Cardiac

Question 1

Left isomerism is associated with

Answer 1

Polysplenia

Two lobes on each lungs

Question 2

Right isomerism

Answer 2

Asplenia
Bilateral minor fissures
Three lobes in each lung

Question 3

The right atrium receives SYSTEMIC venous return

Answer 3

Superior vena cava
Inferior vena cava
Coronary sinus

Question 4

Two portions of the right atrium

Answer 4

SMOOTH posterior wall (sinus venosus) - where inflow from SVC, IVC and coronary sinus enters
TRABECULATED anterior wall (embryonic RA)

Question 5

Is a triangular or pyramidal shaped with a broad base and contains thick, coarse, pectinate muscles extending toward the atriventricular valve

Answer 5

RA appendage

Question 6

Smooth, thickened muscular ridge that runs from the mouth of the SVC and fades inferiorly to the mouth of the IVC

Answer 6

Crista Terminalis

Question 7

A smooth, central dimpled area within the interatrial septum

Answer 7

Fossa ovalis

Question 8

Opening of the coronary sinus is guarded by the

Answer 8

Thebesian valve

Question 9

Most common form of PAPVR

Answer 9

Right upper pulmonary vein connects to the RA or the SVC

Question 10

Is required for survival prior to repair of TAPVR

Answer 10

ASD

Question 11

Most superior and posterior cardiac chamber

Answer 11

Left atrium

Question 12

Long, slender and finger like and projects superiorly and to the left. With fewer and smaller pectinate muscles

Answer 12

Left atrial appendage

Question 13

Aortic arch gives rise to

Answer 13

Right brachiocephalic artery
Left subclavian artery
Left common carotid artery

Question 14

Is the remnant of the ductus arteriosus which closes functionally at ____ and closes anatomically at ______

Answer 14

Ligamentum arteriosum
1st 24 hours of life
10 days of life

Question 15

Useful in assessment and quantification of blood flow

Answer 15

Pulsed or continuous wave Doppler

Question 16

Allows assessment of myocardial contraction and deformation

Answer 16

Speckle tracking echocardiography

Question 17

Supplies the inferior wall of the LV

Answer 17

Posterior Descending artery (PDA)

Question 18

Supplies the anterior LV

Answer 18

Left anterior descending coronary artery (LAD)

Question 19

Supplies the posterolater LV and LA(?)

Answer 19

Left circumflex (LCx)

Question 20

Supploes the inferolateral LV

Answer 20

Obtuse Marginal (OM)

Question 21

When Left main coronary artery trifurcates

Answer 21

LAD
LCx
Ramus Intermedius

Question 22

Supplies the RV

Answer 22

Right coronary artery (RCA)

Question 23

Supplies the inferior aspect of LV and LA

Answer 23

Posterior Left ventricular branch (PLV or PLB)

Question 24

1st branch of RCA

Answer 24

Conus branch

Question 25

This is when the conus branch acts as a collateral pathway for blood flow to the LAD

Answer 25

Arterial Circle of Vieussens

Question 26

Most anterior chamber abuts the sternum

Answer 26

Right ventricle

Question 27

Muscular band that extends from the base of the anterior papillary muscle to the interventricular septum

Answer 27

Moderator band

Question 28

Supply A) Truncus anterior B) Interlobar attery

Answer 28

A) right upper lobe | B) right middle and lower

Question 29

Most common form of PAPVR

Answer 29

Right upper pulmonary veun connects to the RA or the SVC

Question 30

Reservoirs created by the closure of the aortic valve and from which the right and left coronary arteries arise

Answer 30

Sinuses valsalva

Question 31

SA node is located on the ___

Answer 31

Endocardial surface of the RA just above the SVC

Question 32

Impulse is collected and delayed approx ___ in the AV node

Answer 32

0.7 sec

Question 33

AV node is locates on the

Answer 33

Interatrial septum

Question 34

Bundle of His is locates on the

Answer 34

Interventricular septum

Question 35

Ventricular filling

Answer 35

Diastole

Question 36

Ventricular contraction

Answer 36

Systole

Question 37

Period immediately after ventricular contraction when the aortic and pulmonic valve closes

Answer 37

Isovolumic relaxation

Question 38

Time between closing of the AV valves and opening of the aortic and pulmonic valves

Answer 38

Isovolumic contraction

Question 39

Positive Hoffman-Rigler sign

Answer 39

>1.8 cm distance between the LV border and the posterior border of IVC

Question 40

Normal volume in the pericardial sac

Answer 40

20-25ml

Question 41

Most anterior cardiac chamber

Answer 41

Right Ventricle

Question 42

Most muscular cardiac chamber

Answer 42

Left ventricle