Early Heart Quiz: Difference between revisions

From Embryology
No edit summary
Line 6: Line 6:
+ true
+ true
- false
- false
|| [[2009_Lecture_7#Blood_Islands|Blood islands]] form in mesoderm both within and outside the embryo and the core of these islands form blood stem cells and the peripheral cells form endothelial cells.
|| [[2009_Lecture_7#Blood_islands|Blood islands]] form in mesoderm both within and outside the embryo and the core of these islands form blood stem cells and the peripheral cells form endothelial cells.


{The region of the early heart tube that corresponds to the inflow and out flow respectively are:
{The region of the early heart tube that corresponds to the inflow and out flow respectively are:
Line 20: Line 20:
- true
- true
+ false
+ false
|| Yes they do differ in having nuclei, but also contain a fetal haemoglobin which will excahnge oxygen and carbon dioxide at different tensions from adult haemoglobin.
|| Yes they do differ in having nuclei, but also contain a fetal haemoglobin which will excahnge oxygen and carbon dioxide at different tensions from adult haemoglobin. [[2009_Lecture_7#Red_blood_cells|fetal red blood cells]]





Revision as of 08:58, 19 August 2009

Take the Quiz

  

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


Links

Early Heart Lecture | 2009 Quizzes