Cardio

Question 1

Truncus arteriosus gives rise to ?

Answer 1

Ascending aorta and pulmonary trunk

Question 2

Gives rise to smooth parts of left and right ventricles?

Answer 2

bulbus cordis

Question 3

Primitive ventricle gives rise to?

Answer 3

Trabeculated ventricle

Question 4

Gives rise to the coronary sinus?

Answer 4

Left horn of sinus venosus

Question 5

Right horn of sinus venosus gives rise to?

Answer 5

Smooth part of right atrium

Question 6

Cardinal veins (right common and anterior) give rise to ?

Answer 6

SVC

Question 7

Umbilical vein becomes?

Answer 7

Ligamentum teres hepatis

Question 8

Umbilical arteries become?

Answer 8

MedialLLLL umbilical ligament

Question 9

Ductus arteriosus becomes?

Answer 9

Ligamentum arteriosum

Question 10

Allantois becomes?

Answer 10

Urachus– mediaN umbilical ligament

Question 11

Adult nucleus pulposus of intervertebral disc is blank in fetus?

Answer 11

Notochord

Question 12

Hemosiderin laden macrophages?

Answer 12

Heart failure cells– macrophages consume blood–>build up of iron macrophages

Question 13

Nutmeg liver?

Answer 13

RHF

Question 14

Fixed splitting?

Answer 14

ASD

Question 15

Boot shaped heart on xray?

Answer 15

TOF

Question 16

Associated with maternal diabetes?

Answer 16

Transposition

Question 17

Benign hamartoma of cardiac muscle?

Answer 17

Rhabdomyoma– associated with tuberous sclerosis– usually in ventricles

Question 18

Erythropoiesis in fetus?

Answer 18

YLSB Young Liver synthesizes blood (bone marrow starts at 22 weeks) Yolk sac (3-10 weeks) Liver 6weeks till birth

Question 19

Triad of cushings

Answer 19

HTN; bradycardia; respiratory depression

Question 20

Describe JVP?

Answer 20

A wave is contraction of R. atrium
C wave is contraction of R. ventricle–> Tricuspid valve bulges into right atrium
X descent is atrial relaxation and downward displacement of TV; v wave is filling of right atrium
Y descent= blood flow from RA to RV

Question 21

2 instances of Widened splitting

Answer 21

Pulmonary stenosis and RBBB

Question 22

Fixed splitting?

Answer 22

ASD–> increases RA and RV

Question 23

paradoxical splitting

Answer 23

Aortic stenosis and LBBB

Question 24

Left sternal border heart sounds?

Answer 24

Aortic regurg; pumonic regurg; HCM

Question 25

ASD will eventually form what type of murmur?

Answer 25

Pulmonic regurg dt dilatation of pulmonary artery

Question 26

Valsalva?

Answer 26

Decreases venous return–>inc mvp and hcm

Can also be used to abolish SVT

Question 27

Aortic stenosis murmur

Answer 27

Follows ejection click; crescendo; decrescendo

Question 28

Bounding pulses (murmur)

Answer 28

Aortic regurg

Question 29

Opening snap of mitral stenosis is dt?

Answer 29

abrupt halt in leaflet motion in diastole