04-08-2011, 08:51 PM
A 10-year-old female patient is brought to the
emergency room by her parents because of
vague abdominal pain radiating to the back.
The patient also has nausea and vomited
during the trip to the hospital. Physical examination
reveals a palpable lump in the abdomen
and the attending physician orders a computerized
tomography (CT) scan. The result shows
in the patient a horsheshoe-shaped kidney
fused at the lower pole with the isthmus lying
anterior to the aorta and inferior vena cava but
posterior to the inferior mesenteric artery.
During development, the parenchyma of the
kidney containing the nephrons develops from
which of the following:
(A) metanephric diverticulum
(B) metanephric mass of intermediate
mesoderm
© notochord
(D) paramesonephric ducts
(E) pronephroi
emergency room by her parents because of
vague abdominal pain radiating to the back.
The patient also has nausea and vomited
during the trip to the hospital. Physical examination
reveals a palpable lump in the abdomen
and the attending physician orders a computerized
tomography (CT) scan. The result shows
in the patient a horsheshoe-shaped kidney
fused at the lower pole with the isthmus lying
anterior to the aorta and inferior vena cava but
posterior to the inferior mesenteric artery.
During development, the parenchyma of the
kidney containing the nephrons develops from
which of the following:
(A) metanephric diverticulum
(B) metanephric mass of intermediate
mesoderm
© notochord
(D) paramesonephric ducts
(E) pronephroi