WorksheetsTUTORIAL 2
Total questions: 10
Worksheet time: 3mins
Type III hypersensitivity is characterized by:
Antibody-mediated cytotoxicity against cells
Immune complex deposition activating complement
T-cell-mediated cytotoxicity
Type I hypersensitivity reactions involve:
IgG antibodies and complement
IgE antibodies and mast cells
Immune complex deposition
Which type of hypersensitivity is primarily T-cell mediated and delayed?
Type II
Type III
Type IV
Which of the following antibodies is most commonly associated with MG?
Anti-AChR
Anti-dsDNA
Anti-thyroid peroxidase
Which mechanism best describes acute cellular rejection?
NK cells destroying graft tissue independently
Pre-existing antibodies binding donor endothelium
T lymphocytes recognizing foreign antigens on transplanted tissue
Which of the following is an example of Type II hypersensitivity?
Hemolytic transfusion reaction
Serum sickness
Contact dermatitis
Which graft type uses tissue from the same individual?
Allograft
Isograft
Autograft
Which type of rejection is most likely to cause long-term graft failure?
Hyperacute rejection
Acute cellular rejection
Chronic rejection
Which mechanism is mainly responsible for tissue damage in SLE?
Direct cytotoxicity by T cells
Immune complex deposition and complement activation
NK-cell mediated killing
The typical timing of hyperacute rejection is:
Minutes to hours after transplantation
Days to weeks
Months to years
