Type of receptor present on T-cells are__________________?
A. Ig A
B. Ig G
C. Prostaglandins
D. CD4
Microbiology
In patients with asthma due to an allergic cause the serum levels of which immunoglobulin increase____________________?
In patients with asthma due to an allergic cause the serum levels of which immunoglobulin increase____________________?
A. IgD
B. IgM
C. IgA
D. IgE
Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?
Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?
A. IgA
B. IgD
C. IgG
D. IgM
The term animalcules to oral microorganisms is given by__________________?
The term animalcules to oral microorganisms is given by__________________?
A. Wd miller
B. Leumenhoek
C. Robertson
D. Socranci
Immunoglobulin crossing placenta is_________________?
Immunoglobulin crossing placenta is_________________?
A. Ig M
B. Ig A
C. Ig G
D. Ig D
Sterilization is a process in which_________________?
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 key cell types involved in the acquired immunity include all EXCEPT________________?
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
Complement factor through which common pathway begins___________________?
Complement factor through which common pathway begins___________________?
A. C3
B. C5
C. C2
D. Protein B
Which of the following organisms does NOT react with gram’s stain ?
Which of the following organisms does NOT react with gram’s stain ?
A. Actinomyces israelii
B. Candida albicans
C. Mycobacterium tuberculosis
D. Streptococcus mutan
Phase contrast microscopy is based on principle of__________________?
Phase contrast microscopy is based on principle of__________________?
A. Different refractive indices of object
B. Different reflective indices of object
C. Light scattering
D. Light attenuation