A nurse is caring for a client who is at risk for developing shock. Which of the following findings is the earliest indicator that this complication is occurring?
Increased respiratory rate
Hypotension
Anuria
Decreased level of consciousness
The Correct Answer is A
A. Increased respiratory rate – Tachypnea (increased respiratory rate) is often the earliest compensatory sign of shock as the body attempts to correct metabolic acidosis and hypoxia by increasing oxygen intake and carbon dioxide removal.
B. Hypotension – Occurs later in the shock progression, typically when compensatory mechanisms fail.
C. Anuria – Indicates prolonged or severe shock leading to organ failure, not an early finding.
D. Decreased level of consciousness – A later sign, suggesting impaired cerebral perfusion due to worsening shock.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Spinal cord perfusion is not monitored with a pulmonary artery catheter; it typically requires different neuromonitoring techniques.
B. Hemodynamic status is accurately monitored using a pulmonary artery catheter (also called a Swan-Ganz catheter), which provides information on cardiac output, pulmonary artery pressures, and other cardiovascular parameters.
C. Intracranial pressure is monitored using devices like an intraventricular catheter or subarachnoid bolt, not a pulmonary artery catheter.
D. Renal function is assessed through laboratory tests (e.g., BUN, creatinine) and urine output, not via a pulmonary artery catheter
Correct Answer is D
Explanation
A. Ventricular tachycardia presents with wide QRS complexes (usually >0.12 second), and the rhythm is typically regular—not irregular as seen here.
B. Sinus tachycardia has identifiable P waves before each QRS complex and a regular rhythm, which is not the case here.
C. Ventricular fibrillation presents as a chaotic, irregular waveform with no identifiable QRS complexes, resulting in no effective cardiac output—this is more severe than the rhythm described.
D. Atrial fibrillation is characterized by the absence of P waves, irregularly irregular rhythm, wavy baseline (fibrillatory waves), and often a rapid ventricular response, such as the heart rate of 120 bpm observed in this client.
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