Lymphoid Organs

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Lymphoid Organs: Overview

This topic provides knowledge of the organs which are responsible for immune cell production. It also discusses their location and their mechanism with the aid of diagrams.

Important Questions on Lymphoid Organs

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The two special types of lymphoid organs in humans are:

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Which of the following organs is not involved in elicitation of immune response? 

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MALT constitutes below part of the lymphoid tissues in the human body:

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Lymphoid tissues lining the respiratory and urino-genital tracts are known as MALT.

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Fill up the blanks in the statement I-IV given below.
I. The primary lymphoid organs are _______ and _______.
II. Heroin commonly called “smack” is chemically _______.
III. _______ tumours remain confined to their original location and do not spread to other parts of the body.
IV. The immune system comprises _______ cells and _______ cells.

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Immature lymphocytes are primarily found in which one of the following organs?

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Function of human spleen is to

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γ-globulins are synthesised inside

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The letter 'T ' in T-lymphocytes stands for:-

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Which of the following is the main lymphoid organ for the production of lymphocytes?

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Which one of the following organ is not a lymphoid organ?

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Which of the following is not a lymphoid tissue ?

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Name the secondary lymphoid organ which is a reservoir of erythrocytes.

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Which of the following is not a lymphoid tissue?

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In which of the following organs do lymphocytes interact with antigens, proliferate and differentiate into effector cells?

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What of the following choices in relation to secondary lymphoid organs are incorrect?

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What is the name of the lymphoid tissue located within the lining of major tracts like respiratory, digestive and urinogenital?

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Find out the correct statements from the following given below:

(i) Spleen is a large reservoir of RBCs.

(ii) Lymph nodes serve to trap the microorganisms which happen to get into the lymph and tissue fluid.

(iii) Mucosa Associated Lymphoid Tissue (MALT) constitutes 50% of the lymphoid tissue in human body.

(iv) Thymus acts as a filter of blood by trapping blood-borne microorganisms.

(v) Only thymus provides microenvironment for development and maturation of T lymphocytes.

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Identify the correct statement.

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The largest lymphoid organ is: