Early Heart Quiz

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1 Both blood stem cells and the endothelial lining of blood vessels arise from blood islands.

	true
	false

2 The region of the early heart tube that corresponds to the inflow and out flow respectively are:

	inferior vena cava and aortic arch
	portal artery and aorta
	sinus arteriosus and cordus bulbus
	truncus arteriosus and sinus venosus

3 Embryonic red blood cells only differ from adult cells in still having nuclei.

	true
	false

4 The embryo cardinal venous vessels which drain into the sinus venosus are:

	anterior cardinal veins
	common cardinal veins
	inferior cardinal veins
	superior cardinal veins

5 The embryonic heart rate rises throughout development.

	true
	false

ANAT2341 - Early Heart Lecture

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