Adaptive Immunity

Q. Name the type of immunity the colostrum provides to a new born baby. Write giving an example where this type of immunity should be provided to a person. [2]

Q.

Write a short note on vaccination.

Q.

_{Why alpha interferon} is given to a cancer affecting patients? What is its importance?

Q. Assertion: Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host.

Reason: A bone marrow transplant given to a patient with genetic immunodeficiency is an example of artificially acquired passive immunity.

1. If both assertion and reason are true and reason is the correct explanation of assertion
2. If both assertion and reason are true but reason is not the correct explanation of assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false

Q. Which of the following is true for acquired immunity

1. Our immune system remembers each and every immunological encounter in our body.
2. Can discriminate self and non-self cells
3. All of the above
4. Acquired immunity is pathogen-specific.

Q. Name a recombinant vaccine which is currently used in vaccination program ?

Q.

A person was saved from poisonous snake bite by antivenom injection. Which of the following immunity explains this form of protection?

1. Naturally acquired active immunity

2. Artificially acquired active immunity

3. Naturally acquired passive immunity

4. Artificially acquired passive immunity

Q. A person who met with road accident is likely to develop tetanus. So, he is immunised by administering

1. Weakened germs
2. Dead germs
3. Wide spectrum antibiotics
4. Preformed antibodies

Q. Name the disease against which DPT vaccine develops immunity ?

Q.

What are cytotoxic T-Cells involved in?

Q.

How does vaccination help in the development of immunity?

Q. If immunoglobulin IgG was papain digested, which of the following parts of it can not be observed in the screening
I. Fab
II. Fc
III. F(ab)${}_2$

1. I and II
2. II and III
3. III only
4. II only

Q.

Triple antigen DPT is a

1. Vaccine against malaria, typhoid and cancer

2. The vaccine of a mixture of viruses that causes tetanus, diphtheria and typhoid

3. Vaccine against polio, rabies and hepatitis

4. Vaccine against diphtheria, pertussis and tetanus

Q. Vaccination protects a person from disease because it:

1. Helps in better digestion
2. Increases RBC count
3. Produces antibodies
4. Correct body heating system

Q. (a) How does the human body respond when vaccine is introduced into it?

(b) It is said that vaccinations are a must for a healthy society. Justify. [3 Marks]

Q.

What is vaccination?

Q. Which of the following properties of acquired immunity is the basis of vaccination?

Q.

Expand DPT.

Q. Which type of Immunity is responsible for graft Rejection?

1. T-Lymphocytes Mediated
2. Humoral immunity
3. B-Lymphocytes Mediated
4. Innate immunity

Q. Differentiate between innate immunity and acquired immunity.

Q. Following are the types of immunoglobulin and their functions. Which one of the following is incorrectly paired?

1. IgD : Viral pathogen
2. IgG : Phagocytosis
3. IgE : Allergic reaction
4. IgM : Complement fixation

Q. Which of the following immunoglobulins does constitute the largest percentage in human milk ?

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

Q. Match the term given under column I with the meanings given under column II. indicate the correct choice.

Q.

Differentiate between vaccination and immunization.

Q. A person who recovers from measles, for example, is protected for life against measles by the adaptive immune system.

1. False
2. True

Q. Hyper variability regions of immunoglobulin are present in

1. Light chain only
2. Heavy and light chains
3. Heavy chain only
4. Dark chain only

Q. Useful vaccination for protection from pertussis, diphtheria and tetanus.

1. MMR
2. DPT
3. BCG
4. STD

Q. A person who recovers from measles, for example, is protected for life against measles by the adaptive immune system.

1. True
2. False

Q.

Our immune system is organised into innate and ___ immunity.

Q. Mention the three characteristics of acquired immunity.