Frage 1
Frage
Describe the position of the heart within the mediastinum
Antworten
-
thoracic cavity
-
pleural cavity
Frage 2
Frage
Select Three functions of the CVS
Antworten
-
• Assists the production of the digestive and absorbtion system
-
• Transports fluids, nutrients, waste products, gases, and hormones throughout the body.
-
• Exchange materials between blood, cells and extracellular fluid.
-
• Plays a role in the immune response, blood pressure and the regulation of body temperature.
-
• Maintains optimal body temperature
Frage 3
Frage
Select Four components which comprise of the CVS
Antworten
-
heart
-
blood
-
capillary beds
-
blood vessels
-
lungs
-
larynx
Frage 4
Frage
Select Five components the CVS transports
Antworten
-
fluids
-
hormones
-
gases
-
waste products
-
nutrients
-
urine
-
chyne
Frage 5
Frage
Select Five functions of the Heart
Antworten
-
• Generating blood pressure – moves blood through vessels
-
• Changes to match need ie. exercise, sleeping
-
• Regulating blood supply
-
• Ensuring one-way blood flow
-
• Routing blood: separates pulmonary and systemic circulations
-
• Regulates hormones
Frage 6
Frage
The Heart – 2 pumps in 1 which are: (select two)
Antworten
-
Coronal circulation
-
Systemic circulation
-
Pulmonary circulation
-
Adrenal circulation
Frage 7
Frage
The shape of the heart consists of:
[blank_start]Apex[blank_end]: Blunt rounded point of cone
[blank_start]Base[blank_end]: Flat part at opposite of end of cone
Frage 8
Frage
The [blank_start]pericardial[blank_end] sac has two layers, a [blank_start]serous[blank_end] layer and a [blank_start]fibrous[blank_end] layer. It encloses the pericardial cavity which contains [blank_start]pericardial[blank_end] fluid.
Antworten
-
pericardial
-
myocardium
-
serous
-
parietal
-
fibrous
-
phrenic
-
pericardial
-
plasma
Frage 9
Frage
The [blank_start]Serous[blank_end] portion of Pericardium, consists of [blank_start]two[blank_end] layers, [blank_start]visceral[blank_end] and [blank_start]parietal[blank_end]. The space between the layers is the pericardial cavity.
Antworten
-
Serous
-
Fibrous
-
two
-
three
-
visceral
-
inner
-
parietal
-
myocardial
Frage 10
Frage
The Visceral Serous pericardium is situated to the [blank_start]Myocardium[blank_end] of the Heart.
Antworten
-
Myocardium
-
Epicardium
-
Endocardium
Frage 11
Frage
Walls of the Heart:
Three layers of tissue -
1. [blank_start]Epicardium[blank_end] : Serous membrane; smooth outer surface of heart
2. [blank_start]Myocardium[blank_end] : Middle layer composed of cardiac muscle cells – contractility
3. [blank_start]Endocardium[blank_end] : Smooth inner surface of heart chambers
Antworten
-
Epicardium
-
Myocardium
-
Endocardium
Frage 12
Frage
The Endocardium is the smooth inner surface of heart chambers
Frage 13
Frage
[blank_start]Pectinate muscles[blank_end] : muscular ridges in auricles and right atrial wall
[blank_start]Trabeculae carnae[blank_end] : muscular ridges and columns on inside walls of ventricles
Antworten
-
Pectinate muscles
-
Trabeculae carnae
Frage 14
Frage
Trabeculae carnae: muscular ridges and columns on inside walls of ventricles
Frage 15
Frage
Pectinate muscles: muscular ridges in auricles and right atrial wall
Frage 16
Frage
Pectinate muscles: muscular ridges and columns on inside walls of ventricles
Frage 17
Frage
Walls of the Heart Diagram:
1. [blank_start]Simple Squamous Epithelium[blank_end]
2. [blank_start]Loose connective and adipose tissue[blank_end]
3. [blank_start]Epicardium (Visceral)[blank_end]
4. [blank_start]Myocardium[blank_end]
5. [blank_start]Endocardium[blank_end]
6. [blank_start]Trabeculae carneae[blank_end]
Frage 18
Frage
The Heart chambers:
[blank_start]Atrioventricular canals[blank_end]: openings between atria and respective ventricles
[blank_start]Right ventricle[blank_end]: opens to pulmonary trunk
[blank_start]Left ventricle[blank_end]: opens to aorta – very muscular wall.
