Sunday, 11 November 2012

Fetal Circulation


In the fetal circulation the

(a) foramen ovale closes due to pressure change
(b) ductus venosus carries mixed venous blood
(c) blood can reach the aorta from the superior vena cava without passing through the left atrium or the left ventricle
(d) saturation of fetal haemoglobin (Hb F) in the descending aorta is more than in the aortic arch
(e) oxygen saturation in the umbilical vein is 45%



(a) true (b) false (c) true (d) false (e) false

No comments:

Post a Comment