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.
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.
You might also like to view...
Ali, an RN on your unit, is consistently late to work and makes remarks such as "Do you really want me to do that?" when patients and care are assigned to her. You have spoken with her fre-quently about her:
a. Ability. b. Skills. c. Attitude. d. Personal issues.
A female patient is beginning androgen therapy. When counseling about possible adverse effects, the nurse should include which possible effects? You may select more than one answer
a. Deeper voice b. Breast enlargement c. Menstrual cramps d. Decreased libido e. Facial hair
The nurse is caring for a man diagnosed with testicular cancer. Surgery is scheduled in 1 week. Which of the following statements indicates the patient understands the education provided?
1. "I will likely be given an enema in the hours preceding my surgery.". 2. "I may use aspirin during the period leading up to my surgery.". 3. "I should not take my insulin in the days leading up to surgery.". 4. "Ibuprofen is an acceptable over-the-counter preparation to take in the days before my surgery if I need it.".
Which of the following is a shortcoming associated with a SWOT analysis?
A. Highly subjective process B. Too much focus on long-term strategic goals C. Hard to compare SWOT analyses due to lack of metrics D. A and C E. All of the above