Circulatory System

Question 1

Cranial and dorsal portion of the heart

Site for entry and exit of major blood vessels

Answer 1

Base

Question 2

Point of heart, free, not attached by ligaments or blood vessels. Points causally and ventrally

Answer 2

Apex

Question 3

Connective tissue sac that surrounds the heart, made of 2 layers

Answer 3

Pericardium

Question 4

The pericardial sac is filled with ______ ______ which serves as a lubricant as heart beats

Answer 4

Pericardial fluid

Question 5

An increase in fluid around heart, constricting it and making it so it can’t expand as much can cause

Answer 5

Heart failure

Question 6

Name for hardware disease

Answer 6

Traumatic reticulo-pericardis

Question 7

Hardware disease can cause what to build up around the heart
Leads to

Answer 7

Pus (if nicks pericardial sac)

Leads to washing machine murmur

Question 8

How to treat hardware disease

Answer 8

Pericardial stripping

Question 9

Where foreign objects go in a cow’s stomach

Answer 9

Reticulum

Question 10

Which side handles unoxygenated blood, which side handles oxygenated blood

Answer 10

Unoxygenated: right
Oxygenated: left

Question 11

Where the right atrium receives blood from

Answer 11

The crania and caudal vena cava

Question 12

The cranial vena cava drains blood from the_______. The caudal vena cava drains blood from the _____

Answer 12

Head

Body

Question 13

Valve in right atrium that keeps blood going in right direction and not regurgitating back into the atria

Answer 13

Atrio-ventricular or tricuspid valve

Question 14

Chamber that sends blood to the lungs via the pulmonary artery to pick up O2 and discard CO2

Answer 14

Right ventricle

Question 15

What chamber the pulmonary valve is located in, keeps blood from flowing back

Answer 15

Right ventricle

Question 16

The only artery in the body with oxygen poor blood

Answer 16

Pulmonary artery

Question 17

In the lungs _____ leaves the blood and ______ is picked up

Answer 17

CO2 leaves, O2 is picked up

Question 18

The only vein in the body with oxygen rich blood

Answer 18

Pulmonary vein

Question 19

Which chamber the oxygen rich blood from the lungs goes to

Answer 19

The left atrium

Question 20

Valve in the left atrium that sends blood to the left ventricle

Answer 20

Left A-V valve or mitral valve

Question 21

The valve located in the left ventricle that sends blood to the rest of the body

Answer 21

Aortic valve

Question 22

Which has thinner walls the atria or ventricles

Answer 22

Atria

Question 23

Which ventricle has a thicker wall

Answer 23

Left

Question 24

Each valve is attached to the ______ in the ventricular walls by fibrous cords called _____ _______

Answer 24

Papillary muscles

Chordae tendinae

Question 25

When the valves evert back into the atria

Answer 25

Valve prolapse

Question 26

When the ventricles contract the valves are forced closed. What keeps the valves from going the wrong way

Answer 26

The chordae tendinae

Question 27

Outer Middle Inner layer of heart

Answer 27

Outer: pericardium Middle: myocardium Inner: endocardium

Question 28

Medical term for a heart attack

Answer 28

Myocardial infarction

Question 29

Diastole | Systole

Answer 29

Rest | Contract

Question 30

First heart sound (Lub)

Answer 30

A-V valves close

Question 31

Second heart sound, (dub)

Answer 31

Aortic and pulmonary valves shut

Question 32

Both heart sounds occur during

Answer 32

Ventricular systole

Question 33

A third heart sound may be heard, this is

Answer 33

The ventricles filling

Question 34

How heart murmurs are ranked

Answer 34

I-V 1 being hard to hear 5 being easy

Question 35

Things that can cause heart murmurs

Answer 35

Valve problems Structural abnormalities Thickening of vessel walls Anemia

Question 36

Valves not closing properly (valve insufficiency) causes

Answer 36

Blood leaks back causing noise

Question 37

Valve insufficiency in seen old dogs

Answer 37

Mitral insufficiency | Lub-shh-dub

Question 38

Valve damage from a bacterial infection is seen in | Shh-shh-shh

Answer 38

Cows w hardware disease

Question 39

Valve insufficiency is seen in people with

Answer 39

Strep throat or rheumatic fever

Question 40

The connection between atrium in fetuses that closes after birth

Answer 40

Patent foramen ovale

Question 41

When the foramen ovale doesn’t seal after birth

Answer 41

Patent ductus arteriosus (PDA)

Question 42

Thickening of blood vessels

Answer 42

Stenosis

Question 43

What PDA sounds like

Answer 43

Constant noise, may feel thrill from blood turbulence

Question 44

Effects of stenosis on heart

Answer 44

Valve can’t open completely, increased noise due to blood having increased pressure going through a narrower opening

Question 45

What anemia is

Answer 45

Blood thin with fewer RBC’s | Blood less viscous

Question 46

When the heart valves don’t close properly, the heart pumps ___x as much blood

Answer 46

2

Question 47

Effect of PDA on animal

Answer 47

Unoxygenated blood circulating, animal is weak

Question 48

Effect of anemia

Answer 48

Animal becomes weak