheles mosquito
4. Two viral diseases caused by mosquito bites.
5. Any droplet - borne disease.

Answer 1

Answer 1

• AIDS - is a Medical condition immune system is too weak to fight infections.
• HIV is a virus that attacks cells that help the body fight infection
• There is no cure but treatable with medicine

2

• Malaria is caused by a protozoan plasmodium which enters the human body through the bite of a female anopheles mosquito.
• Only the female mosquito gives people malaria, because only the female mosquito consumes blood.
• The male mosquito lives on the nectar of flowers. The female uses blood as a source of protein for its eggs.
• Prevention of Malaria can be done by protection against Mosquito bires.

3

Malaria - Malaria a disease caused by the bite of female Anopheles mosquito.

1. Malaria is caused by a one-celled parasite called a Plasmodium.
2. Female Anopheles mosquitoes pick up the parasite from infected people when they bite to obtain blood needed to nurture their eggs.
3. Inside the mosquito the parasites reproduce and develop.
4. The female mosquito lays 30-150 eggs every 2-3 days. Usually it takes about a week for the eggs to develop into adults.

4

Dengu and Chikungunya rwo viral diseases caused bt mosquito bites

Dengu:

1. Dengue fever is a mosquito-borne tropical disease caused by the dengue virus.
2. Symptoms typically begin three to fourteen days after infection.
3. These may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin rash.
4. Other names: Dengue, breakbone fever. Causes: Dengue virus by Aedes mosquitos

Chikungunya:

1. ChikungChikungunya disease does not often result in death, but the symptoms can be severe and disabling.
2. Most patients feel better within a week. In some people, the joint pain may persist for months.
3. Once a person has been infected, he or she is likely to be protected from future infections.

5

• Finally we concluded that droplet - borne diseases are Amoebiasis, cholera and Hepatitis A.

Amoebiasis Prevention steps:

1. Stick to bottled water and soft drinks.
2. If you must drink water, boil it or treat it with iodine.
3. Avoid ice cubes or fountain drinks

Cholera Prevention steps:

1. Washing your face and hands
2. Washing dishes and utensils that you use to eat or prepare food
3. Washing fruits and vegetables

Hepatitis A Prevention steps:

1. Drink bottled water rather than local water in developing countries, or in countries where there is a high risk of contracting hepatitis A
2. Avoid eating peeled or raw fruit and vegetables in an area with low sanitation or hygienic standards