The nurse is evaluating a client's central venous pressure (CVP) also called right atrial pressure (RAP) readings that are trending upwards. Which nursing problem is supported by the pathophysiologic mechanism most likely causing the increases?

Decreased cardiac output.

Ineffective airway clearance.

Ineffective peripheral tissue perfusion.

Deficient fluid volume.

Answer and Explanation

The Correct Answer is A

A. Decreased cardiac output. Central venous pressure (CVP), also called right atrial pressure (RAP), reflects right ventricular preload and overall fluid status. An increasing CVP indicates fluid overload or impaired right ventricular function, both of which can lead to decreased cardiac output. Conditions such as right heart failure, pulmonary hypertension, or excessive fluid resuscitation can cause elevated CVP, reducing the heart’s ability to pump effectively and leading to poor systemic circulation.
B. Ineffective airway clearance. Airway clearance is not directly related to CVP measurements. While severe pulmonary conditions like ARDS or COPD can contribute to cardiac strain and right heart failure, the primary mechanism for rising CVP is cardiac dysfunction or fluid overload, not airway obstruction.
C. Ineffective peripheral tissue perfusion. Although decreased cardiac output can impair tissue perfusion, this choice is too broad. Increased CVP specifically reflects right-sided heart function and preload, making decreased cardiac output the more precise diagnosis related to the pathophysiologic mechanism.
D. Deficient fluid volume. A low CVP is associated with hypovolemia and fluid deficits, while an increasing CVP suggests fluid overload, heart failure, or venous congestion. Deficient fluid volume would cause a downward trend in CVP, not an increase.

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Correct Answer is B

Explanation

A. View the rhythm in another chest lead. While verifying the rhythm in another lead may help confirm the accuracy of the monitor, it does not address the immediate absence of a pulse and respirations. The client is in pulseless electrical activity (PEA), which requires immediate intervention rather than rhythm verification.
B. Begin chest compressions at a rate of 120 times a minute. The client has no palpable carotid pulse and no spontaneous respirations despite a sinus rhythm on the monitor, indicating pulseless electrical activity (PEA). PEA is a form of cardiac arrest where the heart shows electrical activity but fails to generate effective circulation. Immediate high-quality chest compressions are essential to maintain perfusion while addressing the underlying cause, such as hypovolemia or tension pneumothorax.
C. Auscultate all chest fields for muffled lung sounds. While assessing for muffled lung sounds may help detect conditions such as tension pneumothorax or hemothorax, it should not delay the initiation of CPR. Once compressions are started, the underlying cause of PEA can be investigated.
D. Observe for swelling at the fracture site. Swelling at the fracture site may indicate bleeding or compartment syndrome, but assessing the fracture should not take priority over initiating CPR. If hemorrhage is suspected as a cause of PEA, rapid fluid resuscitation should be initiated after starting chest compressions.

A. Suture removal kit. B. Suction catheter. C. Sterile gauze dressing. D. Sterile piston syringe.

Correct Answer is C

Explanation

A. Suture removal kit. A suture removal kit is used when the chest tube is ready for removal, but it is not necessary to keep at the bedside during routine chest tube management. The priority is ensuring emergency supplies are available if the tube becomes dislodged.
B. Suction catheter. A suction catheter is used to remove secretions from the airway but is not essential for managing a chest tube. Chest drainage systems function independently to remove air or fluid, and routine suctioning is not required for chest tube management.
C. Sterile gauze dressing. If the chest tube accidentally dislodges, an occlusive dressing (such as sterile gauze with petroleum jelly) should be applied immediately to prevent air from re-entering the pleural space, which could lead to a tension pneumothorax. Keeping sterile gauze at the bedside ensures rapid intervention in case of accidental chest tube removal.
D. Sterile piston syringe. A sterile piston syringe is used for irrigating wounds or suctioning secretions, but it is not necessary for chest tube management. The closed drainage system should never be manually flushed unless specifically ordered by a healthcare provider.

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The nurse is evaluating a client's central venous pressure (CVP) also called right atrial pressure (RAP) readings that are trending upwards. Which nursing problem is supported by the pathophysiologic mechanism most likely causing the increases?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

A client has a chest tube connected to a closed water-seal drainage system with suction. Which equipment should the nurse always have available at the client's bedside?

Correct Answer is C

Explanation

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