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Author Question: A patient with a history of type 1 diabetes after myocardial infarction has been placed on a ... (Read 21 times)

robinn137

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on: Jul 24, 2018
A patient with a history of type 1 diabetes after myocardial infarction has been placed on a beta-adrenergic blocking agent. Which statement by the patient indicates a need for further teaching?
 
  a. This medication should not be discontinued suddenly.
  b. This medication lowers my blood pressure by helping me get rid of fluid.
  c. I may not have my usual symptoms of a hypoglycemic reaction while on this drug.
  d. This medication may take a few weeks to work.

Question 2

Which nerve endings liberate norepinephrine?
 
  a. Cholinergic
  b. Adrenergic
  c. Anticholinergic
  d. Muscarinic


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frejo

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Reply #1 on: Jul 24, 2018
Answer to Question 1

ANS: B
Beta-adrenergic blocking agents decrease the heart rate and dilate blood vessels to lower blood pressure. Sudden discontinuation of beta-adrenergic blocking agents may result in an exacerbation of angina symptoms. Beta-adrenergic blocking agents may mask symptoms of hypoglycemia. Beta-adrenergic blocking agents may take several days to weeks to show optimal improvement.

Answer to Question 2

ANS: B
Nerve endings that secrete norepinephrine are called adrenergic fibers. These nerve endings liberate acetylcholine. Anticholinergic describes the action of certain medications that inhibit the transmission of parasympathetic nerve impulses and thereby reduce spasms of smooth muscle (e.g., as in the bladder). Muscarinic receptors are those membrane bound acetylcholine receptors that are more sensitive to muscarine than to nicotine.


robinn137

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Reply 2 on: Jul 24, 2018
Excellent

ghepp

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Reply 3 on: Yesterday
Wow, this really help

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