Cardio

Question 1

Truncus arteriosus

Answer 1

Ascending aorta and pulmonary trunk

Question 2

Bulbus cordis

Answer 2

smooth parts (outflow tract) of left and right ventricles

Question 3

Primitive atria

Answer 3

Trabeculated part of left and right atria

Question 4

Primitive ventricle

Answer 4

Trabeculated part of left and right ventricles

Question 5

Primitive pulmonary vein

Answer 5

Smooth part of left atrium

Question 6

Left horn of sinus venosus

Answer 6

Coronary sinus

Question 7

Right horn of sinus venosus

Answer 7

smooth part of right atrium

Question 8

Right common cardinal vein and right anterior cardinal vein

Answer 8

SVC

Question 9

Umbilical vein

Answer 9

Ligamentum teres hepatis

Question 10

Umbilical arteries

Answer 10

MediaL umbilical ligaments

Question 11

Ductus arteriosus

Answer 11

Ligamentum arteriosum

Question 12

Ductus venosus

Answer 12

Ligamentum venosum

Question 13

Foramen ovale

Answer 13

Fossa ovalis

Question 14

Notochord

Answer 14

Nucleus pulposus of intervertebral disc

Question 15

Allantois

Answer 15

Urachus (mediaN umbilical ligament)

Question 16

What does actue marginal artery (of RCA) serve?

Answer 16

Right ventricle

Question 17

What does posterior descending artery serve?

Answer 17

• Posterior 1/3 of IV septum

- Posterior walls of ventricle

Question 18

What does the left anterior descending artery serve?

Answer 18

• Anterior 2/3 of IV septum
• Anteiror papillary muscle
• Anterior surface of LV

Question 19

What does the LCX serve?

Answer 19

Lateral and posterior walls of the left ventricle

Question 20

What does the RCA supply?

Answer 20

SA and AV nodes

Question 21

What does it mean to have a right- or left-dominant circulation?

Answer 21

Right dominant (85%)= PDA arises from RCA
Left dominant (8%)= PDA arises from LCX

Question 22

List the R-to-L shunts.

Answer 22

• Truncus arteriosus
• Transposition of great arteries
• Tricuspid atresia
• Tetralogy of Fallot
• Total anomalous pulmonary venous return

Question 23

Cardiac defects of DiGeorge

Answer 23

• Truncus arteriosus

- Tetralogy of Fallot

Question 24

Cardiac defects of Down Syndrome

Answer 24

• ASD
• VSD
• Endocardial cushion defet (ostium primum)

Question 25

Cardiac defects of congenital rubella

Answer 25

- Septal defects - PDA - Pulmonary artery stenosis

Question 26

Cardiac defects of Turners

Answer 26

- Bicuspid aortic valve | - Coarctation of aorta (preductal)

Question 27

Cardiac defects of Marfan

Answer 27

- MVP - THoracic aortic aneurysm and dissection - Aortic regurg

Question 28

Cardiac defects of infants born to diabetic mothers

Answer 28

-Transposition of great vessels

Question 29

Mnemonic for Bacterial Endocarditis

Answer 29

FROM JANE - Fever - Roth spots - Osler Nodes - Murmur - Janeway lesions - Anemia - Nail splinter hemorrhages - Emboli

Question 30

Mnemonic for Rheumatic Fever

Answer 30

FEVERSS - Fever - Erythema marginatum - Valvular damage (vegetation and fibrosis) - ESR increased - Red hot joints (migratory polyarthritis) - Subcutaneous nodules - Sydenham chorea

Question 31

1st aortic arch derivative

Answer 31

Pat of MAXillary artery (branch of external carotid)

Question 32

2nd aortic arch derivative

Answer 32

Stapedial artery and hyoid artery

Question 33

3rd aortic arch derivative

Answer 33

Common Carotid artery | Proximal part of ICA

Question 34

4th aortic arch derivative

Answer 34

Left: aortic arch Right: proximal part of right subclavian artery

Question 35

6th aortic arch derivative

Answer 35

Proximal part of pulmonary arteries and ductus arteriosus (on left)