A patient who is in hypovolemic shock has the following clinical signs: BP 80/55 mmHg, heart rate 120 beats/min, and urine output of 20 mL/hr. After administering an IV fluid bolus, which of these signs is the best indication of improved perfusion?
Urine output increases to 35 mL/hr.
Heart rate decreases to 105 beats/min.
Systolic blood pressure increases to 85 mmHg.
Right atrial pressure decreases.
The Correct Answer is A
Choice A reason: An increase in urine output to 35 mL/hr is the best indication of improved perfusion. Urine output is a direct measure of kidney function and perfusion. When the kidneys receive adequate blood flow, they are able to produce urine. An increase in urine output indicates that the patient's kidneys are being perfused more effectively, which is a reliable sign of overall improved perfusion status.
Choice B reason: A decrease in heart rate to 105 beats/min is a positive sign, as it indicates a reduction in the stress response and an improvement in hemodynamic status. However, it is not as direct an indicator of improved perfusion as urine output. Heart rate can be influenced by many factors, and while a lower heart rate is generally a good sign, it does not specifically indicate improved organ perfusion.
Choice C reason: An increase in systolic blood pressure to 85 mmHg is an indication of improved hemodynamic stability, but it is not as sensitive a measure of perfusion as urine output. Blood pressure provides information about the pressure within the arteries but does not directly indicate how well the organs and tissues are being perfused.
Choice D reason: A decrease in right atrial pressure is not typically an indicator of improved perfusion. Right atrial pressure reflects the pressure in the right atrium of the heart, which can be influenced by various factors, including fluid status and cardiac function. It is not a direct measure of perfusion to vital organs and tissues.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Finger-stick glucose is important for monitoring blood sugar levels, especially in septic patients who may develop hyperglycemia. However, it is not the highest priority compared to obtaining blood cultures and administering antibiotics.
Choice B reason: Obtaining blood cultures x2 is the first priority in managing a patient with sepsis. Identifying the causative organism and determining antibiotic susceptibility is crucial for guiding effective treatment. Blood cultures should be obtained before administering antibiotics to ensure accurate results.
Choice C reason: Tylenol (acetaminophen) 650 mg PO may be given to reduce fever and provide comfort, but it is not the highest priority in the initial management of sepsis. Immediate diagnostic and therapeutic interventions are more critical.
Choice D reason: Vancomycin 760 mg IV is an important antibiotic for treating sepsis, especially if a resistant organism is suspected. However, it should be administered after blood cultures are obtained to avoid contaminating the cultures and ensuring accurate identification of the causative organism.
Correct Answer is B
Explanation
Choice A reason: Encouraging the patient to continue an exercise routine such as weightlifting is not appropriate for a patient with esophageal varices. Weightlifting and other strenuous activities can increase intra-abdominal pressure, which may lead to the rupture of the varices and cause severe bleeding.
Choice B reason: Advising the patient to avoid straining at stools is the correct intervention. Straining during bowel movements can increase intra-abdominal pressure and the risk of rupturing the esophageal varices. The nurse should encourage the patient to maintain soft stools through a high-fiber diet, adequate hydration, and possibly stool softeners to prevent straining.
Choice C reason: Providing hot liquids as desired is not recommended for patients with esophageal varices. Hot liquids can cause vasodilation and potentially increase the risk of bleeding from the varices. Patients should be advised to consume beverages at moderate temperatures.
Choice D reason: Advising the patient to limit themselves to one alcoholic drink per day is not appropriate. Alcohol consumption can worsen liver disease, increase portal hypertension, and exacerbate esophageal varices. Patients with esophageal varices should be advised to avoid alcohol completely to reduce the risk of complications.
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