[blank_start]Interventricular septum[blank_end]: between the two ventricles.
Antworten
-
Atrioventricular valves
-
Right ventricle
-
Left ventricle
-
Interventricular septum
Frage 19
Frage
Right ventricle: opens to pulmonary trunk
Frage 20
Frage
Atrioventricular valves: openings between atria and their respective ventricles
Frage 21
Frage
Left ventricle: opens to aorta – very muscular wall
Frage 22
Frage
Blood Vessels - overview.
[blank_start]Arteries[blank_end] :
Elastic, Muscular, Arterioles
Take blood away from the heart
Contain blood under pressure
[blank_start]Capillaries[blank_end] :
site of exchange with tissues (interstitial fluid)
[blank_start]Veins[blank_end] :
Large, medium, small, venules
Take blood to the heart
Thinner walls than arteries, contain less elastic tissue less
smooth muscle
Valves to prevent backflow
Antworten
-
Arteries
-
Capillaries
-
Veins
Frage 23
Frage
Blood vessel diagram:
1. [blank_start]Tunica Adventitia[blank_end]
2. [blank_start]Tunica Media[blank_end]
3. [blank_start]Tunica Intima[blank_end]
Antworten
-
Tunica Adventitia
-
Tunica Media
-
Tunica Intima
Frage 24
Frage
Blood Vessels – arteries & veins:
- [blank_start]Tunica intima[blank_end]: Endothelium
- [blank_start]Tunica media[blank_end]: smooth muscle cells arranged circularly around the blood vessel.
- [blank_start]Vasoconstriction[blank_end]: smooth muscles contract, decrease in blood flow
- [blank_start]Vasodilation[blank_end]: smooth muscles relax, increase in blood flow
- [blank_start]Tunica externa (adventitia)[blank_end]: connective tissue
Frage 25
Frage
Select Five functions of blood
Antworten
-
Clot formation
-
Protection against foreign substances
-
Maintenance of body temperature
-
Regulation of pH and osmosis (normal pH 7.4)
-
Transport: gases, nutrients, waste products, processed molecules, hormones, enzymes
-
Absorption of nutrients
Frage 26
Frage
Blood consists of [blank_start]55%[blank_end] Plasma and [blank_start]45%[blank_end] formed elements
Frage 27
Frage
Plasma consists of [blank_start]7%[blank_end] Proteins, [blank_start]91%[blank_end] Water and [blank_start]2%[blank_end] Other solutes
Frage 28
Frage
The Proteins in Plasma consist of (select Three)
Antworten
-
Albumins 58%
-
Globulins 38%
-
Fibrinogen 4%
-
Neutrophils 4%
Frage 29
Frage
Other solutes in Blood consist of (select Five)
Antworten
-
Ions
-
Nutrients
-
Waste products
-
Gases
-
Regulatory substances
-
Globulins
-
Neutrophils
Frage 30
Frage 31
Frage
Cardiac cycle –
[blank_start]Systole[blank_end] - contraction of the ventricles, causes the ejection of blood into the aorta and pulmonary trunk
[blank_start]Diastole[blank_end] – when the heart muscle relaxes and allows the chambers to fill with blood, to refill each atrium and each ventricle
Frage 32
Frage
Stroke volume - the volume of blood pumped from the left ventricle in one contraction
Frage 33
Frage
The heart [blank_start]can[blank_end] generate it’s own action potentials.
Frage 34
Frage
The Sinoatrial node (SA) node is the heart's natural pacemaker. The SA node consists of a cluster of cells that are situated in the upper part of the wall of the [blank_start]right atrium[blank_end].
