Which of the following vitamins is necessary for maturation of blood precursor cells________________?
(A) Vit- A
(B) Thiamine
(C) Riboflavin
(D) Cyano cobalamine
For heparin which of the following is ?
(A) Inhibits conversion of fibrinogen to insoluble fibrin
(B) Interferes with action of thrombin
(C) Is released by macrophages
(D) Is released by mast cells
Immunologically active cells are_____________?
(A) Plasma cells
(B) MAST cells
(C) Eosinophils
(D) R.
Clotting factor common to extrinsic and intrinsic pathway is_____________?
(A) Factor II
(B) Factor III
(C) Factor V
(D) Factor VII
The anticoagulant of choice used in the blood bank is_______________?
(A) Calcium oxalate
(B) Heparin solution
(C) Acid citrate dextrose solution
(D) Sodium fluoride
T- lymphocytes function to______________?
(A) Antibody production
(B) Complement activation
(C) Lymphokine production and delayed hypersensitivity
(D) Immediate hypersensitivity
IN acute infection which of the following is found_______________?
(A) Leucopenia
(B) Leukocytosis
(C) Neutrophilia
(D) Neutropenia
Hemoglobin has______________?
(A) Four polypeptide chains, 2α, 1β,1Υ chain
(B) Four heme molecules and four polypeptide chains
(C) Four heme molecules, 2α and 2β chains
(D) One heme and one globin molecule