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WBCs are considered as

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Important Questions on Body Fluids and Circulation

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Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
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Match the items given in Column I with those in Column II and select the correct option given below:
 
  Column – I   Column – II
a. Fibrinogen i. Osmotic balance
b. Globulin Ii. Blood clotting
c. Albumin iii. Defense mechanism
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A person with blood group "A" can (i) donate blood to, and (ii) receive blood from:
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Match Column-I with Column-II and select the CORRECT option.

Column-I Column-II
i) Monocyte a) Synthesis of antibodies
ii) Basophil b) 3-9% of total WBCs
iii) Lymphocyte c) Non-nucleate fragments
iv) Thrombocyte d) Non-phagocytic
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If you suspect major deficiency of antibodies in a person, to which of the following would you like for confirmation evidence?
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Person with blood group AB is considered as universal recipient because he has:
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Arrange the following in the descending order of their number per cubic millimetre, present in the blood?
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Human mature red blood cells (RBCs) do NOT contain
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Which one of the following organs is NOT a site for the production of white blood cells?
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Considering ABO blood grouping system in humans, during blood transfusion some combinations of blood groups are compatible , whereas the others are incompatible (X) . Which ONE of the following options is CORRECT?
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Which one of the following is correct?
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A person with blood group AB has
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Which of the following conditions cause erythroblastosis foetalis?
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Match the following columns and select the correct option.

  Column-I   Column-II
(a) Eosinophils (i) Immune response
(b) Basophils (ii) Phagocytosis
(c) Neutrophils (iii) Release histaminase, destructive enzymes
(d) Lymphocytes (iv) Release granules containing histamine
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Which of the following statements are correct?

A. Basophils are most abundant cells of the WBCs

B. Basophils secrete histamine, serotonin and heparin

C. Basophils are involved in inflammatory response

D. Basophils have kidney shaped nucleus

E. Basophils are agranulocytes.

Choose the correct answer from the options below: 

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Choose the correct statement from the following :
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Which one of the following is incorrect regarding WBCs?

(a) Monocytes migrate from the bloodstream to other tissues and differentiate into tissue-resident macrophages, Kupffer cells in the liver.

(b) Eosinophils modulate allergic inflammatory responses.

(c) Basophils release histamine for inflammatory response.

(d) Natural killer cells are a type of phagocytic erythrocytes.