A pregnant patient tells the nurse that she has been nauseated and vomiting. How will the nurse explain that hyperemesis gravidarum is distinguished from morning sickness?
a. Hyperemesis gravidarum usually lasts for the duration of the pregnancy.
b. Hyperemesis gravidarum causes dehydration and electrolyte imbalances.
c. Sensitivity to smells is usually the cause of vomiting in hyperemesis gravidarum.
d. The woman with hyperemesis gravidarum will have persistent vomiting without weight loss.
ANS: B
Dehydration and electrolyte imbalances result from persistent nausea and vomiting associated with hyperemesis gravidarum. Dehydration impairs the perfusion to the placenta.
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