The nurse is assisting in the care of a client who is in labor. The nurse notices that when the client pushes, the fetal heart rate slowly declines for 20 seconds before returning to baseline. How should the nurse identify this alteration in fetal heart rate?
Late deceleration.
Prolonged decelerations.
Early deceleration.
Variable decelerations.
The Correct Answer is C
Early decelerations are characterized by a gradual, symmetrical decrease and return of the fetal heart rate (FHR) that coincides with the peak of a uterine contraction. This "mirror image" pattern is typically caused by fetal head compression, which triggers a vagal response during pushing or as the fetus descends through the birth canal. In most clinical scenarios, this is considered a benign finding and does not indicate fetal distress or hypoxia.
Rationale:
A. Late decelerations are gradual decreases in FHR that begin after the peak of the contraction and return to baseline only after the contraction has ended. This pattern is associated with uteroplacental insufficiency and is a concerning sign that the fetus is not receiving adequate oxygen during the period of reduced blood flow during a contraction.
B. Prolonged decelerations are characterized by a decrease in FHR from baseline that lasts at least 2 minutes but less than 10 minutes. These are often caused by more severe events, such as umbilical cord prolapse, maternal hypotension, or uterine tachysystole, and require immediate clinical intervention to prevent fetal compromise.
C. Early deceleration is the correct identification. Because the decline occurs when the client pushes and returns to baseline quickly (within 20 seconds), it matches the timing of a contraction exactly. This indicates the fetal head is being compressed against the cervix or pelvis, which is a normal part of the second stage of labor and does not typically require medical intervention.
D. Variable decelerations appear as an abrupt, "V" or "W" shaped decrease in FHR that is not necessarily tied to the timing of contractions. These are caused by umbilical cord compression. While common, they are distinct from the gradual, rhythmic pattern described in the scenario.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Brief introduction:
Peripheral artery disease is a chronic circulatory condition where atherosclerotic plaques narrow the peripheral arteries, primarily in the lower extremities. This narrowing significantly reduces tissue perfusion, leading to intermittent claudication and an increased risk for critical limb ischemia. Nutritional therapy focuses on managing hyperlipidemia and hypertension to stabilize arterial endothelium and prevent the progression of systemic vascular narrowing and potential cardiovascular events.
Rationale:
A. Consuming refined sugars found in cookies contributes to a high glycemic load, which promotes systemic inflammation and metabolic dysfunction. While not as directly linked to plaque as saturated fats, excessive sugar intake supports oxidative stress within the arterial walls. High sugar intake does not promote the structural integrity required for healthy blood flow.
B. Butter is a significant source of saturated fat and cholesterol, which accelerate the formation of intimal plaques within the arterial system. Adding extra fat to a meal is contraindicated for clients with peripheral artery disease, as it worsens atherosclerotic progression. Dietary management must prioritize the reduction of animal fats to maintain vascular patency.
C. Excessive sodium intake from salt and gravy leads to water retention and increased peripheral resistance, exacerbating hypertension. Elevated blood pressure places mechanical stress on the arterial walls, further damaging the endothelial lining and worsening ischemia. Clients with vascular disease must adhere to a low-sodium diet to protect distal circulation.
D. Choosing skim milk over whole milk demonstrates a commitment to reducing saturated fat intake, which is essential for managing blood cholesterol levels. Lowering low-density lipoprotein (LDL) levels reduces the rate of plaque accumulation in the femoral and popliteal arteries. This dietary choice directly supports the maintenance of arterial lumen diameter and improved circulation.
Correct Answer is A
Explanation
An internal disaster in a healthcare facility requires the immediate activation of the Hospital Incident Command System (HICS). When critical infrastructure, such as power or emergency generators, fails, the primary objective is to maintain environmental stability and prevent chaos. The charge nurse must ensure that all personnel and patients are accounted for and that movement throughout the facility is restricted to prevent injuries during periods of low visibility or equipment failure.
Rationale:
A. Telling clients to stay in their rooms is the first and most vital instruction. During a total power failure, hallways may be dark, and electronic security systems may be compromised. Keeping clients in their rooms ensures their physical safety, prevents falls, and allows the nursing staff to perform an accurate headcount and assessment of immediate needs within a controlled environment.
B. Offering to assist in the intensive care unit (ICU) is a well-intentioned but disorganized response. While ventilator-dependent clients are at the highest risk during power failures, the reallocation of staff must be coordinated through the central command center. UAPs should not leave their assigned units until the charge nurse has established that their current clients are stable and supervised.
C. Shutting all doors "in case a fire erupts" is a specific protocol for a Fire Emergency (Code Red), not necessarily a general power failure. While keeping doors closed can be part of a safety check, the immediate priority during a generator malfunction is client accountability and communication. Fire protocols should only be prioritized if there is an actual threat of smoke or flames.
D. Going to the emergency department (ED) to complete tasks is inappropriate during an internal disaster. The ED will likely be managing its own surge of critical issues. Staff must remain on their assigned units to ensure the safety of the 350 beds already occupied. Straying from one's post without direct orders from the Incident Commander disrupts the organized disaster response plan.
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