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Author Question: A patient who suffered a laceration while doing woodwork in his garage will have his wound treated ... (Read 62 times)

Bernana

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on: Jul 23, 2018
A patient who suffered a laceration while doing woodwork in his garage will have his wound treated under local anesthesia achieved using lidocaine and epinephrine.
 
  The nurse who will assist with the procedure should recognize that epinephrine performs what function in this situation? A) Promoting vasodilation
  B) Prolonging the effects of lidocaine
  C) Preventing adverse effects of lidocaine
  D) Blocking the afferent nerve pathways

Question 2

A patient who is being cared for in the intensive care unit (ICU) is receiving desmopressin. In light of the black box warning that accompanies this drug, the ICU nurse should prioritize the assessment of which of the patient's laboratory values?
 
  A) Hematocrit
  B) Platelets
  C) Sodium
  D) Calcium


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stillxalice

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

B
Feedback:
Lidocaine has a rapid effect, and, when combined with epinephrine, this effect is prolonged. Epinephrine can promote vasoconstriction, not vasodilation, and it neither prevents adverse effects nor blocks afferent nerve pathways.

Answer to Question 2

C
Feedback:
The FDA has issued a black box warning stating that patients taking desmopressin can develop hyponatremia, leading to seizures. Consequently, assessment of sodium levels takes precedence over hematocrit, calcium, and platelet levels.


Bernana

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

LVPMS

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Reply 3 on: Yesterday
Wow, this really help

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