The key cell types involved in the acquired immunity include all EXCEPT________________?
(A) B lymphocytes
(B) Erythrocytes
(C) T lymphocytes
(D) Antigen presenting cells (APC
Sterilization is a process in which_________________?
(A) Kill all pathogenic micro-organisms
(B) Kill all non-pathogenic micro-organisms in the environment
(C) Deactivate all pathogens not spores
(D) Deactivate all spores and dill pathogenic organism
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