Introduction to Immunity

Q. Which of the following are the reason(s) for Rheumatoid arthritis? Choose the correct option.

i.The ability to differentiate pathogens or foreign molecules from self cells increases

ii.Body attacks self cells

iii.More antibodies are produced in the body

iv.The ability to differentiate pathogens or foreign molecules from self cells is lost

1. ii and iv
2. i and ii
3. i and iii
   
4. iii and iv

Q. The overall ability of the host to fight the disease causing organisms, conferred by the immune system is called

1. Immunity
2. Autoimmunity
3. Both b and c
4. Allergy

Q.

Define inflammation.

Q. What does the term ‘memory' of the Immune system mean?

Q.

Formation of antibodies within our body is called:

1. Active immunity

2. Passive immunity

3. Acquired immunity

4. Innate immunity

Q. The immune system plays an important role in

a. Recognition of foreign antigens
b. Responds to antigens and remembers them
c. Allergic reactions
d. Auto-immune diseases
e. Organ transplantation

1. b, c and e
2. a, b, c and d
3. a, b, c, d and e
4. a and b only

Q. What is innate immunity? How many types of barriers are present in innate immunity write down their names.

Q. Immune response to first encounter with an antigen is called

1. Clonal selection
2. Primary immune response
3. Memory
4. Secondary immune response

Q.

Fill in the blank:

Meningitis is caused due to inflammation of __ in the brain and spinal cord.

Q. Assertion: Artificial passive immunity results when ready made antibodies produced outside the host are introduced into the body.
Reason: In case of snakebites, the injection given to the patient contains readymade antibodies to fight against the snake venom. It is an example of artificial passive immunity.

Q. Define immunity.

Q.

What do you mean by immunization?

Q.

Fill in the blank

Meningitis is caused due to inflammation of __ in the brain and spinal cord.

Q.

Choose the correct alternative.

A patient should be administered a vaccine named ___________ for the prevention of a bacterial disease caused by Salmonella typhi.

1. diacyl carbamazine

2. BCG

3. TAB

4. Hepatitis B

Q. Withdrawal of tobacco produces-

1. Restlessness, depression and anxiety
2. Increased appetite
3. Insomnia and impaired concentration
4. All of the above

Q. Who is called the father of immunology?

1. Robert Koch
2. Edward Jenner
3. Louis Pasteur
4. Iwanowsky

Q. What is immunization? List two diseases against which vaccines are available.

Q. Define immunity. Describe different ways to develop immunity. Write the differences between active and passive immunity.

Q. If a bacteria or virus reappears, the immune system will recognize them and act faster against them

1. True
2. False

Q. The cells of immune response are produced in

1. Spleen
2. Liver
3. Bone marrow
4. Lymph nodes

Q.

All encounters with pathogens necessarily lead to a state of disease.

1. True
2. False

Q.

Arteether is the latest drug for

1. Polio

2. Malaria

3. Diarrhoea

4. Common cold

Q.

Match the type of immunity listed in column I with the examples listed in column II. Choose the answer that gives the correct combination of matches.

Column I - Type of Immunity	Column II - Example
i. Natural active	p. Immunity developed by heredity
ii. Artificial passive	q. Transfer from mother to foetus via the placenta
iii. Artificial active	r. Injection of antiserum
iv. Natural passive	s. Fighting infections naturally
	t. Immunity induced by vaccination

1. i- s, ii – r, iii – t, iv – q
2. i- t, ii – s, iii – r, iv – p
3. i- p, ii – q, iii – r, iv – t
4. i- s, ii – t, iii – q, iv – r

Q.

Fill in the blank:

Meningitis is caused due to inflammation of __ in the brain and spinal cord.

Q. (i) What is immunity?
(ii) Write the difference between active immunity and passive immunity.
(iii) Explain passive immunization.
(iv) Draw the labeled diagram of the stages of life cycle of Plasmodium in mosquito host.

Q. According to ................. theory, the resistance of body decreases with the increase in age.

1. Immunity theory
2. Collagen theory
3. Both A and B
4. None of the above

Q. Select the correct statement regarding the specific disorder of muscular or skeletal system :

1. Muscular dystrophy-age related shortening of muscles
2. Osteoporosis-decrease in bone mass and higher chances of fractures with advancing age
3. Myasthenia gravis-auto immune disorder which inhibits sliding of myosin filaments
4. Gout-Inflammation of joints due to extra deposition of calcium

Q. Consider the following statements for the type of immunity provided by antitoxins. Select the incorrect one(s).
प्रतिआविष (एंटीटॉक्सिन) द्वारा प्रदान की जाने वाली प्रतिरक्षा के प्रकार के लिए निम्नलिखित कथनों पर विचार कीजिए। गलत कथन (कथनों) का चयन कीजिए।

1. It provides a pathogen specific immunity.
   यह रोगजनक विशिष्ट प्रतिरक्षा प्रदान करता है
2. Pre-formed antibodies are injected into the body.
   निष्पादित प्रतिरक्षियों को शरीर में इंजेक्ट किया जाता है
3. The same kind of immunity is provided through resistance induced by vaccines.
   इसी प्रकार की प्रतिरक्षा टीकों द्वारा प्रेरित प्रतिरोध द्वारा प्रदान की जाती है
4. The response produced is slow-acting.
   उत्पादित अनुक्रिया धीमी गति से होती है

Q. Which of the following statement is correct?

1. Vaccination is a technique to develop immunity in individuals by giving them antibiotics.
2. Tuberculosis, commonly called as T. B., is a viral disease common among poor people living in ill-ventilated congested societies in big cities.
3. The immune system is involved in protecting the body from disease.
4. None of the above.