A nurse is assessing a client who has tension pneumothorax. Which of the following findings should the nurse expect following tracheal deviation?
Respiratory alkalosis
Increased venous return
Decreased cardiac output
Dilated ventricles
The Correct Answer is C
Choice A Reason:
Respiratory alkalosis is incorrect. Tension pneumothorax typically leads to respiratory distress and hypoxemia rather than respiratory alkalosis. The respiratory alkalosis may occur initially due to hyperventilation in response to hypoxemia but would not be directly related to tracheal deviation.
Choice B Reason:
Increased venous return is incorrect. Tension pneumothorax actually leads to decreased venous return due to compression of the great vessels in the thorax, particularly the superior vena cava and the inferior vena cava. This compression results from the increased pressure within the thorax, which impedes blood flow back to the heart.
Choice C Reason:
Decreased cardiac output is incorrect. Tension pneumothorax can indeed lead to decreased cardiac output due to compression of the heart and the great vessels by the accumulating air in the pleural space. This compression decreases venous return and impairs cardiac function.
Choice D Reason:
Dilated ventricles is incorrect. As mentioned earlier, tension pneumothorax can lead to compression of the heart, including the ventricles. This compression can cause dilatation of the ventricles, particularly the right ventricle, due to increased afterload and decreased venous return.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason:
Manual wheelchair is inappropriate. A manual wheelchair requires the use of the client's upper extremities to propel the wheelchair forward by pushing on the wheels. With a spinal cord injury at the fourth cervical level, the client may have limited or no function in their upper extremities, making it difficult to self-propel a manual wheelchair.
Choice B Reason:
Sip-and-puff device is appropriate. A sip-and-puff device allows individuals with limited or no hand function to control a powered wheelchair using their breath. This device enables the client to navigate the wheelchair by inhaling or exhaling into a straw-like device, which activates controls to move the wheelchair forward, backward, and turn.
Choice C Reason:
Drive-adapted wheelchair is inappropriate. A drive-adapted wheelchair is a powered wheelchair that can be modified with adaptive controls to accommodate individuals with limited hand function or mobility. These wheelchairs may include joystick controls, head arrays, chin controls, or other adaptive devices that allow the client to operate the wheelchair independently despite limited hand function.
Choice D Reason:
Ultra-light wheelchairs is inappropriate. Ultra-light wheelchairs are manual wheelchairs that are lightweight and often customized to fit the client's specific needs and preferences. While ultra-light wheelchairs may offer advantages in terms of maneuverability and ease of transportation, they still require sufficient upper extremity function to self-propel the wheelchair.
Correct Answer is ["B","D","E"]
Explanation
Choice A Reason:
Loss of teeth is not typically considered a direct factor contributing to obstructive sleep apnea. While the presence of teeth may play a role in maintaining the structure of the oral cavity, it is not a primary risk factor for OSA.
Choice B Reason:
Stroke is correct. Individuals who have had a stroke are at increased risk of developing obstructive sleep apnea. Stroke can cause damage to areas of the brain involved in controlling breathing and upper airway function, leading to disruptions in respiratory control during sleep.
Choice C Reason:
Sleepiness is a symptom commonly associated with obstructive sleep apnea rather than a direct contributing factor. Excessive daytime sleepiness is a consequence of disrupted sleep patterns and recurrent episodes of breathing cessation during the night, which are characteristic features of obstructive sleep apnea.
Choice D Reason:
Fatty deposits is correct. Excessive fatty deposits, particularly around the neck and throat, can contribute to the narrowing and collapse of the upper airway during sleep, increasing the risk of obstructive sleep apnea. Obesity is a significant risk factor for OSA due to the accumulation of fat deposits in the upper airway tissues.
Choice E Reason:
Muscle dysfunction is correct. Muscle dysfunction, particularly of the muscles surrounding the upper airway, can impair the ability of these muscles to keep the airway open during sleep. Weakness or dysfunction of these muscles can lead to increased collapsibility of the upper airway, contributing to obstructive sleep apnea.
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