Name the lymphoid tissue which is located within the lining of the major tracts.
1. Sperm
2. B-lymphocytes
3. T-lymphocytes
4. MALT
Subtopic:  Human Immune System |
 93%
Level 1: 80%+
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Which of the following glands is large-sized at birth but reduces in size with ageing?
1. Pineal                                 
2. Pituitary
3. Thymus                               
4. Thyroid

Subtopic:  Human Immune System |
 93%
Level 1: 80%+
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Identify the incorrect statement:
1. Allergies are exaggerated response of immune system mediated by IgE antibodies and involves histamine
2. Rheumatoid arthritis is an example of an auto-immune disease
3. Bone marrow and thymus are secondary lymphoid organs
4. MALT constitutes about 50 percent of the lymphoid tissue in the body
 
Subtopic:  Human Immune System |
 92%
Level 1: 80%+
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Which of the following correctly differentiates primary and secondary lymphoid organs?
1. Both primary and secondary lymphoid organs produce lymphocytes.
2. The spleen and thymus are both primary lymphoid organs.
3. Primary lymphoid organs are where lymphocytes mature and become functional, whereas secondary lymphoid organs are where they interact with antigens.
4. Bone marrow and lymph nodes are both considered secondary lymphoid organs.
Subtopic:  Human Immune System |
 92%
Level 1: 80%+
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Acid in stomach, saliva in the mouth, tears from eyes, all prevent microbial growth belong to which of the following barrier?

1.  Physical barrier 

2. Physiological barrier

3. Cellular barrier 

4. Cytokine barrier

Subtopic:  Human Immune System |
 92%
Level 1: 80%+
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Identify the incorrectly matched pair:
1. Bone marrow Primary lymphoid organ
2. Thymus Increases in size after puberty
3. Payer’s patches Present in small intestine and appendix
4. Spleen Has a large reservoir of RBCs
Subtopic:  Human Immune System |
 88%
Level 1: 80%+
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Which of the following lymphoid organs is not included in secondary lymphoid organs?

1. Peyer's patches of small intestine
2. Spleen
3. Tonsils
4. Thymus
Subtopic:  Human Immune System |
 89%
Level 1: 80%+
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MALT constitutes about ___________ percent of the lymphoid tissue in human body

(1) 50%         (2) 20%          (3) 70%          (4) 10%

Subtopic:  Human Immune System |
 88%
Level 1: 80%+
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Consider the following statements:
Statement A: Acquired immunity is pathogen-specific.
Statement B: Acquired immunity is present at birth.
 
1. Both A and B are correct
2. A is correct but B is incorrect
3. A is incorrect but B is correct
4. Both A and B are incorrect
Subtopic:  Human Immune System |
 88%
Level 1: 80%+
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Identify the incorrect statement 

1. Acquired immune response is a highly specific immune response 
2. Acquired immune response is due to lymphocytes 
3. Acquired immune system cannot differentiate between self and non-self antigens 
4. Acquired immunity is characterized by development of memory 
Subtopic:  Human Immune System |
 87%
Level 1: 80%+
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