Reactive bronchospasm and increased airway resistance can be ...

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Reactive bronchospasm and increased airway resistance can be caused by:
 
  a. warm humidity. c. aerosolized normal saline.
  b. warm aerosol. d. cold high-density aerosol.

Question 2

Which of the following statements is true about the use of a pressure metered dose inhaler with a valved holding chamber?
 
  a. This chamber cannot be used with infants.
  b. Infants can take up to 10 breaths.
  c. Shake the pressure metered dose inhaler and chamber separately.
  d. This device is only for adults and children over the age of 12.

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Answer to Question 1

ANS: D
The administration of cold high-density aerosols increases the risk of developing reactive bron-chospasm and increased airway resistance.

Answer to Question 2

ANS: B
A pressure metered dose inhaler with a valved holding chamber can be used by adults and in-fants. Adults will take 1 to 3 breaths, and infants can take up to 10 breaths. Shake the pressure metered dose inhaler with the chamber.

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