Deck 17: Cardiovascular System

Question 1

Cells of the secondary heart field contribute to the formation of all except the _____________.

A)Right ventricle
B)Right atrium
C)Outflow
D)Tract
E)Left atrium
F)All of the above are correct

Answer 1

E

Question 2

Tissue from the sinus venosus becomes absorbed into the ____________.

A)Pulmonary veins
B)Ductus venosus
C)Left atrioventricular valve
D)Wall of right atrium
E)Thoracic duct

Answer 2

D

Question 3

In a 7-month fetus,blood draining the left temporalis muscle enters the heart via the ______________.

A)Left anterior cardinal vein
B)Coronary sinus
C)Left common cardinal vein
D)Superior vena cava
E)None of the above

Answer 3

D

Question 4

The myocardial primordium arises from the _____________.

A)Neural crest
B)Endoderm
C)Splanchnic mesoderm
D)Somatic mesoderm
E)Somitic mesoderm

Question 5

Massive collateral circulatory channels are opened up in individuals having which anomaly?

A)Patent ductus arteriosus
B)Preductal coarctation of the aorta
C)Double aortic arch
D)Right aortic arch
E)Postductal coarctation of the aorta

Question 6

For which of the following cardiovascular malformations is a patent ductus arteriosus necessary for survival of the individual?

A)Atrial septal defect
B)Ventricular septal defect
C)Double aortic arch
D)Right subclavian artery from arch of aorta
E)None of the above

Question 7

The internal carotid artery arises from aortic arch ________.

A)1
B)2
C)3
D)4
E)6

Question 8

Nucleated erythrocytes found in the embryo are produced in the _____________.

A)Yolk sac
B)Para-aortic clusters
C)Liver
D)Bone marrow
E)None of the above

Question 9

Which of the following cardiac malformations requires the presence of a secondary defect to be compatible with life?

A)Interatrial septal defect
B)Interventricular septal defect
C)Patent ductus arteriosus
D)Tricuspid atresia
E)None of the above

Question 10

Which defect can be related to the neural crest?

A)Patent ductus arteriosus
B)Persistent truncus arteriosus
C)Atrial septal defect
D)Anomalous pulmonary return
E)None of the above

Question 11

In an infant with tricuspid atresia,which of the accompanying secondary anomalies would also have to be present to be compatible with life?

A)Interventricular septal defect
B)Patent ductus arteriosus
C)Interventricular septal defect + patent ductus arteriosus
D)Interventricular septa defect + interatrial septal defect
E)Interventricular septal defect + persistent truncus arteriosus

Question 12

In order to be compatible with postnatal life,tricuspid atresia would have to be accompanied by ______________.

A)Common truncus arteriosus + patent ductus arteriosus
B)Ventricular septal defect + common truncus arteriosus
C)Atrial septal defect + patent ductus arteriosus
D)Any of the above
E)None of the above

Question 13

The ventral aortic root cephalic to the third aortic arch becomes the ___________.

A)External carotid artery
B)Stapedial artery
C)Ascending aorta
D)Internal carotid artery
E)Ductus arteriosus

Question 14

Adherons are inductive particles released by the ___________ of the endocardial cushion area.

A)Endocardium
B)Cardiac jelly
C)Myocardium
D)Epicardium
E)None of the above

Question 15

Which of the following pairings is incorrect?

A)Umbilical vein - urachus
B)Umbilical artery - lateral umbilical ligament
C)Neural crest - truncoconal ridges
D)Vitelline veins - hepatic portal vein
E)Right fourth aortic arch - proximal part of right subclavian artery

Question 16

Embryonic hematopoiesis takes place in all of the organs except the ______________.

A)Liver
B)Yolk sac
C)Bone marrow
D)Placenta
E)All of the above are correct

Question 17

The neural crest contributes to the structure of which of the following:

A)Truncus arteriosus
B)Ascending aorta
C)Pulmonary trunk
D)All of the above
E)None of the above

Question 18

Neural crest-derived cells constitute much of the ________________.

A)Ductus arteriosus
B)Interventricular septum
C)Interatrial septum
D)Truncoconal ridges
E)Conducting system of the heart

Question 19

The vitelline veins form what structure in the adult?

A)Ductus venosus
B)Portal vein
C)Ligamentum teres
D)Coronary sinus
E)None of the above