A nurse is planning care for a client who is scheduled for a cesarean birth.
Which of the following interventions should the nurse include in the plan of care?
Apply sequential compression devices prior to the procedure.
Insert an indwelling urinary catheter immediately following the procedure.
Initiate oxytocin via continuous IV infusion prior to the procedure.
Perform a surgical timeout while the client is in the preoperative holding area.
The Correct Answer is A
Choice A rationale
Sequential compression devices (SCDs) are applied preoperatively to promote venous return and prevent venous stasis in the lower extremities, significantly reducing the risk of deep vein thrombosis (DVT) and subsequent pulmonary embolism (PE), which are critical concerns during and after major surgery like a cesarean birth. Prophylaxis should commence before the operation for maximal effect.
Choice B rationale
An indwelling urinary catheter is typically inserted prior to the cesarean section, after the client receives regional anesthesia, to ensure the bladder is empty during the procedure, preventing injury to the bladder by the surgeon and maintaining a clear surgical field. It is not delayed until immediately following the procedure.
Choice C rationale
Oxytocin is a uterotonic agent administered post-delivery of the placenta (not prior to the procedure) via continuous IV infusion to stimulate uterine contractions, which is crucial for preventing postpartum hemorrhage by promoting myometrial contraction and vessel constriction.
Choice D rationale
The surgical timeout, a critical patient safety measure that verifies the correct patient, procedure, and surgical site, is performed by the entire surgical team immediately prior to the incision, typically after the client enters the operating room and is prepped, not while they are in the preoperative holding area.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Oxygen is typically administered for fetal distress or maternal hypoxemia, not routinely for pain management or epidural preparation. The priority before an epidural is often to stabilize maternal blood pressure, as the procedure frequently causes vasodilation and subsequent hypotension due to sympathetic blockade.
Choice B rationale
A key side effect of epidural anesthesia is hypotension caused by peripheral vasodilation from sympathetic nerve blockade. Administering a pre-procedure intravenous (IV) fluid bolus (e.g., normal saline or lactated Ringer's) increases circulating blood volume, effectively helping to minimize the risk and severity of this common hemodynamic change.
Choice C rationale
Ondansetron is a serotonin antagonist primarily used to treat nausea and vomiting. While sometimes used for these side effects in labor, it is not the priority action before an epidural. Fluid administration to prevent hypotension is the critical immediate prophylactic measure required for maternal safety.
Choice D rationale
While epidurals are commonly placed in the active phase of labor (usually 4 to 5 cm dilation or more), delaying the procedure until 7 cm is an outdated and arbitrary practice. The timing is determined by maternal request, pain level, and clinical assessment, not a rigid cervical dilation number, as effective pain relief is crucial.
Correct Answer is C
Explanation
Choice A rationale
Hemorrhagic shock results from significant blood loss, leading to decreased circulating blood volume and subsequent hypotension. Therefore, hypertension is not expected; instead, the nurse should anticipate hypotension as a classic sign, indicating the body's compensatory mechanisms are failing to maintain adequate perfusion. Systolic blood pressure below 90 mmHg is a common indicator of shock.
Choice B rationale
Initial compensatory mechanisms in shock, driven by the sympathetic nervous system, usually include tachypnea (increased respiratory rate) to enhance oxygenation and address resulting metabolic acidosis. Bradypnea (abnormally slow respiratory rate, normal 12-20 breaths/min) is a late and ominous sign, reflecting profound central nervous system depression and circulatory failure.
Choice C rationale
Tachycardia (heart rate >100 beats/min) is an early and compensatory sign of hemorrhagic shock, triggered by the release of catecholamines (epinephrine, norepinephrine). The sympathetic nervous system increases the heart rate and contractility to compensate for the reduced stroke volume caused by the hypovolemia and maintain cardiac output and tissue perfusion.
Choice D rationale
Hemorrhagic shock causes a severe reduction in renal blood flow due to vasoconstriction and low systemic pressure. This results in oliguria (urine output <30 mL/hr) or anuria, not polyuria. Decreased urine output is a critical indicator of inadequate perfusion to the kidneys and is a classic finding in progressing shock.
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