Week 10: Heart and Pericardium

Question 1

Continuation of the fibrous pericardium in large and small animal

Answer 1

Small - phrenicopericardial ligament

Large - sternopericardium

Question 2

Three parts of the serous pericardium

Answer 2

• Visceral pericardium (epicardium)
• Parietal pericardium
• Pericardial cavity

Question 3

Azygous vein in cow/horse/dog

Answer 3

Dog: right
Horse: right
Cow: left or bilateral

Question 4

Apex

Answer 4

Left ventricle

Question 5

Feature of right ventricle

Answer 5

Conus arteriosus

Question 6

Groove on auricular surface

Answer 6

Paraconal interventricular groove

Question 7

Paraconal interventricular groove contains

Answer 7

Great cardiac vein and left coronary artery

Question 8

Groove on the atrial surface

Answer 8

Subsinuosal interventricular groove

Question 9

Subsinuosal interventricular groove contains

Answer 9

Circumflex branch of the left coronary artery

Question 10

Right atrium is divided into

Answer 10

Sinus and auricle

Question 11

4 openings of the right atrium

Answer 11

• Coronary sinus
• Caudal vena cava
• Cranial vena cava
• Atrioventricular orifice

Question 12

What diverts blood from cranial and caudal vena cava into the right ventricle

Answer 12

Intervenous tubercle

Question 13

Right auricle is strengthened by

Answer 13

Interlacing pectinate muscles

Question 14

Crista terminalis

Answer 14

The dorsal separation of sinus venarum and auricle

Question 15

Ventricle’s papillary muscles

Answer 15

Conical shaped projections

Question 16

Ventricle’s chordae tendinae

Answer 16

Chords that extend from the cusps of the AV valve to the papillary muscles

Question 17

Ventricle’s trabeculae carneae

Answer 17

Myocardial ridges

Question 18

Cusps of the atrioventricular valves

Answer 18

• Septal

- Parietal

Question 19

Foramen ovale in fetus allows for

Answer 19

Passage from right atrium to left atrium

Question 20

Ductus arteriosus in the fetus

Answer 20

Shunts blood from pulmonary artery to the aorta

Question 21

Ductus arteriosus turns into

Answer 21

ligamentum arteriosus

Question 22

Pericardial effusion

Answer 22

Accumulation of fluid in pericardial sac

Question 23

Dilated cardiomyopathy

Answer 23

Decreased contractility

Question 24

Most common cardiac disease in cats

Answer 24

Hypertrophic cardiomyopathy

Question 25

Hypertrophic cardiomyopathy

Answer 25

Disease of the left ventricle