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 A
Explanation
Choice A reason: Maintaining nothing by mouth (NPO) and administering intravenous fluids is the best intervention to reduce discomfort in a patient with acute pancreatitis. NPO status helps to rest the pancreas by preventing the secretion of pancreatic enzymes that can exacerbate inflammation and pain. Intravenous fluids are essential to maintain hydration and electrolyte balance while the patient is not eating or drinking.
Choice B reason: Providing small, frequent feedings with no concentrated sweets is not appropriate for a patient with acute pancreatitis. The priority is to keep the patient NPO to rest the pancreas. Introducing any food can stimulate the pancreas and worsen the condition.
Choice C reason: Administering morphine sulfate intramuscularly every 4 hours as needed can help manage pain, but the preferred route for pain medication in acute pancreatitis is intravenous, as it provides quicker relief and avoids the discomfort of intramuscular injections. Pain management is important, but it should be part of a broader plan that includes NPO status and IV fluids.
Choice D reason: Positioning the patient in a flat, supine position is not recommended for reducing discomfort in acute pancreatitis. Patients often find relief in a semi-Fowler's position (head elevated) or by leaning forward, which can help reduce abdominal pain and pressure on the inflamed pancreas.
Correct Answer is D
Explanation
Choice A reason: Complete bedrest for the duration of the treatment with subcutaneous enoxaparin is not the best approach for managing infective endocarditis. While bed rest may be recommended initially to reduce cardiac workload, long-term bed rest is not necessary and could lead to complications such as muscle atrophy or thromboembolism. Subcutaneous enoxaparin is used for prophylaxis against deep vein thrombosis, but it does not address the underlying infection.
Choice B reason: Long-term anticoagulant therapy with IV heparin followed by oral warfarin is not the standard treatment for infective endocarditis. Although anticoagulant therapy may be necessary in some cases, such as for patients with prosthetic valves or specific cardiac conditions, it is not the primary treatment for the infection itself. The focus should be on eradicating the infection with appropriate antibiotics.
Choice C reason: Administration of IV penicillin, followed by oral penicillin for 10 weeks, is not the typical treatment regimen for infective endocarditis. While penicillin may be part of the antibiotic therapy, the duration and route of administration need to be tailored to the specific causative organism and the patient's clinical condition. Usually, a combination of antibiotics and a specific treatment plan is developed based on culture and sensitivity results.
Choice D reason: Hospitalization for initial IV antibiotics, followed by continued IV antibiotics at home, is the best treatment approach for a client newly diagnosed with infective endocarditis. This allows for intensive management and monitoring during the critical initial phase of treatment, ensuring that the infection is adequately controlled. Transitioning to continued IV antibiotics at home provides the necessary long-term therapy while allowing the patient to recover in a familiar environment. This approach ensures compliance with the treatment regimen and reduces the risk of complications.
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