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Cardiovascular

Kissa Walker 9 questions

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Questions in this quiz (9)

  1. 1[blank_start]Macrovasculature[blank_end] - large arterioles, muscular and elastic arteries; muscular veins
    [blank_start]Microvasculature[blank_end] - interchange between blood and tissues of arterioles, capillaries, and post-capillary venules
    1. AMacrovasculature
    2. BMicrovasculature
  2. 2Endothelium - specialized [blank_start]simple squamous[blank_end] epithelium; [blank_start]semipermeable[blank_end] barrier between blood and interstitial fluid; mediates and monitors the exchange of small [blank_start]molecules[blank_end]; other functions - conversions, lipolysis, production, action
    1. Asimple squamous
    2. Bsemipermeable
    3. Cmolecules
  3. 3Tunica [blank_start]intima[blank_end] = epithelium - one layer of [blank_start]endothelial[blank_end] cells, some arteries have elastic lamina - fenestrae = diffusion
    Tunica [blank_start]media[blank_end] = smooth [blank_start]muscle[blank_end] - concentric layers of muscle, elastic and reticular fibers, some arteries have [blank_start]external[blank_end] elastic lamina
    Tunica [blank_start]adventitia[blank_end] = [blank_start]connective[blank_end] tissue - collagen type 1 and elastic fibers, vasa vasorum
    1. Aintima
    2. Bendothelial
    3. Cmedia
    4. Dmuscle
    5. Eexternal
    6. Fadventitia
    7. Gconnective
  4. 4smooth muscle present in [blank_start]tunica media[blank_end] of all vessels except [blank_start]capillaries[blank_end] and [blank_start]pericytic venules[blank_end]
    smooth muscle cells connected by [blank_start]gap junctions[blank_end] in [blank_start]arterioles[blank_end] and small [blank_start]arteries[blank_end]
    1. Atunica media
    2. Bcapillaries
    3. Cpericytic venules
    4. Dgap junctions
    5. Earterioles
    6. Farteries
  5. 5Arteries:
    [blank_start]large elastic[blank_end] - aorta and branches; elastic lamina stabilize blood flow; T. intima thickest of all arteries
    [blank_start]medium muscular[blank_end] - T. intima has prominent IEL; T. media 40 layers of smooth muscle and larger have EEL; T. adventitia defined
    [blank_start]arterioles[blank_end] - T. media less than 5 layers of smooth muscle
    1. Alarge elastic
    2. Bmedium muscular
    3. Carterioles
  6. 6[blank_start]Carotid Bodies[blank_end]: [blank_start]chemoreceptors[blank_end] - sense high CO2, low O2 tension, acid pH; nerves are afferent; fenestrated capillaries in cells
    [blank_start]Carotid Sinus[blank_end]: [blank_start]baroreceptors[blank_end] - senses changes in blood pressure; tunica media thinner; T. media and T. adventitia rich in nerve endings; afferent impulses are processed by CNS to control vasoconstriction
    [blank_start]Capillaries[blank_end] - structure permits varying levels of metabolic exchange - continuous or [blank_start]somatic[blank_end], fenestrated or [blank_start]visceral[blank_end], discontinuous or [blank_start]sinusoidal[blank_end]; one or two endothelial cells and the basal lamina; pericytes; [blank_start]arteriovenous anastomoses[blank_end] - regulate blood pressure, flow; temperature; exchange vessels
    1. ACarotid Bodies
    2. BCarotid Sinus
    3. Cchemoreceptors
    4. Dbaroreceptors
    5. ECapillaries
    6. Fsomatic
    7. Gvisceral
    8. Hsinusoidal
    9. Iarteriovenous anastomoses
  7. 7Veins and Lymphatics:
    [blank_start]venules[blank_end] - irregular, collapsed lumen; a few smooth muscle cells
    [blank_start]small to medium[blank_end] - T. intima [blank_start]thin[blank_end]; T. media [blank_start]small bundles of muscle cells[blank_end], reticular and elastic fibers; T. adventitia [blank_start]well developed[blank_end]
    [blank_start]large[blank_end] - venous trunks close to the heart; [blank_start]T. intima[blank_end] well developed; T. media few layers of muscle and [blank_start]connective tissue[blank_end]; T. adventitia [blank_start]thick[blank_end] with long bundles of smooth muscle
    1. Avenules
    2. Bsmall to medium
    3. Cthin
    4. Dsmall bundles of muscle cells
    5. Ewell developed
    6. Flarge
    7. GT. intima
    8. Hconnective tissue
    9. Ithick
  8. 8Heart:
    [blank_start]endocardium[blank_end] = T. intima
    [blank_start]myocardium[blank_end] = T. media
    [blank_start]epicardium[blank_end]= T. adventitia
    [blank_start]sinoatrial node[blank_end] = pacemaker
    [blank_start]atrioventricular node[blank_end] = network of cytoplasmic projections
    [blank_start]atrioventricular bundle[blank_end] = [blank_start]purkinje fibers[blank_end] = impulse conducting
    1. Aendocardium
    2. Bmyocardium
    3. Cepicardium
    4. Dsinoatrial node
    5. Eatrioventricular node
    6. Fatrioventricular bundle
    7. Gpurkinje fibers
  9. 9[blank_start]Atherosclerotic Lesions[blank_end]:
    antithrombogenic function of the endothelium lost
    aging connective tissue
    obstruction of the vessel by atherosclerotic plaque
    thrombosis at the location of the lesion

    [blank_start]Aneurysm[blank_end] - localized dilation of arterial wall
    1. AAtherosclerotic Lesions
    2. BAneurysm

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Description
biology SPOM (Celleular Anatomy) Quiz on Cardiovascular, created by Kissa Walker on 28/09/2015.
Language
English
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