Quiz
Compendium 6 - How do things get around the body?
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1Describe the position of the heart within the mediastinum
- Athoracic cavity
- Bpleural cavity
2Select Three functions of the CVS
- A• Assists the production of the digestive and absorbtion system
- B• Transports fluids, nutrients, waste products, gases, and hormones throughout the body.
- C• Exchange materials between blood, cells and extracellular fluid.
- D• Plays a role in the immune response, blood pressure and the regulation of body temperature.
- E• Maintains optimal body temperature
3Select Four components which comprise of the CVS
- Aheart
- Bblood
- Ccapillary beds
- Dblood vessels
- Elungs
- Flarynx
4Select Five components the CVS transports
- Afluids
- Bhormones
- Cgases
- Dwaste products
- Enutrients
- Furine
- Gchyne
5Select Five functions of the Heart
- A• Generating blood pressure – moves blood through vessels
- B• Changes to match need ie. exercise, sleeping
- C• Regulating blood supply
- D• Ensuring one-way blood flow
- E• Routing blood: separates pulmonary and systemic circulations
- F• Regulates hormones
6The Heart – 2 pumps in 1 which are: (select two)
- ACoronal circulation
- BSystemic circulation
- CPulmonary circulation
- DAdrenal circulation
7The 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- AApex
- BBase
8The [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.
- Apericardial
- Bmyocardium
- Cserous
- Dparietal
- Efibrous
- Fphrenic
- Gpericardial
- Hplasma
9The [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.
- ASerous
- BFibrous
- Ctwo
- Dthree
- Evisceral
- Finner
- Gparietal
- Hmyocardial
10The Visceral Serous pericardium is situated to the [blank_start]Myocardium[blank_end] of the Heart.
- AMyocardium
- BEpicardium
- CEndocardium
11Walls 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- AEpicardium
- BMyocardium
- CEndocardium
12The Endocardium is the smooth inner surface of heart chambers
- ARichtig
- BFalsch
13[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- APectinate muscles
- BTrabeculae carnae
14Trabeculae carnae: muscular ridges and columns on inside walls of ventricles
- ARichtig
- BFalsch
15Pectinate muscles: muscular ridges in auricles and right atrial wall
- ARichtig
- BFalsch
16Pectinate muscles: muscular ridges and columns on inside walls of ventricles
- ARichtig
- BFalsch
17Walls 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]
- ASimple Squamous Epithelium
- BLoose connective and adipose tissue
- CEpicardium (Visceral)
- DMyocardium
- EEndocardium
- FTrabeculae carneae
18The 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.- AAtrioventricular valves
- BRight ventricle
- CLeft ventricle
- DInterventricular septum
19Right ventricle: opens to pulmonary trunk
- ARichtig
- BFalsch
20Atrioventricular valves: openings between atria and their respective ventricles
- ARichtig
- BFalsch
21Left ventricle: opens to aorta – very muscular wall
- ARichtig
- BFalsch
22Blood 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- AArteries
- BCapillaries
- CVeins
23Blood vessel diagram:
1. [blank_start]Tunica Adventitia[blank_end]
2. [blank_start]Tunica Media[blank_end]
3. [blank_start]Tunica Intima[blank_end]
- ATunica Adventitia
- BTunica Media
- CTunica Intima
24Blood 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- ATunica intima
- BTunica media
- CVasoconstriction
- DVasodilation
- ETunica externa (adventitia)
25Select Five functions of blood
- AClot formation
- BProtection against foreign substances
- CMaintenance of body temperature
- DRegulation of pH and osmosis (normal pH 7.4)
- ETransport: gases, nutrients, waste products, processed molecules, hormones, enzymes
- FAbsorption of nutrients
26Blood consists of [blank_start]55%[blank_end] Plasma and [blank_start]45%[blank_end] formed elements
- A55%
- B50%
- C45%
- D55%
27Plasma consists of [blank_start]7%[blank_end] Proteins, [blank_start]91%[blank_end] Water and [blank_start]2%[blank_end] Other solutes
- A7%
- B91%
- C91%
- D7%
- E2%
- F7%
28The Proteins in Plasma consist of (select Three)
- AAlbumins 58%
- BGlobulins 38%
- CFibrinogen 4%
- DNeutrophils 4%
29Other solutes in Blood consist of (select Five)
- AIons
- BNutrients
- CWaste products
- DGases
- ERegulatory substances
- FGlobulins
- GNeutrophils
30Hemoglobin is a
- Aprotein which attaches to Oxygen
- Bcarbohydrate which attaches to Oxygen
31Cardiac 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- ASystole
- BDiastole
32Stroke volume - the volume of blood pumped from the left ventricle in one contraction
- ARichtig
- BFalsch
33The heart [blank_start]can[blank_end] generate it’s own action potentials.
