Passive Immunity

Q.

Passive immunity is defined as immunity

1. Achieved through vaccination

2. Achieved through the serum of other animals enriched in antibodies

3. Inherited from the parents

4. Acquired through first exposure to the disease

Q.

Which of the following is true regarding passive immunity?

1. It is not developed directly in the individual

2. It has to be transferred from immune to non-immune individual

3. It is due to direct exposure to the pathogen by the individual

4. None of the above

Q. The yellowish fluid, colostrum, is rich in:

1. IgM
2. IgA
3. IgE
4. IgG

Q. The yellowish fluid "colostrum" secreted by mammary glands of mother during the initial days of lactation has abundant antibodies (IgA) to protect the infant. This type of immunity is called as:

1. Passive immunity
2. Autoimmunity
3. Acquired immunity
4. Active immunity

Q. Short lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as :

1. Active immunity
2. Passive immunity
3. Cellular immunity
4. Innate non-specific immunity

Q.

How does our immune system protect us from diseases?