A nurse assesses clients on the medical-surgical unit. Which client is at greatest risk for development of obstructive sleep apnea?
A 42-year-old man with gastroesophageal reflux disease
A 55-year-old woman who is 50 lb (23 kg) overweight
A 20-year-old woman who is 8 months pregnant
A 73-year-old man with type 2 diabetes mellitus
The Correct Answer is B
Choice A Reason:
A 42-year-old man with gastroesophageal reflux disease (GERD) is not at the highest risk for obstructive sleep apnea (OSA). While GERD can be associated with OSA, it is not a primary risk factor. The main risk factors for OSA include obesity, age, and anatomical features that can obstruct the airway. Therefore, this individual is not at the greatest risk compared to others.
Choice B Reason:
A 55-year-old woman who is 50 lb (23 kg) overweight is at significant risk for developing OSA. Obesity is one of the most critical risk factors for OSA because excess weight can lead to fat deposits around the upper airway, which can obstruct breathing during sleep. Additionally, being overweight increases the likelihood of other conditions that can exacerbate OSA, such as hypertension and metabolic syndrome.
Choice C Reason:
A 20-year-old woman who is 8 months pregnant may experience temporary sleep disturbances, including snoring and mild sleep apnea, due to hormonal changes and increased abdominal pressure. However, pregnancy-related sleep apnea is usually transient and resolves after childbirth. Therefore, while she may have an increased risk during pregnancy, it is not as significant as the risk posed by obesity.
Choice D Reason:
A 73-year-old man with type 2 diabetes mellitus has an increased risk of OSA, as diabetes is associated with obesity and metabolic syndrome, which are risk factors for OSA. However, the presence of diabetes alone does not pose as high a risk as obesity. Therefore, while this individual is at risk, it is not as high as the risk associated with being significantly overweight.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D","E"]
Explanation
Choice A: Instruct the patient to withhold any medication for diuretic therapy.
Reason: Diuretics can lead to dehydration and electrolyte imbalances, which can complicate the cardiac catheterization procedure. Withholding diuretics helps to maintain fluid balance and reduce the risk of complications during the procedure
Choice B: Prepare to administer fluids 2 hours before the procedure for patients with renal dysfunction.
Reason: Administering fluids before the procedure helps to prevent contrast-induced nephropathy, especially in patients with renal dysfunction. Hydration helps to flush out the contrast material used during the procedure, reducing the risk of kidney damage.
Choice C: Advise the patient to take all anticoagulants.
Reason: This choice is incorrect. Patients are usually advised to withhold anticoagulants before a cardiac catheterization to reduce the risk of bleeding complications. The decision to continue or withhold anticoagulants should be based on a careful assessment of the patient’s risk of thromboembolism versus the risk of bleeding.
Choice D: Administer steroids if the patient has an allergy to iodine-based contrast.
Reason: Administering steroids is a common premedication strategy for patients with a known allergy to iodine-based contrast media. Steroids help to reduce the risk of an allergic reaction during the procedure.
Choice E: Ensure that the patient is NPO for a minimum of 2 hours before the procedure.
Reason: Ensuring that the patient is NPO (nothing by mouth) helps to reduce the risk of aspiration during the procedure. Typically, patients are advised to be NPO for 6-8 hours before the procedure, but a minimum of 2 hours is essential.
Correct Answer is B
Explanation
Choice A: Tachycardia
Tachycardia, defined as a heart rate exceeding 100 beats per minute, can affect the accuracy of pulse oximetry readings. When the heart beats too quickly, it may not fill with enough blood between beats, leading to reduced perfusion and oxygen delivery to tissues. However, while tachycardia can influence the readings, it is not the most significant factor compared to hypotension.
Choice B: Hypotension
Hypotension, or low blood pressure, significantly impacts pulse oximetry accuracy. When blood pressure is low, there is reduced perfusion to peripheral tissues, including the extremities where pulse oximeters are typically placed. This reduced perfusion can lead to inaccurate readings, as the device may not detect sufficient blood flow to measure oxygen saturation accurately. Hypotension is a critical factor that can alter pulse oximetry values, making it the most relevant choice.
Choice C: Tachypnea
Tachypnea, or rapid breathing, can affect oxygen levels in the blood but does not directly interfere with the pulse oximeter’s ability to measure oxygen saturation. While it indicates respiratory distress and can lead to hypoxemia, the pulse oximeter can still provide accurate readings unless accompanied by other factors like low perfusion.
Choice D: Fever
Fever can cause peripheral vasodilation, which might theoretically affect pulse oximetry readings by altering blood flow to the extremities. However, this effect is generally minimal compared to the impact of hypotension. Fever alone is unlikely to cause significant inaccuracies in pulse oximetry measurements.
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