MCQ Bank
These all are true for secondary lymphoid organs EXCEPT...............
- A) Site of interaction of antigen & lymphocytes
- B) Present in Various Anatomical Location
- C) Involve in innate immune response
- D) Site of interaction of antigen presenting cells & lymphocytes
In type III hypersensitivity, aggregated …………….. form micro thrombus.
- A) macrophages
- B) complement proteins
- C) platelets
- D) neutrophils
In lectin pathway for complement activation.......bind to surface of pathogens containing...... in their cell wall.
- A) MBL, mannose
- B) mannose, MBL
- C) MBL. MBL
- D) Mannose binding lectins. MBL
Tumor Necrosis Factor-Alpha is produced by activated ………………… in response to microbes or their products.
- A) monoctyes
- B) macrophages
- C) lymphocytes
- D) T-cells
Immunoglobulin that causes the agglutination reaction is called................
- A) Agglutinin
- B) Antigen
- C) Antibody
- D) Agglutinant
Tuberculin test is used to diagnose ……………………….. reaction
- A) Hypersensitivity type III
- B) Hypersensitivity type II
- C) Hypersensitivity type I
- D) Hypersensitivity type IV
There are some types and subtypes of antibodies based on the kind of cee of antibodies.
- A) light chains
- B) Constant region
- C) heavy chain
- D) variable region
These all cells are involved in delayed type hypersensitivity EXCEPT …………………
- A) Monocytes
- B) Macrophages
- C) T-cells
- D) B-cells
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