Medical MCQs

5099 MCQs  (Page 353 of 510)

Which one of the following does not present antigens ?
A. Nk cells (netural killer cells)
B. Dendritic cells
C. Langerhan’s cells
D. Macrophages
Following is used to stain fungi______________?
A. Pas
B. Fontania stain
C. Ferrous trichrome
D. Pearls prussian blue
Most common cause of pulmonary embolism ?
A. Thrombophebitis
B. Endarteritis
C. Atheroscleroses
D. Lymphangitis
A haemophilia person has married to a normal woman Then his___________?
A. Daughter are carrier
B. Sons are infected
C. Daughter are infeted
D. All are normal
Tumour involving epiphysis of long bone is____________?
A. Osteogenic sarcoma
B. Osteoclastoma
C. Ewings sarcoma
D. Chondro sarcoma
NK cells are effective against viral infected cells only if the cell with infection___________?
A. Exprss mhc class i proteins
B. Unable to express mhc class i proteins
C. Express mhc class ii proteins
D. Unable to express mhc class ii proteins
Down syndrome is caused by all except___________?
A. Trisomy of 21 chromosome
B. Mosaicism of 21 chromosome
C. Robersonian translocation of 21.21, 21.18
D. Deletion of 21