Frage 35
Frage
[blank_start]Atrioventricular node[blank_end]: The electrical relay station between the upper and lower chambers of the heart. The [blank_start]AV[blank_end] node, which controls the heart rate, sends electrical signals from the atria which must pass through the [blank_start]AV[blank_end] node to reach the ventricles.
Antworten
-
Atrioventricular node
-
Sinoatrial node
-
AV
-
SA
-
AV
-
SA
Frage 36
Frage
The mode of Capillary exchange is via [blank_start]Diffusion[blank_end]
Frage 37
Frage
Left Atrium: one of the four chambers of the heart, located on the left posterior side. Its primary roles are to act as a holding chamber for blood returning from the lungs
Frage 38
Frage
Right atrium: one of the four chambers of the heart, located on the left posterior side. Its primary roles are to act as a holding chamber for blood returning from the lungs
Frage 39
Frage
Deoxygenated blood enters the right atrium through the inferior and superior vena cava.
Frage 40
Frage
Deoxygenated blood enters the left atrium through the inferior and superior vena cava.
Frage 41
Frage
The Fibrous pericardium: tough fibrous outer layer, prevents over distention; acts as anchor.
Frage 42
Frage
Serous pericardium: thin, transparent, inner layer, simple squamous epithelium.
- Parietal pericardium: lines the fibrous outer layer
- Visceral pericardium: covers heart surface
Frage 43
Frage
Serous pericardium: thin, transparent, inner layer, simple squamous epithelium.
- Visceral pericardium: lines the fibrous outer layer
- Parietal pericardium: covers heart surface
Frage 44
Frage
The aortic valve is a valve in the human heart between the left ventricle and the aorta.
Frage 45
Frage
The bicuspid valve is a valve in the human heart between the left ventricle and the aorta.
Frage 46
Frage
The pulmonic valve is one of two valves that allow blood to leave the heart via the arteries. It is located in the right ventricle of the heart.
Frage 47
Frage
The tricuspid valve forms the boundary between the right ventricle and the right atrium.
Frage 48
Frage
The tricuspid valve forms the boundary between the left ventricle and the left atrium.
Frage 49
Frage
The bicuspid valve is situated between the left atrium and the left ventricle.
Frage 50
Frage
REMEMBER THIS FOR VALVES: This Assists Pushing Blood (from left to right)
Frage 51
Frage
Valves of the Heart:
1. [blank_start]Tricuspid[blank_end]
2. [blank_start]Aortic Semilunar[blank_end]
3. [blank_start]Pulmonary[blank_end]
4. [blank_start]Bicuspid[blank_end]
Antworten
-
Tricuspid
-
Aortic Semilunar
-
Pulmonary
-
Bicuspid
Frage 52
Frage
What is number 1 on the diagram?
Antworten
-
Tricuspid valve
-
Aortic semilunar valve
Frage 53
Frage
What is number 2 on the diagram?
Antworten
-
Aortic semilunar valve
-
Tricuspid valve
Frage 54
Frage
What is number 3 on the diagram?
Frage 55
Frage
What is number 4 on the diagram?
Frage 56
Frage
The pectinate muscles (musculi pectinati) are parallel ridges in the walls of the atria of the heart.
Frage 57
Frage
Tunica External is the external layer of the artery wall
Frage 58
Frage
The SA node is the heart's natural pacemaker. The SA node consists of a cluster of cells that are situated in the upper part of the wall of the right atrium
Frage 59
Frage
The NV node is the heart's natural pacemaker. The NV node consists of a cluster of cells that are situated in the upper part of the wall of the right atrium
Frage 60
Frage
The AV node, which controls the heart rate, is one of the major elements in the cardiac conduction system. The AV node serves as an electrical relay station, slowing the electrical current sent by the sinoatrial (SA) node before the signal is permitted to pass down through to the ventricles.
Frage 61
Frage
Tunica externa (adventitia): connective tissue
Frage 62
Frage
Tunica intima: smooth muscle cells arranged circularly around the blood vessel.
Frage 63
Frage
Tunica media: Endothelium