A client with SCD is receiving oxygen therapy through a nasal cannula.
What is the purpose of oxygen therapy in the management of SCD?
To provide relief from severe pain.
To prevent tissue hypoxia.
To administer analgesics.
To induce relaxation.
The Correct Answer is B
Choice A rationale:
Oxygen therapy in the management of SCD is primarily aimed at preventing tissue hypoxia, not providing relief from severe pain.
SCD patients may experience pain due to tissue ischemia caused by the sickling of red blood cells, and oxygen can help prevent this by increasing the oxygen-carrying capacity of the blood.
Choice B rationale:
The primary purpose of oxygen therapy in the management of SCD is to prevent tissue hypoxia.
SCD patients are at risk of vaso-occlusive crises and tissue damage due to reduced oxygen delivery.
Supplemental oxygen helps maintain adequate tissue oxygenation and reduces the risk of complications.
Choice C rationale:
Oxygen therapy is not administered for the purpose of directly administering analgesics.
Analgesics are typically administered separately to manage pain in SCD patients.
Choice D rationale:
Oxygen therapy is not used to induce relaxation.
Its main goal is to improve oxygen saturation and prevent tissue hypoxia in SCD patients.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Complete blood count (CBC)
Rationale: A CBC is a standard blood test that provides information about the number and types of blood cells in the patient's circulation.
While it can help diagnose anemia, it does not confirm the presence of abnormal hemoglobins or sickle cell disease.
Choice A is not the essential test for confirming the diagnosis.
Choice B rationale:
Peripheral blood smear.
Rationale: A peripheral blood smear can be useful in assessing the morphology of red blood cells, but it may not be specific enough to confirm the presence of abnormal hemoglobins or sickle cell disease definitively.
It can provide supportive evidence but is not the primary diagnostic test.
Choice C rationale:
Solubility test or sickling test.
Rationale: The solubility test or sickling test is essential for confirming the diagnosis of sickle cell disease and identifying the presence of abnormal hemoglobins, specifically hemoglobin S (HbS)
This test is the gold standard for diagnosing SCD, making choice C the correct answer.
Choice D rationale:
Imaging studies, such as a chest x-ray.
Rationale: Imaging studies like chest x-rays are not used as primary diagnostic tools for sickle cell disease.
They may be employed to assess complications such as acute chest syndrome or other respiratory issues associated with SCD, but they do not confirm the diagnosis or identify abnormal hemoglobins.
Correct Answer is A
Explanation
Choice A rationale:
A severe episode of pain in a client with sickle cell disease (SCD) is indicative of a sickle cell crisis.
Sickle cell crisis is a common complication of SCD, characterized by sudden, severe pain due to the formation of sickle-shaped red blood cells that obstruct blood flow in small blood vessels.
This vaso-occlusion leads to tissue ischemia and pain in various parts of the body.
It is a hallmark symptom of SCD and requires prompt management, typically with pain medications and hydration.
Choice B rationale:
Hemolysis event is not the correct choice in this context.
Hemolysis refers to the premature destruction of red blood cells, which can occur in SCD but does not directly correlate with the severe pain experienced during a sickle cell crisis.
Choice C rationale:
Jaundice episode is not the correct choice in this context either.
Jaundice, characterized by yellowing of the skin and eyes, can occur in individuals with SCD due to the breakdown of hemoglobin from ruptured red blood cells, but it does not specifically address the severe pain described in the question.
Choice D rationale:
Inflammatory reaction is not the correct choice for this scenario.
While inflammation can play a role in the pathophysiology of SCD, it does not directly describe the acute and severe pain experienced during a sickle cell crisis.
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