A postoperative surgical patient asks how the sequential compression boots applied in the operating room will help lower the risk of blood clots forming in the legs. The nurse's most appropriate response would be that the boots:
alternately compress and release to help blood flow through vessels.
measure pressure in the leg blood vessels and sound an alarm if pressure rises.
provide gentle continuous compression at low pressure.
provide firm continuous compression at high pressure.
The Correct Answer is A
A. Alternately compress and release to help blood flow through vessels. Sequential compression devices (SCDs) work by alternating compression and release to promote venous return, prevent stasis, and reduce the risk of deep vein thrombosis (DVT). This is the correct mechanism of action for these devices.
B. Measure pressure in the leg blood vessels and sound an alarm if pressure rises. SCDs do not measure pressure; they are designed to apply intermittent pressure to the legs to encourage circulation and prevent clot formation.
C. Provide gentle continuous compression at low pressure. SCDs apply intermittent pressure, not continuous pressure. Continuous compression would not be effective in preventing DVT as it does not allow for the periodic relaxation of veins.
D. Provide firm continuous compression at high pressure. SCDs should apply intermittent, not continuous, pressure. High pressure could potentially harm the patient’s circulation and tissues, which is why the compression is designed to be gentle and alternating.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D"]
Explanation
A. Gather an emesis basin, tissues, and a small towel. Nausea and vomiting are common postoperative effects; having supplies ready helps with patient comfort.
B. Lower the bed for easy transfer of the patient. Lowering the bed facilitates a safe and smooth transfer from the stretcher to the bed.
C. Place an IV pole at the head of the bed. The IV should be positioned for easy access and monitoring.
D. Fan fold the sheets on the near side of the bed. Fan folding the sheets makes it easier to transfer the patient into bed without unnecessary movement.
E. Collect extra dressing supplies and place them on the bedside table. Dressing supplies should be kept sterile and only opened when needed to prevent contamination.
Correct Answer is A
Explanation
A. Palliative. Palliative surgery aims to relieve symptoms or reduce the size of a tumor without curing the underlying disease. The patient is having part of the tumor removed to relieve pain.
B. Emergency. Emergency surgery is performed in response to a life-threatening situation, such as trauma or acute illness, not for a metastatic tumor causing pain.
C. Diagnostic. Diagnostic surgery is performed to obtain tissue samples for evaluation (e.g., biopsy) to determine the nature of a disease, not to remove part of a tumor.
D. Curative. Curative surgery aims to remove the entire tumor to eliminate the disease, which is not the case here since only part of the tumor is being removed for symptom relief.
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