Repeated USMLE Questions Step 1- 333

Q- Which one of the following parts of fallopian tube is the widest and the most common site for fertilization?

A- Ampulla

B- Infundibulum

C- Isthmus

A- Ampulla

Q- Coagulation factor VIII is produced by which of the following cells?

A- Endothelial cells

B- Hepatic cells

C- Juxtaglomerular cells

D- Splenic macrophages

B- Hepatic cells

Q- Which one of the following substances induces the closure of patent ductus arteriosus?

A- Estradiol

B- Ibuprofen

C- Indomethacin

D- Prostaglandin E

C- Indomethacin

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