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Author Question: What receptors are associated with causing coughing, sneezing, and tachypnea when stimulated? a. ... (Read 73 times)

Sportsfan2111

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on: Jul 16, 2018
What receptors are associated with causing coughing, sneezing, and tachypnea when stimulated?
 
  a. Irritant receptors
  b. J receptors
  c. Muscle spindles
  d. Peripheral proprioceptors

Question 2

What stimulates the Hering-Breuer inflation reflex?
 
  a. The DRG when it is time to end inspira-tory efforts.
  b. The stretch of receptors at high lung vol-umes.
  c. The VRG when it is time for inspiration.
  d. Very low lung volumes stimulate inspira-tion.


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lucas dlamini

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

ANS: A
Rapidly adapting irritant receptors in the epithelium of the larger conducting airways have vagal sensory nerve fibers. Their stimulation, whether by inhaled irritants or by mechanical factors, causes reflex bronchoconstriction, coughing, sneezing, tachypnea, and narrowing of the glottis.

Answer to Question 2

ANS: B
In adults, the Hering-Breuer reflex is activated only at large tidal volumes (800 to 1000 ml or more) and, apparently, it is not an important control mechanism in quiet breathing.


Sportsfan2111

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Reply 2 on: Jul 16, 2018
Gracias!

sultansheikh

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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