• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/54

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

54 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)

The heart tube appears by week

Week 4

The heart tube is completely formed by week ....

End of week 7

What is the Normal direction of cardiac looping

Should go to the right


( d looping / dextro)

What congenital heart defect occurs with abnormal heart looping

Transposition of Great Arteries ( TGA)

TGA

What is the constriction between the primitive ventricle & the bulbous cordis called?

Interventricular sulcus

IVS

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

7. In the fetal heart, the central portion of the interatrial septum that remains open is called the

FORAMEN OVALE

FO

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”

9. The ________________________ ____________________________ contributes to the formation of the aorta and pulmonary artery roots.


Truncus Arteriosus

T.A

10. How many paired aortic arches are there?

6 paired

11. Which aortic arch pair forms the aortic arch?

Left 4th

12. Where does oxygenation and exchange of carbon dioxide of fetal blood take place?

Placenta

Starts with a P

13. Oxygenated blood returns to the fetal heart via the umbilical

Vein

Starts with a V

14. The _______________________ valve directs blood entering the right atrium to the foramen ovale

Eustachian Valve

E.V.

15. In the fetal heart, the shunt between the atria is right to left?


True or False

True

What is the normal direction

16. The __________________________ __________________________ allows blood to be shunted from the pulmonary artery to the aorta in the fetal heart.

Duct is Arteriosus

DA

17. The shunt between the aorta and pulmonary artery in the fetus is right to left.


a. TRUE


b. FALSE

True

18. Deoxygenated blood returns to the placenta via the umbilical ___________ in fetal circulation.


Arteries

Arteries or Veins? Pick one

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

20. What is the name of the “flap” responsible for closing the foramen ovale following birth?

Septum Primum

Sep_ _ _


Pri_ _ _

Aortic Arches (R&L)


1st PAIR :

ECA: EXTERNAL CAROTID ARTERY

ECA

Aortic arches (R&L)


LEFT 4TH AORTIC ARCH FORMS:

TRANSVERSE AORTA


TRANSVERSE ARCH

TRANSVERSE AO_ _ _


TRANSVERSE AR_ _

AORTIC ARCHES (R&L)


RIGHT 6TH AORTIC ARCH FORMS :

RIGHT PULMONARY ARTERY

RPA

Aortic arches (R&L)


LEFT 6TH AORTIC ARCH FORMS:

LEFT PULMONARY ARTERY


DUCTUS ARTERIOSUS

LPA & DA

Foramen ovale is part of the ...

Septum secundum

SS

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.

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.

Post natal circulation—


* Post delivery, lungs _____ & pulmonary resistance ______

Inflate ; drops

Post natal circulation —


RA pressure _______ & LA pressure _______, closing the foramen ovale

Decreases; Increases

( - ) ; ( + )

Post natal circulation—-


Umbilical vein becomes :

Ligamentum teres

UV = Lt

Higher pressure areas lead to wall thickness (mycardium) =

Hypertrophy

In utero its normal to have right sided myocardium _______ than the left

Thicker

She th th th thick

Once baby is born, left sided myocardium is __________ BC pressures are higher on the left side.

Thicker

Th th th thick

Inner layer of cells form:

Endocardial

Inner heart

Outer layer of cells form:

Myocardium

Heart muscle

What is the first Organ system to reach full functional state :

Heart

Week 4:


The bulboventricular loop is formed :

S shaped loop

What kind of loop?

Abnormal looping :

To the left, L - Looping (Levo)

Levo

The septum primum (windsock) appears from the wall of the primitive atrium and grows to form the :

ENDOCARDIAL cushions

Blank , cushions

Communication between the sinus venosus and primitive atrium occurs via the :

Sinoatrial Orafice

SA. O

The primitive atrium and primitive ventricle communicate via the :

ATRIOVENTRICULAR CANAL!

AV. C

Only 1 great vessels leaves the heart:

Truncus arteriosus

TA

Portion of bulbis cordis forms the :

Outlets of ventricles : RVOT & LVOT


(R&L ventricle outlet tract)

RVOT & LVOT

Week 6:


The septum secundum ceases to grow and forms the

Foramen ovale

FO

In Week 7, The heart is in its final stages of development


True or false?

True

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

In week 7, the Coronary Sinus is formed:


True or false?

True

In week 7, Trabecular IVS formed; In the adult the IVS is known as :

Muscular (trabecular) Interventricular septum


—then , membranous

M. IVS.

In week 7, absorption of the right horn of sinus venousus occurs & forms the :

Crista Terminalis

IVC Valve is known as the :

Eustachian Valve

E. Valve

Coronary Sinus Valve is known as the :

THEBESIAN VALVE

T VALVE

NAME THE 3 SHUNTS:

FORAMEN OVALE


DUCTUS ARTERIOSUS


DUCTUS VENOUSA

F.O


D.A


D.V

ASDs GO IN WHAT DIRECTION?

LEFT TO RIGHT

Pulmonary Hypertension goes in what direction

Right to Left = Eisenmengers syndrome

What direction is related to Eisenmengers Syndrome