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USMLE Review- 16

Q- A patient with acute appendicitis complains of abdominal pain. Which of the following chemical mediators are responsible for this pain?

A- Histamine and serotonin

B- Leukotriene and interlukin-1

C- Prostaglandin and bradykinin

D-Tumor necrosis factor and IgG

C- Prostaglandin and bradykinin



Q- Which one of the following types of cells is involved in foreign body reaction?

A- Eosinophil

B- Giant cell

C- Neutrophil

D- Plasma cell

B- Giant cell



Q- Which of the following is the checkpoint in cell development that is affected by ionizing radiation?

A- G0/G1

B- G1/S

C- S/G2

D- G2/M

D- G2/M



Q- Which one of the following medications inhibits HMG-CoA reductase?

A- Aspirin

B- Digoxin

C- Simvastatin

D- Tacrolimus

C- Simvastatin



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