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Author Question: Catecholamines cannot be administered orally because: a. they have a long half-life. b. the ... (Read 74 times)

tiffannnnyyyyyy

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on: Jul 23, 2018
Catecholamines cannot be administered orally because:
 
  a. they have a long half-life.
  b. the effects would be excessively potent if the drugs were given by this route.
  c. the side effect profile prevents this route of administration.
  d. they are quickly destroyed by MAO and COMT.

Question 2

A nurse is caring for a patient who requires treatment with a beta blocker for hypertension. The patient has a history of asthma.
 
  The nurse should anticipate that the prescriber will order which of the following antihypertensive medications, taking into consideration the patient's health history? a. Metoprolol (Lopressor)
  b. Propranolol (Inderal)
  c. Pindolol (Visken)
  d. Carteolol (Cartrol)


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Cnarkel

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

d

Answer to Question 2

A
Metoprolol is preferred to the nonselective beta blockers for patients with asthma or diabetes.
Propranolol can cause blockade of beta2 receptors in the lungs, causing bronchoconstriction; it therefore is not recommended for patients with asthma.
Pindolol can cause blockade of beta2 receptors in the lungs, causing bronchoconstriction; it therefore is not recommended for patients with asthma.
Carteolol can cause blockade of beta2 receptors in the lungs, causing bronchoconstriction; it therefore is not recommended for patients with asthma.


tiffannnnyyyyyy

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Reply 2 on: Jul 23, 2018
Great answer, keep it coming :)

mjenn52

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Reply 3 on: Yesterday
Wow, this really help

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