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Author Question: What is the effect when the deflation reflex is stimulated? a. A strong inspiratory effort b. ... (Read 32 times)

mckennatimberlake

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on: Jul 16, 2018
What is the effect when the deflation reflex is stimulated?
 
  a. A strong inspiratory effort
  b. Expiration is initiated
  c. Cuts off all inspiratory signals
  d. Stimulates the termination of expiration

Question 2

What reflex is associated with the sensory stimulation of the pulmonary stretch receptors that stimulate a deeper breath upon inspiration?
 
  a. Carotid
  b. Head's paradoxical
  c. Hering-Breuer
  d. J receptor


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bfulkerson77

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
Sudden collapse of the lung stimulates strong inspiratory efforts (deflation reflex).

Answer to Question 2

ANS: B
If the Hering-Breuer reflex is blocked by cooling the vagus nerve, lung hyperinflation causes a further increase in inspiratory effort, the opposite of the Hering-Breuer reflex. The receptors for this reflex are called rapidly adapting receptors, because they stop firing promptly after a volume change occurs. Head's reflex may help maintain large tidal volumes during exercise and may be involved in periodic deep sighs during quiet breathing.


mckennatimberlake

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Reply 2 on: Jul 16, 2018
:D TYSM

cici

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Reply 3 on: Yesterday
Excellent

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