Which of the following could the nurse expect to observe in an older adult client who has a pneumothorax?
Higher oxygen saturations of 98% to 99%
Lower oxygen saturations of 93% to 94%
Lower energy expenditure
Increased lung capacity
The Correct Answer is B
Choice A Reason:
Higher oxygen saturations of 98% to 99% is inappropriate. A pneumothorax involves the presence of air in the pleural space, which can compromise lung function and gas exchange. This compromised lung function typically leads to decreased oxygenation of the blood, resulting in lower oxygen saturations rather than higher saturations.
Choice B Reason:
Lower oxygen saturations of 93% to 94% is appropriate. A pneumothorax disrupts the normal exchange of oxygen and carbon dioxide in the lungs due to partial or complete lung collapse. As a result, the affected lung is unable to adequately oxygenate the blood, leading to lower oxygen saturations, which are indicative of hypoxemia.
Choice C Reason:
Lower energy expenditure is inappropriate. Energy expenditure is not typically affected by a pneumothorax. While the discomfort and respiratory distress associated with a pneumothorax may cause the individual to limit physical activity, there is no direct impact on overall energy expenditure.
Choice D Reason:
Increased lung capacity is inappropriate. A pneumothorax results in partial or complete collapse of the affected lung, reducing lung capacity rather than increasing it. The presence of air in the pleural space creates positive pressure, which can compress the lung and decrease its ability to expand fully during inhalation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
Choice A Reason:
Hyponatremia is incorrect. Hyponatremia refers to low sodium levels in the blood and is not typically associated with degenerative disc disease. This finding is unrelated to the pathophysiology of DDD.
Choice B Reason:
Paresthesia is correct. Yes, paresthesia, which refers to abnormal sensations such as tingling, numbness, or burning, can develop with degenerative disc disease. Nerve compression or irritation due to disc degeneration can lead to paresthesia in the affected area, typically radiating along the nerve pathway.
Choice B Reason:
Foot drop is correct. Yes, foot drop can develop with degenerative disc disease, especially if the condition leads to nerve compression or damage in the lumbar spine (lower back). Foot drop refers to difficulty lifting the front part of the foot due to weakness or paralysis of the muscles involved in dorsiflexion.
Choice D Reason:
Intermittent pain is correct. Yes, intermittent pain is a hallmark symptom of degenerative disc disease. Pain may vary in intensity and may worsen with certain movements or activities. Individuals with DDD may experience episodes of acute pain, as well as chronic, persistent discomfort.
Correct Answer is ["A","D"]
Explanation
Choice A Reason:
Temperature 36.3°C (97.4°F) is correct. Hypothermia is a characteristic finding in neurogenic shock due to the loss of sympathetic control over temperature regulation and peripheral vasodilation. This can lead to heat loss from the skin surface and a decrease in core body temperature.
Choice B Reason:
Respirations 12/min is incorrect. Respiratory rate is usually not significantly affected in neurogenic shock. However, individuals with high cervical or upper thoracic spinal cord injuries may experience respiratory compromise due to paralysis of respiratory muscles, but this is not a typical feature of neurogenic shock.
Choice C Reason:
Incorrect: Neurogenic shock typically results inhypotension(low blood pressure) due to vasodilation. The given blood pressure reading is elevated, which is not consistent with neurogenic shock.
Choice D Reason:
Heart rate 54/min is correct. Bradycardia is a common finding in neurogenic shock due to unopposed parasympathetic activity resulting from the loss of sympathetic tone. The heart rate may be slow and may decrease further over time.
Choice E Reason:
Calcium level 7.0 mg/dL is incorrect, Calcium levels are not directly related to neurogenic shock. Neurogenic shock primarily involves the loss of sympathetic tone and the resulting hemodynamic changes, rather than alterations in calcium metabolism.
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