Question Bank
Primitive Heart & Heart Tube — Cardiovascular Development
Embryology Question Bank
Embryology Question Bank
Primitive Heart & Heart Tube
Question 1 of 5
20% complete
0
s
Q1
Accuracy
No answers yet
Quick Tip
Question Navigator
Current
Correct
Incorrect
Unanswered
Primitive Heart & Heart Tube MCQs: practice questions
Sample Primitive Heart & Heart Tube multiple-choice questions from Cardiovascular Development.
Which extracellular matrix is secreted by the developing myocardium?
- A. Mesenchymal matrix of somites
- B. Basement membrane of amnion
- C. Wharton jelly
- D. Decidua
- E. Cardiac jelly
How many major dilations are present in the primitive heart tube?
- A. Four
- B. Three
- C. Two
- D. Five
- E. Six
Which primitive heart region provides arterial outflow?
- A. Sinus venosus
- B. Primitive ventricle
- C. Truncus arteriosus
- D. Primitive atrium
- E. AV canal
What does the primitive atrium contribute to the adult right atrium?
- A. Conus arteriosus
- B. Aortic vestibule
- C. Smooth sinus venarum
- D. Trabeculated right atrium
- E. Coronary sinus
Which embryonic tissue induces formation of the endocardial tube?
- A. Intermediate mesoderm
- B. Foregut endoderm
- C. Amnion
- D. Surface ectoderm
- E. Neural crest
Which primitive heart-tube dilation forms the aortic vestibule of the left ventricle?
Which embryonic layer gives rise to the entire cardiovascular system in the source?
Which primitive heart-tube dilation forms the trabeculated portions of both ventricles?
At approximately what day does the straight heart tube begin looping?
What mesodermal layer surrounds the primitive endocardial tube?
What type of looping normally occurs in the primitive heart tube?
What adult structure is formed by the bulbus cordis on the left side?
Which structure contributes to the coronary sinus?
Which mesodermal layer contains the heart-forming regions?
What event brings the bilateral heart-forming regions together?
Which primitive heart dilation contributes to the smooth part of the left atrium only indirectly?
Which primitive heart-tube dilation forms the smooth part of the right ventricle?
Which layer of the primitive heart is derived from mesoderm migrating from the coelomic wall near the liver?
Which primitive heart region receives venous inflow?
Which primitive heart-tube dilation forms the trabeculated portions of both atria?
Which growth factor is specifically involved in induction of the endocardial tube?
Which primitive heart-tube dilation forms the proximal aorta and pulmonary trunk?
Which structure forms the smooth part of the right atrium?
What is the immediate embryonic significance of dextral looping?
By approximately which days is dextral looping complete?
What adult structure is formed by the bulbus cordis on the right side?
What happens to the bilateral heart-forming regions after lateral folding?
Which primitive heart structure is the main outflow region?
What does the primitive ventricle contribute to the adult left ventricle?
Which primitive heart structure is the main inflow region?