A nurse is instructing a female client on how to check her basal body temperature to determine if she is ovulating. The nurse should instruct the client to check her temperature at which of the following times?
1 hour following intercourse
Every morning before arising
Before going to bed every night
On days 13 to 17 of her menstrual cycle
The Correct Answer is B
Choice A reason:
Checking basal body temperature 1 hour following intercourse is not recommended as a method to determine ovulation. Intercourse and physical activity can increase body temperature, which may lead to inaccurate readings. Basal body temperature should be measured after a period of rest, not after physical activity.
Choice B reason:
The basal body temperature method involves measuring the body's at-rest temperature to identify slight changes that occur around the time of ovulation. It is most accurate when taken every morning before getting out of bed, after at least 3 hours of uninterrupted sleep, and before any physical activity, including eating or drinking. A slight increase in basal body temperature typically occurs after ovulation and remains elevated until the next menstrual period. This method requires consistency and precise timing to be effective.
Choice C reason:
Measuring basal body temperature before going to bed every night is not an effective way to track ovulation. The body's temperature fluctuates throughout the day due to various factors, including activity levels, meals, and external temperatures. Therefore, nighttime measurements would not provide the consistent, resting temperature needed to accurately detect ovulation.
Choice D reason:
While it is true that ovulation typically occurs around the middle of the menstrual cycle, which for many women is between days 13 to 17, limiting temperature checks to these days only may miss the initial rise in temperature that indicates ovulation. Ovulation can vary from cycle to cycle, and it is important to measure basal body temperature daily to detect the pattern over time.
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Correct Answer is D
Explanation
Choice a reason:
Temperature monitoring is important in preterm labor to detect infections or inflammations that could complicate the pregnancy. However, while maternal temperature is a vital sign that should be monitored, it is not the priority in this context. The priority is to assess the well-being of the fetus, which is directly indicated by the FHR.
Choice b reason:
Bowel sounds are assessed to ensure gastrointestinal function and to detect potential complications such as ileus or bowel obstruction. In the context of preterm labor, while bowel sounds are part of a comprehensive assessment, they are not the priority over fetal well-being and maternal respiratory status, especially when administering magnesium sulfate, which does not primarily affect gastrointestinal function.
Choice c reason:
Respiratory rate is a critical assessment when administering magnesium sulfate due to the risk of respiratory depression as a side effect of the medication. It is essential to monitor because maternal oxygenation directly affects fetal oxygenation. However, the FHR is a more direct measure of fetal distress and therefore takes priority in this specific assessment.
Choice d reason:
Fetal heart rate (FHR) monitoring is the priority nursing assessment when administering magnesium sulfate IV to a client in preterm labor. Magnesium sulfate can affect uterine contractions and, by extension, fetal oxygenation and well-being. FHR is the most direct indicator of fetal distress, which can occur if the uterus becomes too relaxed and compromises placental blood flow or if there are side effects affecting the mother's cardiovascular status. Therefore, continuous monitoring of FHR is crucial to ensure the fetus is not experiencing distress.
Correct Answer is C
Explanation
Choice a reason:
Placing the client in the Trendelenburg position, which involves lying on the back with the feet higher than the head, is not indicated for the symptoms presented. This position is typically used to treat hypotension or improve venous return to the heart, not for respiratory depression or absent deep-tendon reflexes, which are signs of magnesium sulfate toxicity.
Choice b reason:
Assessing maternal blood glucose is important in the overall care of a preeclamptic patient, especially if there is a concern for gestational diabetes. However, it is not the immediate action required when a patient exhibits signs of magnesium sulfate toxicity, such as a respiratory rate of 10/min and absent deep-tendon reflexes.
Choice c reason:
Discontinuing the medication infusion is the correct action. A respiratory rate of 10/min and absent deep-tendon reflexes are signs of magnesium sulfate toxicity. Immediate cessation of the drug is necessary to prevent further complications, such as respiratory depression or cardiac arrest. After stopping the infusion, the nurse should monitor the patient closely and prepare to administer calcium gluconate, the antidote for magnesium sulfate toxicity, if ordered by the physician.
Choice d reason:
Preparing for an emergency cesarean birth may be necessary if the fetus is in distress or if there are other obstetric indications. However, the information provided does not indicate fetal distress or an immediate need for delivery. The priority is addressing the signs of magnesium sulfate toxicity in the mother.
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