The ________ is the kidney's sole blood supply.
A) celiac trunk
B) abdominal aorta
C) hepatic artery
D) renal artery
E) superior mesenteric artery
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Question 2) During gastrulation,
A) the blastomeres fuse.
B) the placenta penetrates the endometrium.
C) three germ layers are formed.
D) cells from the hypoblast move to the epiblast.
E) the neural tube closes.
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Question 3) The blood vessel that supplies blood to the pancreas, the small intestine, and most of the large intestine is the
A) celiac artery.
B) inferior mesenteric vein.
C) hepatic portal vein.
D) gastric vein.
E) superior mesenteric artery.
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Question 4) The mesoderm and the trophoblast combine to form the
A) amnion.
B) amniotic sac.
C) chorion.
D) allantois.
E) inner cell mass.
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Question 5) The blood vessel that supplies blood to the liver, stomach, and spleen is the
A) celiac artery.
B) inferior mesenteric vein.
C) hepatic portal vein.
D) gastric vein.
E) superior mesenteric artery.
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Question 6) Ectoderm is to ________ as mesoderm is to ________.
A) neural tissue; muscle tissue
B) cardiovascular system; neural tissue
C) mesoderm; endoderm
D) neural tissue; epithelial tissue
E) muscle tissue; neural tissue
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Question 7) The bronchial arteries branch from the ________ to supply the lung airways.
A) pulmonary arteries
B) thoracic aorta
C) pulmonary veins
D) pleural arteries
E) brachiocephalic trunk
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Question 8) Which of the following is false concerning the allantois?
A) It derives partly from endoderm.
B) It projects into the umbilical cord.
C) It stores nitrogenous wastes.
D) Part will develop as the urinary bladder.
E) It acts as the fetal bone marrow.
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Question 9) The blood vessel that supplies blood to the head and neck is the ________ artery.
A) brachiocephalic
B) vertebral
C) subclavian
D) common carotid
E) cervical
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Question 10) Shortly after gastrulation, the body and organs of the embryo begin to form. This process is called
A) cleavage.
B) implantation.
C) placentation.
D) embryogenesis.
E) germination.
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