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Author Question: A patient is brought into the emergency department in status epilepticus. The nurse administers ... (Read 79 times)

codyclark

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on: Jul 23, 2018
A patient is brought into the emergency department in status epilepticus. The nurse administers phenobarbital 320 mg IV according to protocol. Family members ask the nurse how long it will take to stop the seizures.
 
  What is the nurse's best response? A) The onset of action for the medication is 5 minutes.
  B) We should see results in about 10 minutes.
  C) It will probably take about 30 minutes before the seizures begin to subside.
  D) It may be an hour before the seizures stop.

Question 2

When sodium gates open along the cell membrane and sodium rushes into the cell it results in the membrane no longer having a positive or negative side but being electrically the same on both sides.
 
  The nurse recognizes this period of the cardiac cycle as what? A) Depolarized
  B) Repolarized
  C) Polarity
  D) Action potential


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lgoldst9

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

A
Feedback:
The onset of IV phenobarbital is 5 minutes; however, it is important not to confuse when the onset of action will occur and when the seizures will stop because additional interventions may be needed to stop the seizure activity in some cases. For intramuscular and subcutaneous administration, the onset should be between 10 and 30 minutes. Onset for an oral dose is between 30 and 60 minutes.

Answer to Question 2

A
Feedback:
Phase 0 occurs when the cell reaches a point of stimulation. The sodium gates open along the cell membrane, and sodium rushes into the cell, resulting in a positive flow of electrons into the cellan electrical potential. This is called depolarization. The membrane no longer has a positive side or pole and a negative side; instead it is depolarized, or, in other words, electrically the same on both sides. During depolarization, the cells cannot be forced to contract. Repolarization is when the sodium returns to the outside of the cell and potassium returns to the inside of the cell and the muscle is ready to contract again. Action potential is the ability of the heart to respond to an electrical stimulus. Polarity is the electrical charge.


codyclark

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Reply #2 on: Jul 23, 2018
Both answers were spot on, thank you once again


lgoldst9

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Reply #3 on: Jul 23, 2018
Great! Please up vote :D


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