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Author Question: The lower respiratory system utilizes a number of different mechanisms that confer protection and ... (Read 95 times)

kamilo84

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on: Jul 23, 2018
The lower respiratory system utilizes a number of different mechanisms that confer protection and maintain homeostasis. Which of the following physiological processes protects the lower respiratory system?
 
  A) Goblet cells throughout the lower airways produce phagocytes that trap particles and microorganisms.
  B) The carina, where the trachea bifurcates into two bronchi, closes off the lower airway in response to noxious stimuli.
  C) The alveoli produce positive pressure in order to expel particles that have been inhaled.
  D) Cilia sweep foreign material and mucus upward toward the trachea and larynx where they can then be swallowed.

Question 2

A 28-year-old man calls the clinic to report that he has had difficulty sleeping for several nights. The nurse determines that the patient is taking dextroamphetamine for narcolepsy. The patient reports that he tries to go to bed by 10 PM each night.
 
  The nurse will advise the patient that the best time to take the medication would be at
  A) 8 AM
  B) 2 PM
  C) 6 PM
  D) 9 PM


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britb2u

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Reply #1 on: Jul 23, 2018
Answer to Question 1

D

Answer to Question 2

A


kamilo84

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Reply 2 on: Jul 23, 2018
Gracias!

bbburns21

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Reply 3 on: Yesterday
Excellent

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