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Author Question: Spinal anesthesia using procaine has been ordered for a patient prior to revision of the patient's ... (Read 56 times)

TVarnum

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on: Jul 23, 2018
Spinal anesthesia using procaine has been ordered for a patient prior to revision of the patient's ankle hardware. This drug achieves anesthesia by
 
  A) preventing the influx of sodium into nerve cells.
  B) increasing the action of anticholinesterase in nerve synapses.
  C) antagonizing nociceptors.
  D) agonizing opioid receptors in the CNS.

Question 2

A patient who suffers from asthma is given theophylline. Theophylline will have an increased effect if taken with
 
  A) Ritalin.
  B) atomoxetine (Strattera).
  C) modafinil (Provigil).
  D) caffeine.


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Melissahxx

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

A
Feedback:
Procaine decreases the influx of sodium into the nerve cell and depresses depolarization to prevent conduction of the nerve impulse. It does not alter the function of nociceptors, opioid receptors, or anticholinesterase.

Answer to Question 2

D
Feedback:
Caffeine increases the effects of theophylline. Ritalin, Provigil, and Strattera are noted to have this effect.


TVarnum

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Reply 2 on: Jul 23, 2018
Thanks for the timely response, appreciate it

ashely1112

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Reply 3 on: Yesterday
Excellent

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