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54 Cards in this Set
- Front
- Back
- 3rd side (hint)
The heart tube appears by week |
Week 4 |
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The heart tube is completely formed by week .... |
End of week 7 |
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What is the Normal direction of cardiac looping |
Should go to the right ( d looping / dextro) |
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What congenital heart defect occurs with abnormal heart looping |
Transposition of Great Arteries ( TGA) |
TGA |
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What is the constriction between the primitive ventricle & the bulbous cordis called? |
Interventricular sulcus |
IVS |
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List 7 segments of the straight heart tube — beginning w/ the Caudal end & end w/ the Cephalic End. List the structures formed from each segment |
Caudal End: (bottom) 1) Sinus Venosus (SV) : Part of Right Atrium 2) Primitive Atrium (PA) : R & L Atria 3) Atrioventricular Canal ( AV Canal) : divides PA & PV 4) Primitive Ventricle (PV) : Inlet of Ventricles ( inflow of blood & tract atria) 5) Bulbis Cordis [conus] (BC) : Outlet of Ventricles (outflow tracts RVOT,LVOT) 6) Truncus Arteriosus (TA) : Aorta, pulmonary Artery ( Great Artery/Vessel) divided into MPA & Aorta 7) Aortic Sac - gives rises to Aortic Arches |
Caudal end: SV PA AV canal PV BC TA AS CEPHALIC END |
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7. In the fetal heart, the central portion of the interatrial septum that remains open is called the |
FORAMEN OVALE |
FO |
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8. The ______________________________ cushions divide the AV canal into the right and left atrioventricular orifices, contributes to the closure of the ostium primum and membranous septum and forms the anterior mitral valve and tricuspid valve leaflets |
ENDOCARDIAL |
Med term for “inside — the heart” |
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9. The ________________________ ____________________________ contributes to the formation of the aorta and pulmonary artery roots. |
Truncus Arteriosus |
T.A |
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10. How many paired aortic arches are there? |
6 paired |
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11. Which aortic arch pair forms the aortic arch? |
Left 4th |
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12. Where does oxygenation and exchange of carbon dioxide of fetal blood take place? |
Placenta |
Starts with a P |
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13. Oxygenated blood returns to the fetal heart via the umbilical |
Vein |
Starts with a V |
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14. The _______________________ valve directs blood entering the right atrium to the foramen ovale |
Eustachian Valve |
E.V. |
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15. In the fetal heart, the shunt between the atria is right to left? True or False |
True |
What is the normal direction |
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16. The __________________________ __________________________ allows blood to be shunted from the pulmonary artery to the aorta in the fetal heart. |
Duct is Arteriosus |
DA |
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17. The shunt between the aorta and pulmonary artery in the fetus is right to left. a. TRUE b. FALSE |
True |
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18. Deoxygenated blood returns to the placenta via the umbilical ___________ in fetal circulation. |
Arteries |
Arteries or Veins? Pick one |
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19. During fetal circulation, the RV pumps against a highly resistant pulmonary bed and arterial bed which means the fetal RV will be ________ than the left ventricle. a. Thinner b. Thicker |
Thicker |
Wassup Bree, Wassup Kee |
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20. What is the name of the “flap” responsible for closing the foramen ovale following birth? |
Septum Primum |
Sep_ _ _ Pri_ _ _ |
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Aortic Arches (R&L) 1st PAIR : |
ECA: EXTERNAL CAROTID ARTERY |
ECA |
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Aortic arches (R&L) LEFT 4TH AORTIC ARCH FORMS: |
TRANSVERSE AORTA TRANSVERSE ARCH |
TRANSVERSE AO_ _ _ TRANSVERSE AR_ _ |
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AORTIC ARCHES (R&L) RIGHT 6TH AORTIC ARCH FORMS : |
RIGHT PULMONARY ARTERY |
RPA |
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Aortic arches (R&L) LEFT 6TH AORTIC ARCH FORMS: |
LEFT PULMONARY ARTERY DUCTUS ARTERIOSUS |
LPA & DA |
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Foramen ovale is part of the ... |
Septum secundum |
SS |
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Fetal circulation — Most flow (from IVC) crosses into LA via the foramen ovale. This flow is directed across the RA by the : |
Eustachian Valve |
E.V. |
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Fetal circulation — Most flow (from IVC) crosses into LA via the foramen ovale. This flow is directed across the RA by the : |
Eustachian Valve |
E.V. |
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Post natal circulation— * Post delivery, lungs _____ & pulmonary resistance ______ |
Inflate ; drops |
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Post natal circulation — RA pressure _______ & LA pressure _______, closing the foramen ovale |
Decreases; Increases |
( - ) ; ( + ) |
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Post natal circulation—- Umbilical vein becomes : |
Ligamentum teres |
UV = Lt |
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Higher pressure areas lead to wall thickness (mycardium) = |
Hypertrophy |
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In utero its normal to have right sided myocardium _______ than the left |
Thicker |
She th th th thick |
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Once baby is born, left sided myocardium is __________ BC pressures are higher on the left side. |
Thicker |
Th th th thick |
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Inner layer of cells form: |
Endocardial |
Inner heart |
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Outer layer of cells form: |
Myocardium |
Heart muscle |
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What is the first Organ system to reach full functional state : |
Heart |
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Week 4: The bulboventricular loop is formed : |
S shaped loop |
What kind of loop? |
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Abnormal looping : |
To the left, L - Looping (Levo) |
Levo |
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The septum primum (windsock) appears from the wall of the primitive atrium and grows to form the : |
ENDOCARDIAL cushions |
Blank , cushions |
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Communication between the sinus venosus and primitive atrium occurs via the : |
Sinoatrial Orafice |
SA. O |
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The primitive atrium and primitive ventricle communicate via the : |
ATRIOVENTRICULAR CANAL! |
AV. C |
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Only 1 great vessels leaves the heart: |
Truncus arteriosus |
TA |
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Portion of bulbis cordis forms the : |
Outlets of ventricles : RVOT & LVOT (R&L ventricle outlet tract) |
RVOT & LVOT |
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Week 6: The septum secundum ceases to grow and forms the |
Foramen ovale |
FO |
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In Week 7, The heart is in its final stages of development True or false? |
True |
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In week 7, the remnant of the septum primum acts as a flap at the level of the foramen ovale and controls the blood flow between the 2 atrias : True or false? |
True |
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In week 7, the Coronary Sinus is formed: True or false? |
True |
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In week 7, Trabecular IVS formed; In the adult the IVS is known as : |
Muscular (trabecular) Interventricular septum —then , membranous |
M. IVS. |
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In week 7, absorption of the right horn of sinus venousus occurs & forms the : |
Crista Terminalis |
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IVC Valve is known as the : |
Eustachian Valve |
E. Valve |
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Coronary Sinus Valve is known as the : |
THEBESIAN VALVE |
T VALVE |
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NAME THE 3 SHUNTS: |
FORAMEN OVALE DUCTUS ARTERIOSUS DUCTUS VENOUSA |
F.O D.A D.V |
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ASDs GO IN WHAT DIRECTION? |
LEFT TO RIGHT |
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Pulmonary Hypertension goes in what direction |
Right to Left = Eisenmengers syndrome |
What direction is related to Eisenmengers Syndrome |