- Acan
- Bcan't
34The 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].
- Aright atrium
- Bleft atrium
35[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.
- AAtrioventricular node
- BSinoatrial node
- CAV
- DSA
- EAV
- FSA
36The mode of Capillary exchange is via [blank_start]Diffusion[blank_end]
- ADiffusion
- BOsmosis
37Left 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
- ARichtig
- BFalsch
38Right 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
- ARichtig
- BFalsch
39Deoxygenated blood enters the right atrium through the inferior and superior vena cava.
- ARichtig
- BFalsch
40Deoxygenated blood enters the left atrium through the inferior and superior vena cava.
- ARichtig
- BFalsch
41The Fibrous pericardium: tough fibrous outer layer, prevents over distention; acts as anchor.
- ARichtig
- BFalsch
42Serous pericardium: thin, transparent, inner layer, simple squamous epithelium.
- Parietal pericardium: lines the fibrous outer layer
- Visceral pericardium: covers heart surface- ARichtig
- BFalsch
43Serous pericardium: thin, transparent, inner layer, simple squamous epithelium.
- Visceral pericardium: lines the fibrous outer layer
- Parietal pericardium: covers heart surface- ARichtig
- BFalsch
44The aortic valve is a valve in the human heart between the left ventricle and the aorta.
- ARichtig
- BFalsch
45The bicuspid valve is a valve in the human heart between the left ventricle and the aorta.
- ARichtig
- BFalsch
46The 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.
- ARichtig
- BFalsch
47The tricuspid valve forms the boundary between the right ventricle and the right atrium.
- ARichtig
- BFalsch
48The tricuspid valve forms the boundary between the left ventricle and the left atrium.
- ARichtig
- BFalsch
49The bicuspid valve is situated between the left atrium and the left ventricle.
- ARichtig
- BFalsch
50REMEMBER THIS FOR VALVES: This Assists Pushing Blood (from left to right)
- ARichtig
- BFalsch
51Valves 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]
- ATricuspid
- BAortic Semilunar
- CPulmonary
- DBicuspid
52What is number 1 on the diagram?
- ATricuspid valve
- BAortic semilunar valve
53What is number 2 on the diagram?
- AAortic semilunar valve
- BTricuspid valve
54What is number 3 on the diagram?
- AAortic semilunar valve
- BPulmonary semilunar valve
55What is number 4 on the diagram?
- APulmonary semilunar valve
- BBicuspid valve
56The pectinate muscles (musculi pectinati) are parallel ridges in the walls of the atria of the heart.
- ARichtig
- BFalsch
57Tunica External is the external layer of the artery wall
- ARichtig
- BFalsch
58The 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
- ARichtig
- BFalsch
59The 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
- ARichtig
- BFalsch
60The 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.
- ARichtig
- BFalsch
61Tunica externa (adventitia): connective tissue
- ARichtig
- BFalsch
62Tunica intima: smooth muscle cells arranged circularly around the blood vessel.
- ARichtig
- BFalsch
63Tunica media: Endothelium
- ARichtig
- BFalsch
Informationen
- Beschreibung
- Compendium 6 HUMB 1000 - How do things get around the body?
- Autor
- Jessica Bulley
- Sprache
- English
- Aufrufe
- 96
- Schlagwörter
- Bewertung
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