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PHSI3011 06-2 Thermoregulation

Gelöschter Nutzer 7 Fragen Aktualisiert am 10 Nov 2017

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Fragen in diesem Quiz (7)

  1. 1Hairy skin is innervated by [blank_start]__________[blank_end] nerves; whereas non-hairy skin is innervated by [blank_start]__________[blank_end].
    1. ABoth
    2. BVasoconstrictor
    3. CVasodilator
  2. 2Heat-induced increases in blood flow are due to [blank_start]__________[blank_end] of skin arterioles and [blank_start]__________[blank_end] of arteriovenous anastomoses.
    1. AVasodilation
    2. BVasoconstriction
    3. COpening up
    4. DClosing down
  3. 3[blank_start]__________[blank_end] is the (a?) neurotransmitter for vasodilator nerves, but nitric oxide mediates its vasodilator action. Cholinergic nerves that induce sweating may be the same ones that induce vasodilation. [blank_start]__________[blank_end] in sweat may also contribute to the vasodilation (via nitric oxide).
    1. AAcetylcholine
    2. BEpinephrine (/Adrenaline)
    3. CNorepinephrine (/Noradrenaline)
    4. DBradykinin
    5. EThyroxine
  4. 4During extreme heat, skin blood flow can [blank_start]__________[blank_end] from [blank_start]__________[blank_end] to [blank_start]__________[blank_end].
    1. AIncrease
    2. BDecrease
    3. C~300 mL/min
    4. D~800 mL/min
    5. E~3 L/min
    6. F~8 L/min
  5. 5What impact does dehydration have on the effectiveness of evaporative heat loss?
    1. AIt reduces it
    2. BIt greatens it
  6. 6During exercise, what happens to the Mean Skin Temperature?
    1. ANot much
    2. BIt drops
    3. CIt rises
  7. 7In response to increased “cold” receptor activity, the Autonomic and Somatomotor pathways both try to prevent hypothermia (/hypochondria?). How?
    Autonomic response → [blank_start]__________[blank_end];
    Somatomotor response → [blank_start]__________[blank_end];
    1. A↑ Heat conservation
    2. B↓ Heat conservation
    3. C↑ Heat production
    4. D↓ Heat production

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Beschreibung
PHSI3011 06-2 Thermoregulation
Autor
Gelöschter Nutzer
Sprache
English
Aufrufe
21
Verlauf
Erstellt am 10 Nov 2017 · aktualisiert am 10 Nov 2017
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