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Physiology > CNS > Flashcards

CNS Flashcards

0
Q

Suprachiasmatic nucleus of hypothalamus

A

Regulates circadian rhythm

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1
Q

What happens with stimulation of the parasympathetic nervous system?

A
  1. Decreases heart rate
  2. Decreases force of contraction
  3. Constricts pupils
  4. Stimulates smooth muscle contraction
  5. Increases glandular secretion
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2
Q

Hyperventilation

A

Reduces carbon dioxide tension in the blood

Cerebral vasoconstriction - reducing cerebral blood flow - reducing intracranial pressure

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3
Q

Cushing’s reflex

A

Raised BP and bradycardia

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4
Q

C fibres

A

Mechanothermal stimuli

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5
Q

A gamma fibres

A

Motor proprioception (high intensity mechanical stimuli)

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6
Q

A beta fibres

A

Touch and pressure

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7
Q

B fibres

A

Autonomic

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Physiology (15 decks)

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