A. It can be detected during the window period
B. Free P24 antigen disappears after the appearance of IgM response to it:
C. Virus load parallel P24 titre
D. It remains during asymptomatic phase
Related Mcqs:
- True about HIV are all except______________?
A. DNA virus
B. Attacks CD4 cells
C. Macrophages are the reservoir
D. Decrease CD4 count in late stages - Out of the following hypersensitivity reactions, in which type a single dose of the antigen can act as both the sensitizing and shocking dose_______________?
A. Anaphylaxis
B. Arthus reaction
C. Serum sickness
D. Contact dermatitis - Which of the following is most potent antigen for stimulating both humoral and cell mediated immunity ?
A. Adjuvant
B. Proteins
C. Polysaccharides
D. Lipids - Australian antigen is_______________?
A. HB Ag
B. HBs AG
C. HBV
D. None of the above - Antigen used in Weil-Felix reaction______________?
A. E.coli
B. Haemophilus
C. Proteus
D. Staphylococcus - The exact part of the antigen that reacts with the immune system is called as_____________?
A. Clone
B. Epitope
C. Idiotope
D. Paratope - The antigen used in Weil Felix test is obtained from________________?
A. Pseudomonas
A. coli
B. Proteus
C. Staphylococcus - Antigen combining site of the antibody is____________________?
A. Idiotope
B. Paratope
C. Epitope
D. Hapten - Most sensitive test for antigen detection is_______________?
A. Radioimmuno Assay
B. ELISA
C. Immunoflourescence
D. Passive hemaglutination - Australia antigen is associated with________________?
A. Hepatitis B surface antigen in acute hepatitis
B. AIDS
C. Chronic leukemia
D. Basal cell carcinoma
