Which assessment information obtained by the nurse when caring for a COPD patient receiving mechanical ventilation indicates the need for suctioning?
The pulse oximeter shows a Sp02 of 90%.
The patient has not been suctioned for the last 6 hours.
The respiratory rate is 32 breaths/min.
The lungs have occasional audible expiratory wheezes.
The Correct Answer is C
In a patient receiving mechanical ventilation, a high respiratory rate can indicate increased work of breathing and potential airway obstruction. COPD patients, in particular, may have excessive mucus production and airway inflammation, leading to mucus plugging and compromised airway clearance. Suctioning may be necessary to remove excessive secretions and maintain a patent airway.
A. The pulse oximeter shows a SpO2 of 90% in (option A) is incorrect because While a SpO2 of 90% is suboptimal and may require intervention, it does not specifically indicate the need for suctioning. Other interventions, such as adjusting oxygen delivery or ventilation settings, may be more appropriate.
B. The patient has not been suctioned for the last 6 hours in (option B) is incorrect because The duration since the last suctioning episode alone does not necessarily indicate the need for suctioning. The need for suctioning should be based on the patient's clinical presentation, such as signs of airway obstruction or excessive secretions.
D. The lungs have occasional audible expiratory wheezes in (option D) which is incorrect because Occasional audible expiratory wheezes may be common in patients with COPD and may not specifically indicate the need for suctioning. Wheezing is more commonly associated with narrowing of the airways, and suctioning is typically performed to clear secretions or maintain airway patency.
C. Therefore, in a COPD patient receiving mechanical ventilation, a high respiratory rate (C) is the assessment information that would indicate the need for suctioning to help remove excessive secretions and ensure a patent airway
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Central venous pressure (CVP) is a measurement of the pressure in the central veins, which reflects the blood volume and right-sided cardiac function. High CVP readings may indicate fluid overload or impaired cardiac function, and intervention is necessary to address the underlying cause.
Administering IV diuretic medications can help reduce fluid volume by increasing urine output and promoting fluid elimination. By removing excess fluid, the diuretic medications can help lower the CVP and alleviate the high pressures.
The other options mentioned are not the anticipated actions for addressing high CVP:
A. Increasing the IV fluid infusion rate in (option A) is incorrect because: If the CVP is already indicating high pressures, increasing the IV fluid infusion rate would further contribute to fluid overload and exacerbate the problem. This action would not be appropriate for high CVP readings.
C. Elevating the head of the patient's bed to 45 degrees in (option C) is incorrect because Positioning the patient with the head of the bed elevated is commonly done to prevent complications such as aspiration or improve respiratory function. While it may have other benefits, it does not directly address the high CVP.
D. Documenting the CVP and continuing to monitor in (option D) is incorrect because Documenting the CVP and continuing to monitor is important for ongoing assessment and evaluation. However, in the presence of high CVP readings, intervention is necessary to address the underlying issue rather than solely documenting and monitoring.
Therefore, when a patient's CVP monitor indicates high pressures following surgery, the nurse would anticipate administering IV diuretic medications to help reduce fluid volume and lower the CVP.
Correct Answer is D
Explanation
In the compensatory stage of shock, the body initiates various mechanisms to maintain perfusion to vital organs and restore homeostasis. Activation of the renin-angiotensin system is one of the compensatory responses. The decreased blood flow and oxygen delivery to the kidneys stimulate the release of renin from the kidneys. Renin acts on angiotensinogen, converting it into angiotensin I, which is further converted to angiotensin II by the action of angiotensin-converting enzyme (ACE). Angiotensin II is a potent vasoconstrictor and also stimulates the release of aldosterone, leading to sodium and water retention. These mechanisms aim to increase blood pressure and cardiac output and restore fluid balance.
A. The initial stage of shock in (option A) is incorrect because it is characterized by inadequate tissue perfusion and the activation of various compensatory mechanisms, including the release of stress hormones. However, the renin-angiotensin system is not specifically mentioned as activated in this stage.
B. The progressive stage of shock in (option B) is incorrect because it occurs when compensatory mechanisms fail to maintain adequate perfusion, leading to worsening hypoperfusion and organ dysfunction. The renin-angiotensin system continues to be activated during this stage, but it is primarily associated with the compensatory stage.
C. The refractory stage of shock in (option C) is incorrect because it is the stage of severe and prolonged hypoperfusion, where organ failure becomes irreversible. The renin-angiotensin system may still be activated, but it is not the primary focus of this stage.
Therefore, the activation of the renin-angiotensin system occurs during the compensatory stage of shock.
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