MCQ Bank
Myeloid lineage progenitor cells give rise to the following immunecells EXCEPT..................
- A) Monocytes
- B) Dendritic cells
- C) Neutrophils
- D) Natural killer cells
Delayed type hypersensitivity is -------
- A) Type III
- B) Type I
- C) Type II
- D) Type IV
Secretory immune molecules are ineffective against....................
- A) intracellular pathogens
- B) extracellular pathogens
- C) Viruses
- D) Bacteria
Antibody dependent Cellular Cytotoxicity is another form of Type II hypersensitivity causes the lysis target cells primarily by ………………
- A) neutrophils
- B) NK cells
- C) macrophages
- D) eosinophils
Particulate antigens are considered as more immunogenic as compared to...............
- A) Soluble antigens
- B) Protozoal antigens
- C) Bacterial antigens
- D) Hapten
Anaphylactic reactions usually take ………………… to occur.
- A) 1-2 days
- B) 1-2 minutes
- C) 10-12 hrs
- D) 15-30 minutes
Flushing actions of tear and saliva are the of innate immunesystem.
- A) secretory component
- B) chemical factor
- C) mechanical factor
- D) humoral component
Urticaria is a hypersensitivity reaction of …………………
- A) GIT
- B) eyes
- C) nose
- D) skin
Lymphoid lineage progenitor cells give rise to------
- A) B-Lymphocytes
- B) T-Lymphocytes
- C) Natural Killer
- D) All of given
…………………………… is a mediator of immediate hypersensitivity which causes the proteolysis.
- A) Kininogenas
- B) Tryptase
- C) Histamine
- D) Tetrapeptidase
Following are three components of innate immune system EXCEPT...................
- A) Anatomical barrier
- B) Humoral barrier
- C) Cellular barrier
- D) Antibody barrier
In Goodpasture’s Syndrome, autoantibodies are produced against ………………………
- A) Rh-factor
- B) thyroid
- C) glomerulus basement membrane
- D) surface of RBC
---------------of the immunoglobulin are responsible for the determination of specificity of immunoglobulin.
- A) Variable regions
- B) Constant regions
- C) Heavy chain
- D) Joining regions
IL-12 is produced by dendritic cells & macrophages which enhance the cytolytic activity of ……………………
- A) cytotoxic T-cells
- B) NK cells
- C) T helper cells
- D) phagocytic cells
The portion of.......... that combines with products of immune system is called epitope.
- A) antigenic determinant
- B) antibody
- C) antigen
- D) Adjuvant
Artificial passive immunization is transferred by injecting specific ……………………… from other individual or from other immune animals.
- A) alpha-globulins
- B) mu-globulins
- C) gamma-globulins
- D) delta-globulins
Super-antigens have the ability to activate ............ of T-cells polyclonally.
- A) 25%
- B) 10%
- C) 5%
- D) 50%
These all are true for vaccination EXCEPT ………………………
- A) Immunization against intracellular pathogen by humoral immunity
- B) Neutralization of specific pathogens
- C) Stimulation of organism’s immune system
- D) Ways of providing specific protection
The primary and secondary antibody response are same in case of...............
- A) T-dependent antigens
- B) T-independent antigens
- C) primary injection of antigens
- D) secondary injection of antigens
Chemotaxsis is the movement of circulating ……………… to the site of infection.
- A) B-cells
- B) immunoglobulin
- C) phagocytes
- D) Natural killer cells