A nurse assesses a client in labor and suspects dysfunctional labor (hypotonic uterine dysfunction). The woman's membranes have ruptured and fetopelvic disproportion is ruled out.
Which intervention would the nurse expect to include in the plan of care for this client?
Encouraging the woman to assume a hands-and-knees position.
Providing a comfortable environment with dim lighting.
Administering oxytocin.
Preparing the woman for an amniotomy.
The Correct Answer is C
Choice A rationale
Encouraging a hands-and-knees position may help rotate a malpositioned fetus or relieve back pain, but it does not directly address hypotonic uterine dysfunction, which is characterized by weak, ineffective contractions. While it can improve maternal comfort and potentially aid in fetal descent if malpositioning is a contributing factor to slow labor progress, it will not augment the strength or frequency of contractions necessary for cervical dilation.
Choice B rationale
Providing a comfortable environment with dim lighting can promote relaxation and potentially enhance the progress of labor in cases of hypertonic uterine dysfunction (uncoordinated, painful contractions). However, in hypotonic dysfunction, the issue is a lack of adequate uterine muscle activity. While comfort measures are always important, they do not directly stimulate stronger contractions.
Choice C rationale
Administering oxytocin is the primary medical intervention for hypotonic uterine dysfunction. Oxytocin is a synthetic hormone that stimulates uterine smooth muscle to contract more frequently and with greater intensity. This augmentation of uterine activity aims to establish an effective labor pattern, leading to cervical dilation and fetal descent when fetopelvic disproportion has been ruled out.
Choice D rationale
Preparing for an amniotomy (artificial rupture of membranes) might be considered to augment labor if the membranes are intact. However, the question states the membranes have already ruptured. Amniotomy can sometimes stimulate contractions by releasing prostaglandins, but it is not the first-line intervention for established hypotonic dysfunction after membrane rupture, and oxytocin is generally more effective in this situation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Hydralazine is an antihypertensive medication used to manage hypertension, not preterm labor. Administering hydralazine would be inappropriate for a client in preterm labor unless she also has hypertension.
Choice B rationale
Preparing the client for immediate delivery based solely on a lecithin-to-sphingomyelin (L/S) ratio of 1: is premature. An L/S ratio of 2: or greater is generally indicative of fetal lung maturity. A ratio of 1: suggests lung immaturity, and interventions to promote lung maturity are indicated.
Choice C rationale
Infusing a bolus of IV fluids might be considered for hydration in preterm labor, but it does not directly address the issue of fetal lung immaturity indicated by the low L/S ratio. While hydration can help manage preterm contractions in some cases, it is not the primary intervention to improve fetal lung maturity.
Choice D rationale
Administering betamethasone, a corticosteroid, is the appropriate action for a client in preterm labor with a low L/S ratio (1:). Betamethasone crosses the placenta and stimulates the production of surfactant in the fetal lungs, accelerating lung maturity and reducing the risk of respiratory distress syndrome in the preterm infant. The typical dose is 12 mg IM, given in two doses 24 hours apart. .
Correct Answer is D
Explanation
Choice A rationale
Rapid plasma regain is not a standard laboratory test associated with hyperemesis gravidarum. Hyperemesis gravidarum involves significant fluid and electrolyte losses, but rapid plasma regain is not a specific indicator of this condition.
Choice B rationale
A urine culture is used to detect the presence of bacteria in the urine, typically to diagnose a urinary tract infection. While dehydration from hyperemesis gravidarum can increase the risk of a UTI, a urine culture is not a primary anticipated laboratory test for hyperemesis itself.
Choice C rationale
Prothrombin time (PT) is a blood test that measures how long it takes blood to clot. It is used to assess coagulation and is not directly related to the metabolic and electrolyte imbalances caused by hyperemesis gravidarum.
Choice D rationale
Urine ketones are a byproduct of fat breakdown for energy, which occurs when the body is not getting enough glucose. In hyperemesis gravidarum, persistent vomiting can lead to dehydration and starvation, forcing the body to break down fat for energy, resulting in ketonuria (ketones in the urine).
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