Heart

Question 1

How many chamber of the heart

Answer 1

4 2- atria and 2 ventricles

Question 2

Arteries

Answer 2

Move blood away from heart

Question 3

Veins

Answer 3

Blood toward the heart

Question 4

2 Major circulations

Answer 4

1) Systemic and 2) Pulmonary

Question 5

How many chamber does a frog have

Answer 5

3

Question 6

Red vs Blue

Answer 6

Red has O2

Question 7

Where is the Heart

Answer 7

In the mediastinum more on the LEFT side

Question 8

Apex of the heart

Answer 8

the Point bottom

Question 9

2 Layers or the Pericardium

Answer 9

1) Fibrous pericardium 2) Serous pericardium ( parietal pericardium and visceral pericardium

Question 10

Where is the pericardium Cavity between?

Answer 10

The Parietal and visceral pericardium

Question 11

Walls of the Heart (layers)

Answer 11

1) Epicardium (Visceral pericardium) (outer) 2) Myocardium(cardiac muscle) 3) endocardium(innermost)(areolar connective tissue)

Question 12

Cardiac muscle

Answer 12

1) 1-2 nuclei 2) branched fibers 3) Mitochondria 3) striated 4) intercalated discs

Question 13

Heart valves

Answer 13

Atrioventricular and Semilunar

Question 14

Atrioventricular valves

Answer 14

1) Tricuspid 2) Bicuspid(mitral)

Question 15

Semilunar valves

Answer 15

1) Pulmonary semilunar 2) Aortic Semilunar

Question 16

Fibrous Skeleton

Answer 16

1) Dense; irreg Ct between atria and ventricles 2) Anchors Valves 3) Prevents electrical activity from going atria to ventricles

Question 17

Right Atrium

Answer 17

1) Receives blood from systemic circulation 2) Interatrial septum(midline) 3) Fossa ovalis 4 pectinate muscles 4) auricle 4) blood flows through TRICUSPID to get to Right Ventricle

Question 18

Right Ventricle

Answer 18

1) Receives blood from Right Atrium 2) Interventricular septum 3) Trabeculae carnae 4) Papillary Muscles (3) 5) Chordae tenonea 6) Blood flows through right pulmonary SEMILUNAR valve to get to pulmonary trunk(lungs)

Question 19

Left Atrium

Answer 19

1) Receives blood from pulmonary VEINS 2) Pectinate muscles 3) Auricle 4) Blood flows through BICUSPID (mitral valve to get to LEFT ventricle6) NO fossa orals

Question 20

LEFT ventricle

Answer 20

1) Receives blood from left atrium 2) THICK wall 3) Trabeculae carnae 4) Papillary Muscles 2 5 Chordae tendineae

Question 21

When the heart contracts

Answer 21

Systole

Question 22

When hear relaxes

Answer 22

Diastole

Question 23

During Diastole how much blood fills ventricles

Answer 23

70%

Question 24

What tops off ventricles

Answer 24

Atria Contracting

Question 25

Cardiac conduction system is and how many parts

Answer 25

Autorphythmicity and 5 components

Question 26

5 Components in order of Cardiac conduction system

Answer 26

1) Sinoatrial (SA) node 2) Atrioventricular AV node 3) bundles of his 4) Bundle of branches 5) Purkinje fibers

Question 27

EKG

Answer 27

Electrocardiogram p-wave -> QRS complex then T wave

Question 28

The QRS complex

Answer 28

Depolarization of the ventricles.

Question 29

The P wave

Answer 29

The P wave depolarizes the cells of the atria.

Question 30

T Wave

Answer 30

Last The T wave is ventricular repolarization.

Question 31

Coronary Circulation

Answer 31

Right coronary artery and left coronary artery

Question 32

Right coronary artery

Answer 32

Marginal and posterior intraventricular

Question 33

Left coronary artery

Answer 33

1) Left anterior descending 2)Circumflex

Question 34

Coronary Veins

Answer 34

1) great cardiac FRONT Vein 2) Middle cardiac(back) vein 3) Small cardica vein(small)

Question 35

Coronary sinus

Answer 35

It dumps blood into right atrium from all three veins

Question 36

Schema

Answer 36

Lack of blood Flow

Question 37

ST Elevation EGK

Answer 37

Heart attack

Question 38

ventricular fibrillation

Answer 38

Use a defibrillation( heart attack waves on EKG)

Question 39

How is the heart inverted?

Answer 39

By both sympathetic and parasympathetic(rest)

Question 40

Resting heart rate

Answer 40

60-80 bc parasympathica

Question 41

SA Node beats?

Answer 41

90-100

Question 42

Max Heart Rate

Answer 42

220-Age