The practical nurse (PN) is assisting the registered nurse (RN) in caring for a client with placenta previa who is at 31-weeks gestation.
Which method should the PN use to most accurately estimate blood loss?
Describe percentage of perineal pads saturated with blood.
Notify the laboratory to obtain an hourly hematocrit.
Evaluate changes in vital signs that might indicate shock.
Calculate the difference in weight of perineal pad before and after use.
The Correct Answer is D
Choice A rationale
Describing the percentage of saturated perineal pads is a subjective and imprecise method for estimating blood loss. Variations in pad size, absorbency, and the client's perception can lead to significant inaccuracies, making it unreliable for precise clinical assessment of hemorrhage.
Choice B rationale
While hematocrit levels are crucial for assessing overall blood volume status, obtaining an hourly hematocrit is an indirect and reactive measure of acute blood loss. It reflects hemodilution or hemoconcentration over time rather than providing a real-time, accurate quantification of the volume of blood lost. Normal hematocrit for pregnant women is 33% to 44%.
Choice C rationale
Changes in vital signs, such as tachycardia, hypotension, and tachypnea, are late indicators of significant blood loss and hypovolemic shock. Relying solely on vital signs means that a substantial amount of blood has already been lost before changes become apparent, making it an insensitive method for early detection and estimation.
Choice D rationale
Calculating the difference in weight of perineal pads before and after use provides a highly accurate objective measurement of blood loss. One gram of weight is approximately equivalent to one milliliter of blood, allowing for precise quantification and enabling timely and appropriate clinical interventions.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Administering ibuprofen, an NSAID, can alleviate pain by inhibiting prostaglandin synthesis, reducing inflammation. However, increased pain and pressure postpartum, especially with a laceration, could indicate complications like a hematoma. Normal pain is expected, but increasing pain warrants further assessment, as it could mask a worsening condition and delay necessary intervention.
Choice B rationale
Increased pain and pressure postpartum after a vaginal delivery, especially with a second-degree perineal laceration, could signal a perineal hematoma. This condition involves blood accumulation in the tissue, causing significant pain and pressure. Notifying the healthcare provider is crucial for immediate assessment, diagnosis, and potential intervention to prevent further complications.
Choice C rationale
Applying an ice pack to the perineum is a common intervention for pain and swelling after a vaginal delivery and laceration repair. Cold therapy induces vasoconstriction, which reduces blood flow to the area, thereby minimizing edema and inflammation. This can provide localized pain relief, but for increasing pain, it might only offer symptomatic relief without addressing the underlying cause.
Choice D rationale
Routine perineal care, including cleansing and hygiene, is essential for preventing infection and promoting healing after a vaginal delivery and laceration. It helps remove lochia and bacteria, maintaining a clean environment. While crucial for recovery, routine care does not directly address or alleviate increasing pain and pressure that could indicate a complication like a hematoma.
Correct Answer is A
Explanation
Choice A rationale
Emptying the bladder prior to amniocentesis reduces the risk of bladder puncture during the procedure. A full bladder could also displace the uterus, making needle insertion more challenging and increasing the potential for complications. This anatomical consideration ensures a safer and more accurate procedure for both mother and fetus.
Choice B rationale
Refraining from sexual intercourse for 48 hours prior to the procedure is not a standard or necessary instruction for an amniocentesis. While pelvic rest might be advised in certain high-risk pregnancies or after procedures that could compromise cervical integrity, it is not a general prerequisite for this diagnostic test.
Choice C rationale
Showering with an antibacterial soap the night before the procedure is a general hygienic practice but is not specifically required for an amniocentesis. While aseptic technique is paramount during the procedure itself, a special antibacterial shower beforehand is not a standard protocol to prevent infection in this context.
Choice D rationale
Taking an enema the morning of the procedure is not indicated for an amniocentesis. Enemas are typically used to clear the bowel for gastrointestinal procedures or to relieve constipation. There is no physiological or procedural benefit to bowel evacuation prior to an amniocentesis.
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