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PHSI3011 07-1 Cardiorespiratory adaptation to high altitude

Michael Jardine 10 preguntas Actualizado el 10 nov 2017

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Este test tiene tipos de pregunta que se abren en el reproductor de siempre.

Preguntas del test (10)

  1. 1Label the following:Imagen de la pregunta 1
    1. AAtmospheric air
    2. BInspired air
    3. CAlveolar gas
    4. DArterial blood
    5. EMixed venous blood
  2. 2True or false: Hypoxia (measured in the Carotid artery) triggers an increase in respiratory activity, which in turn increases ventilation. In response to the nasopharyngeal (diving) reflex (yeah, wrong lecture. whatevs), this is absent.
    1. AVerdadero
    2. BFalso
  3. 3True or false: Pulmonary stretch receptors influence the cardiovascular system as part of the Hering-Breuer reflex.
    1. AVerdadero
    2. BFalso
  4. 4Hypoxia causes both EXCITATION (secondarily, from pulmonary stretch receptor activity) and INHIBITION (primarily, from chemoreceptor activity) of HR.
    At high altitude altitude, what is the NET effect?
    1. AExcitation
    2. BInhibition
  5. 5Hypoxia causes both EXCITATION (secondarily, from pulmonary stretch receptor activity) and INHIBITION (primarily, from chemoreceptor activity) of Vascular Resistance.
    At high altitude altitude, what is the NET effect?
    1. AExcitation (so secondary vasoconstriction)
    2. BInhibition (so primary vasodilation)
    3. CExcitation (so primary vasoconstriction)
    4. DInhibition (so secondary vasodilation)
    5. EExcitation (so primary vasodilation)
    6. FInhibition (so primary vasoconstriction)
    7. GExcitation (so secondary vasodilation)
    8. HInhibition (so secondary vasoconstriction)
  6. 6The NTS is where the quite a few of the baroreceptors and chemoreceptors lead to. What is it, though?
    NTS = ??
    1. ANucleus of Solitary Tract (NTS)
    2. BNucleus Tractus Solitarii (NTS)
  7. 7Fill in the two arrows.Imagen de la pregunta 7
    1. A↑
    2. B↓
  8. 8What is it that moves the curve to the blue one?Imagen de la pregunta 8
    1. A2-DPG
    2. BErythropoietin
  9. 9Over prolonged exposure to high altitude (a few days or more), production of __________ increases. The effect of this is to maintain O2 unloading in capillaries, despite reduction in inspired PO2.
    1. A2-DPG
    2. B2-BPG
    3. C2,3-DPG
    4. D2,3-BPG
    5. ERBC production
  10. 10Hypoxia at high altitude results in [blank_start]__________[blank_end] Blood-brain barrier permeability and Cerebral [blank_start]__________[blank_end].
    1. AIncreased
    2. BDecreased
    3. CVasodilation
    4. DVasoconstriction

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Descripción
PHSI3011 07-1 Cardiorespiratory adaptation to high altitude
Idioma
English
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98
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Creado el 10 nov 2017 · actualizado el 10 nov 2017
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