Which assessment finding suggests that your laboring client's blood magnesium level is too high?
a. Hyperactive reflexes
b. Absent reflexes
c. Generalized seizure
d. Urine output of 60 mL/hr
ANS: B
Magnesium acts as a central nervous system depressant by blocking neuromuscular transmission. Assessment of the deep tendon reflexes is an indication of the level of CNS depression. Absent reflexes indicates magnesium toxicity; hyperactive reflexes, generalized seizure, and urine output of 60 mL/hr are not symptoms of magnesium toxicity.
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