Prevention of Infection

Q.

Question 9
What are antibiotics? What precautions must be taken while taking antibiotics?

Q.

Does PEP lower your immune system?

Q.

'Public cleanliness is important for individual health'. Which of the following is an example of this statement?

1. Collecting and cleaning of garbage cans on the street regularly helps to prevent the spread of diseases

2. Cutting nails regularly prevents dirt accumulation and infection in the nails

3. Brushing our teeth and taking bath keeps our body clean

4. Clean rooms in our houses are essential for healthy living

Q.

_______ is the lowest level of organization in the living world.

1. Organ

2. Cell

3. Tissue

4. Organism

Q.

Which of the following scientists created the first vaccines?

1. Louis Pasteur

2. Van Leeuwenhoek

3. Alexander Fleming

4. Edward Jenner

Q.

Washing the fruits and vegetables before eating is done to prevent the contamination of fruits with germs. Thus it is a ___________

1. First aid

2. Corrective measure

3. Preventive measure

4. Cooking method

Q.

List a few diseases that are prevented by vaccination. [3 MARKS]

Q.

Give two examples of vaccines.

Q.

___ is used to build your immunity against certain diseases.

1. Antiseptics

2. Antibiotic

3. Vaccine

4. Analgesic

Q.

Match the following diseases with their vectors.

$\begin{array}{cc}\text{Disease}& \text{Vector}\\ \text{a) Malaria}& \text{i) Flea}\\ \text{b) Dengue}& \text{ii) Tse-tse fly}\\ \text{c) Sleeping sickness}& \text{iii) Aedes mosquito}\\ \text{d) Plague}& \text{iv) Anopheles mosquito}\end{array}$

1. a-iii, b-ii, c-iv, d-i

2. a-iv, b-iii, c-ii, d-i

3. a-iv, b-ii, c-iii, d-i

4. a-ii, b-iii, c-i, d-iv

Q.

___ is used to provide immunity against certain diseases.

1. Vaccine

2. Antidote

3. Analgesic

4. Antidepressant

Q. BCG vaccine provides immunity against
(a) Tetanus
(b) Cholera
(c) Tuberculosis
(d) AIDS

Q.

How does the body defend against invasion?

Q.

The medicines which stop the growth of disease-causing microorganisms are known as:

1. Antibiotics

2. Vitamins

3. Antibodies

4. Microbidonts

Q.

Vaccination is the _______ way of giving protection against infections from a particular organism.

1. Artificial

2. Superficial

3. Supernatural

4. Natural

Q.

Natural immunity means ___.

1. Protection by means of physical barrier such as skin.

2. Protection by certain chemicals

3. Protection by antibiotics

4. Protection by white blood cells.

Q.

Organisms that are carriers of specific disease-causing germs, but they themselves don't cause any diseases, are called _______ .

1. vectors
2. virus
3. pathogens
4. germs

Q. ___ are used by the immune system to fight and kill the disease causing pathogens.

1. Antigens
2. Antidote
3. Antibodies
4. Anesthesia