The term animalcules to oral microorganisms is given by__________________?
(A) Wd miller
(B) Leumenhoek
(C) Robertson
(D) Socranci
Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?
(A) IgA
(B) IgD
(C) IgG
(D) IgM
Cleavage of IgG molecule by Papin gives rise to:One Fc fragment and two Fab fragments_______________?
(A) One Fc fragment and two Fab fragments
(B) One Fc fragment and four Fab fragments
(C) Two Fc fragments and two Fab fragments
(D) Two Fc fragment and one Fab fragment
The function of IgD is______________?
(A) Antigen recognition by B cells
(B) Localization protection in external secretion
(C) Compliment activation
(D) Reagin activity
The type of immunoglobulin most commonly increased in multiple myeloma is_______________?
(A) IgG
(B) IgA
(C) IgM
(D) IgD
Cell wall deficient bacteria are_______________?
(A) Escherichia Coli
(B) Staphylococci
(C) Spirochetes
(D) Mycoplasma
Purpose of Sterilization is to eliminate________________?
(A) Bacteria
(B) Viruses
(C) Spore formers
(D) Fungus
A child presents with infective skin lesions of the leg. Culture was done which showed gram positive cocci in chains and haemolytic colonies. Which of the following tests will best identify the organism ?
(A) Bile solubility
(B) Optochin sensitivity
(C) Bacitracin sensitivity
(D) Cataslase positive
The Manufacturing unit of surgical needle & sutures are sterilized by ________________?
(A) Gamma-Rays
(B) X-Rays
(C) Autoclaving
(D) Boiling