The nurse knows that hydralazine, while magnesium sulfate will help prevent seizures, will help decrease blood pressure thus?
Improving kidney function.
Supporting liver health.
Preventing arrhythmias.
Lowering cholesterol levels.
The Correct Answer is A
Choice A rationale
Hydralazine decreases blood pressure by vasodilation, improving renal perfusion and function. Enhanced kidney function promotes diuresis, balancing fluid levels and reducing hypertension.
Choice B rationale
While controlling blood pressure indirectly benefits liver health, hydralazine's primary effect on vasodilation does not directly support liver function.
Choice C rationale
Hydralazine primarily lowers blood pressure through vasodilation. Preventing arrhythmias is more directly associated with medications affecting cardiac conduction rather than vasodilators.
Choice D rationale
Lowering cholesterol levels is not a direct effect of hydralazine. Its primary action is reducing blood pressure through vascular smooth muscle relaxation, decreasing hypertension.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Caput succedaneum is a benign swelling of the soft tissues of the scalp that crosses suture lines and does not require drainage.
Choice B rationale
Cephalhematoma is a collection of blood between the skull and periosteum that does not cross suture lines; it may contribute to jaundice as it is reabsorbed by the body.
Choice C rationale
While cephalhematoma usually resolves without intervention, it is important to monitor for potential complications, including jaundice, due to the breakdown of red blood cells.
Choice D rationale
Caput succedaneum typically resolves on its own without intervention, as the fluid is gradually absorbed by the body over time.
Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"C","dropdown-group-3":"E"}
Explanation
Acidemia: Acidemia refers to an abnormal acidity in the blood (pH < 7.35). Prolonged abnormal FHR patterns can indicate insufficient oxygen delivery to the fetus, leading to anaerobic metabolism and the production of lactic acid, causing acidemia. The normal fetal pH is around 7.30-7.35.
Hypoxemia: Hypoxemia is a reduced level of oxygen in the blood. Abnormal FHR patterns may signal that the fetus is not receiving adequate oxygen, potentially due to cord compression, placental insufficiency, or other factors affecting oxygen transfer. Normal oxygen saturation for a fetus is generally around 30-70%.
Hypoxia: Hypoxia is a condition where there is insufficient oxygen available to meet the metabolic needs of the fetus. Abnormal FHR patterns can indicate ongoing or impending hypoxia, which can lead to severe fetal distress and compromise. It is crucial to monitor and address such conditions promptly.
Rationale for Incorrect Answers:
Hypoglycemia: Hypoglycemia refers to low blood glucose levels (typically < 45 mg/dL in newborns). Abnormal FHR patterns are not directly associated with changes in glucose metabolism. Rather, hypoglycemia in neonates is often related to maternal diabetes, prematurity, or other metabolic disturbances.
Meconium Stool: Meconium-stained amniotic fluid is a possible indicator of fetal distress but is not a direct result of abnormal FHR patterns. Meconium passage may be associated with post-term pregnancy, fetal hypoxia, or other factors, but the direct consequences of abnormal FHR patterns are more specifically related to oxygenation and acid-base status.
Maternal Hypotension: Maternal hypotension, or low blood pressure (typically < 90/60 mm Hg), is a maternal condition that can affect fetal well-being if severe and prolonged. However, it is not a direct result of abnormal FHR patterns. Instead, maternal hypotension can contribute to abnormal FHR by impairing uteroplacental perfusion.
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