Cardiology ❤️

Question 1

What are the two layers of the pericardium?

Answer 1

Fibrous pericardium and serous pericardium

Question 2

The right atrium receives _______ blood.

Answer 2

Deoxygenated

Question 3

The venae cavae empty into the ________.

Answer 3

Right atrium

Question 4

After collecting in the right atrium, blood passes through the _______

Answer 4

Right atrioventricular valve

Question 5

The right AV valve is also known as…

Answer 5

Tricuspid valve

Question 6

During systole, the _________ contracts and the ________ closes

Answer 6

Right ventricle contracts, tricuspid (right AV) valve closes

Question 7

After the tricuspid valve closes (right AV), blood is ejected from the right ventricle through the ______ and into the ________

Answer 7

Through the pulmonary valve and into the pulmonary arteries

Question 8

From the pulmonary arteries, blood passes through branching vessels to the pulmonary capillaries of the aveoli, where what takes place?

Answer 8

Oxygen exchange

Question 9

What delivers blood to the left atrium?

Answer 9

Pulmonary veins

Question 10

Blood that has collected in the left atrium flows through the ______

Answer 10

Left atrioventricular valve

Question 11

The left atrioventricular valve is also known as…

Answer 11

Mitral valve

Question 12

During systole, the mitral valve snaps shut as the ventricle contracts and ejects blood through what structure?

Answer 12

Aortic valve

Question 13

What is the largest artery in the body?

Answer 13

Aorta

Question 14

Blood flows from the right atrium to the right ventricle through the _______

Answer 14

Right AV valve (tricuspid valve)

Question 15

During _____, the heart muscle contracts and blood is ejected from the atria to the ventricles and then from the ventricles to the arteries

Answer 15

During systole

Question 16

During _____, the heart relaxes and refills with blood to be ejected during the next systolic contraction

Answer 16

Diastole

Question 17

Where does the impulse for a heartbeat come from?

Answer 17

Sinoatrial node (SA node)

Question 18

Where is the SA node located?

Answer 18

In the right atrium

Question 19

The pacemaker of the heart is known as the…

Answer 19

SA node

Question 20

Depolarization of the heart is known as… (Systole or diastole)

Answer 20

Systole

Question 21

Re polarization of the heart is known as… (Systole or diastole)

Answer 21

Diastole

Question 22

What happens when the electrical impulse passes through the cardiac muscle?

Answer 22

The muscle contracts

Question 23

The bundle of His fibers travel down the interventricular septum to the bottom end of the left and right ventricles. And the ______ fibers carry the impulses from the bundle of His up into the ventricular myocardium.

Answer 23

Purkinje fibers

Question 24

“Lub” in “lub-dub” is properly called…

Answer 24

S1

Question 25

"Dub" in "lub-dub" is properly known as...

Answer 25

S2

Question 26

_____ is associated with sinultaneous closure of the mitral valve and tricuspid calves at the beginning of ventricular systole

Answer 26

S1 (lub)

Question 27

The S2 heart sound (dub) is associated with what?

Answer 27

Associated with the closure of the semilunar valves at the beginning of ventricular diastole

Question 28

Which side of the chest is the aortic valve easiest to hear on?

Answer 28

Easier to hear in the left side of the chest

Question 29

Heart sounds S3 and S4 are heard on what animals?

Answer 29

Large animals

Question 30

What is heart sound S3 due to?

Answer 30

Due to rapid ventricular filling in large animals

Question 31

What is heart sound S4 due to?

Answer 31

Due to contraction of the atria in large animals

Question 32

The amount of blood that leaves the heart is known as

Answer 32

Cardiac output

Question 33

Cardiac output is determined by what two factors?

Answer 33

Stroke volume and heart rate

Question 34

The amount of blood ejected with each cardiac contraction is known as

Answer 34

Stroke volume

Question 35

How often the heart contracts is known as

Answer 35

Heart rate

Question 36

A dogs heart ejects 2mL of blood into the aorta with each systolic contraction and its heart rate is 100 beats per minute, what is the animals cardiac output?

Answer 36

``` CO= stroke volume X heart rate CO= 2mL/min (SV) X 100 beats/min (HR) CO= 200mL/min ```

Question 37

What is the instrument that measures electrical current using metal electrodes attached to the skin to produce an ECG/EKG?

Answer 37

Electrocardiograph

Question 38

The bump on an ECG associated with the depolarization of the atria is the...

Answer 38

P wave

Question 39

The wave on the ECG created by the ventricular depolarization is

Answer 39

QRS complex

Question 40

The wave on the ECG associated with the repolarization of the ventricles is the

Answer 40

T wave

Question 41

Name the outer layer of the heart

Answer 41

Pericardium