A patient in the ICU is on a mechanical ventilator with an endotracheal tube. The patient begins trying to pull at the endotracheal tube and other tubing. The nurse administers a prn order for tu-bocurarine
The nurse can anticipate which of the following areas of the body will experience the effects of the medication first? a. The levator muscle of the eyelid and muscles of mastication
b. The muscles in the lower extremities
c. The muscles controlling the glottis
d. The muscles of respiration and the diaphragm
A
Although tubocurarine can paralyze all skeletal muscles, not all muscles are affected at once. The first to become paralyzed are the levator muscle of the eyelid and the muscles of mastication.
Paralysis occurs next in muscles of the limbs, abdomen, and glottis as a result of the administra-tion of tubocurarine.
The last muscles affected by the administration of tubocurarine are the muscles of respiration, including the intercostals and diaphragm.
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