Medical MCQs

5099 MCQs  (Page 354 of 510)

Not sequelae of cellular events in atheroscierotic infarction_____________?
A. Neutrophilic infiltration
B. Astrocytes
C. Ingress of macrophages
D. Intense eosinophilia
Endotoxic shock is propagated____________?
A. Endothelial injury
B. Peripheral vasodilation
C. Increased vascular permeability
D. Cytokine action
Bone marrow stem cells differ from differ from differentiated progenitor stem cells in what respect ?
A. Provide differentiated terminal cells
B. Reconstitution of bone marrow
C. Formation of the ovum
D. Act as a repair system for the body
DiGeorge’s syndrome is due to___________?
A. Congenital thymic aplasia
B. Deficiency of complement factor
C. Inborn error of metabolism
D. Chromosomal anomaly
Which of the following is not present in lungs ?
A. Clara cells
B. Langerhans cells
C. Brush cells
D. Klutischky cells
Why fetal cells continue to divide but terminally differentiated adult cells do not divide ?
A. There are many cyclin inhibitors which prevent cell to enter into s phase in adult
B. Phosphatase absent in fetal cells
C. Proteinase is absent in fetus
D. Absence of cd kinase