Choose Correct Embryology Terms Flashcards

Attempt the most interesting and fun-based flashcards which are solely dedicated to the terms used in Embryology. Learn the terms, vocabulary, definitions, and much more with our Flashcards quizzes. These Flashcards quizzes are interesting and fun-based.

95 cards   |   Total Attempts: 188
  

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Cards In This Set

Front Back
At what time during fetal growth is the heart first fully developed? A) 20 days C) 40 days B) 30 days D) 50 days
40 days
On the 30th day, the truncus normally divides. What anomaly occurs if the truncus does not divide? A) A - V canal B) muscular VSD C) transposition of the great vessels D) truncus arteriosus
Truncus arteriosus
The sinus venosus forms all of the following EXCEPT: A) coronary sinus C) right atrium B) pulmonary arteries D) inferior vena cava
Pulmonary arteries
The truncus arteriosus forms all of the following EXCEPT: A) pulmonary veins C) pulmonary arteries B) carotis artery D) ductus arteriosus
Pulmonary veins
What are the two right - to - left shunts in the normal fetal circulation? A) ductus arteriosus & primum B VSD & ASD C) foramen ovale & ductus arteriosus D) Foramen ovale & VSD
Foramen ovale & ductus arteriosus
Which of the following left - to - right shunts is the last to close in the noraml post partum period? When does it close? A) patent ductus arteriosus, closes in the 7th day B) patent foramen ovale, closes in the 2nd day C) patent ductus arteriosus, closes the 14th day D) patent foramen ovale, closes at the end of the first week
Patent foramen ovale, closes at the end of the first week
In the normal fetal circualtion, which of the folllowing las the least amount of blood flow? A) patent foramen ovale B) ductus arteriosus C) aorta D) pulmonary veins
Pulmonary veins
All of the following hemodynamic events occur post-delivery EXCEPT: A) pulmonary artery blood flow increases B) left atrial pressure decreases C) pulmonary resistance decreases D) foramen ovale flow decreases
Left atrial pressure decreases
The fetal ductus arteriosus closes soon after birth. What structure does it become? A) coronary sinus B) chiari network C) eustachian valve D) ligamentum arteriosum
Ligamentum arteriosum
The ductus arteriosus connects the pulmonary artery & aorta in the fetus. At what site does the ductus attach to the aorta? A) aortic isthmus B) aortic root C) sinus of Valsalva D) A - V node
Aortic isthmus
The following five structures are activated during a single cardiac cycle. Rank them in the normal order of activation. 1) Bundle of His 2) Purkinje Fibers 3) AV node 4) SA node 5) left bundle branch
4, 3, 1, 5, 2
Which of the following structures is the primary pacemaker of the heart? A) Bundle of His C) AV node B) Purkinje fibers D) SA node
SA node
During the resting state, which of the following ions are pumped out of the cells of the myocardium? A) sodium C) iodine B) potassium D) magnesium
Sodium
Following electrical depolarization of the myocardial cell membrane, which ion rushes in first, and which ion rushes in later? A) potassium follwed by sodium B) sodium followed by calcium C) calcium followed by potassium D) potassium followed by calcium
Sodium followed by calcium
Which of the following ions helps slow heart muscle contraction? A) sodium B) potassium C) calcium D) magnesium
Calcium