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Author Question: An older adult patient, diagnosed with pernicious anemia, asks the nurse what causes this disorder. ... (Read 23 times)

mydiamond

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on: Jul 23, 2018
An older adult patient, diagnosed with pernicious anemia, asks the nurse what causes this disorder. The nurse's best response is that there is a lack of intrinsic factor secreted needed for absorption of vitamin B12 where?
 
  A) Large bowel
  B) Lower esophagus
  C) Stomach
  D) Small bowel

Question 2

What drug would the nurse expect to administer if beta-specific adrenergic agonist effects are desired to prevent bronchospasm during anesthesia?
 
  A) Dobutamine (Dobutrex)
  B) Ephedrine (generic)
  C) Isoproterenol (Isuprel)
  D) Phenylephrine (Neo-Synephrine)


harveenkau8139

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

D
Feedback:
Intrinsic factor, also secreted by the gastric mucosa, combines with dietary vitamin B12 so that the vitamin can be absorbed in the ileum, located in the small bowel. Other options are incorrect.

Answer to Question 2

C
Feedback:
Isoproterenol is a beta-specific adrenergic agonist used to prevent bronchospasm during anesthesia. Phenylephrine is an alpha-specific adrenergic agonist. Both dobutamine and ephedrine are alpha- and beta-adrenergic agonists.


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