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Author Question: The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n) A) ... (Read 93 times)

saliriagwu

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on: Feb 28, 2019
The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n)
 A) debris filter.
  B) mucus escalator.
  C) respiratory rhythmicity center.
  D) smooth slick surface allowing particles to slide.
  E) increased surface area for gas exchange.

Question 2

An inhaler used to treat airway constriction in asthma or allergy might contain a drug that
 A) activates 1 adrenergic receptors.
  B) activates 2 adrenergic receptors.
  C) activates muscarinic cholinergic receptors.
  D) blocks 2 adrenergic receptors.
  E) activates 2 adrenergic receptors or activates muscarinic cholinergic receptors.


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jaygar71

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Reply #1 on: Feb 28, 2019
Answer to Question 1

B

Answer to Question 2

B


saliriagwu

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Reply #2 on: Feb 28, 2019
Thank you!


jaygar71

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Reply #3 on: Feb 28, 2019
Always glad to help...


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