Which of the following diagnostic tests is commonly used to assess heart failure?
Pulmonary function test
Electrocardiogram (ECG)
Urinalysis
Complete blood count (CBC)
The Correct Answer is B
Choice A Reason:
Pulmonary function tests are used to assess lung function and diagnose respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and other lung disorders. While heart failure can affect lung function, pulmonary function tests are not specifically used to diagnose heart failure.
Choice B Reason:
An electrocardiogram (ECG) is a common diagnostic test used to assess heart failure. It records the electrical activity of the heart and can detect abnormalities in heart rhythm, heart size, and the presence of ischemia or infarction. ECGs are crucial in diagnosing and monitoring heart conditions, including heart failure.
Choice C Reason:
Urinalysis is a test that examines the content of urine and is used to diagnose and monitor kidney function, urinary tract infections, and other metabolic conditions. It is not specifically used to diagnose heart failure, although kidney function can be affected by heart failure.
Choice D Reason:
A complete blood count (CBC) measures the levels of different blood cells, including red blood cells, white blood cells, and platelets. While a CBC can provide valuable information about a patient's overall health and detect conditions like anemia or infection, it is not specifically used to diagnose heart failure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason:
Consuming a diet high in vitamin K to promote clotting is not typically recommended for patients with DIC. While vitamin K is essential for clotting, DIC involves both excessive clotting and bleeding. Increasing vitamin K intake could exacerbate clotting issues without addressing the underlying imbalance.
Choice B Reason:
Stopping all medications to prevent interactions with clotting factors is not advisable. Patients with DIC often require medications to manage their condition, including anticoagulants and treatments for the underlying cause. Discontinuing all medications could lead to uncontrolled symptoms and complications.
Choice C Reason:
Engaging in physical activity to promote blood flow is generally beneficial for overall health, but in the context of DIC, it must be approached with caution. Physical activity can increase the risk of injury and bleeding, which is a significant concern for patients with DIC. Therefore, any exercise regimen should be carefully monitored and tailored to the patient's condition.
Choice D Reason:
Avoiding activities that may cause injury or bleeding is crucial for patients with DIC. Due to the risk of spontaneous bleeding and the potential for minor injuries to lead to significant blood loss, patients must take precautions to minimize these risks. This includes avoiding contact sports, using soft-bristled toothbrushes, and being cautious with sharp objects.
Correct Answer is ["7.2"]
Explanation
Step-by-Step Calculation:
Step 1: Convert the client's weight from pounds to kilograms.
176 lbs ÷ 2.2 = 80 kg
Result = 80 kg
Step 2: Calculate the total dose of dopamine in mcg/min.
3 mcg/kg/min × 80 kg = 240 mcg/min
Result = 240 mcg/min
Step 3: Convert the total dose from mcg/min to mg/min.
240 mcg/min ÷ 1000 = 0.24 mg/min
Result = 0.24 mg/min
Step 4: Determine the concentration of dopamine in mg/mL.
500 mg ÷ 250 mL = 2 mg/mL
Result = 2 mg/mL
Step 5: Calculate the infusion rate in mL/min.
0.24 mg/min ÷ 2 mg/mL = 0.12 mL/min
Result = 0.12 mL/min
Step 6: Convert the infusion rate to mL/hr.
0.12 mL/min × 60 min/hr = 7.2 mL/hr
Result = 7.2 mL/hr
Final Result:
The IV pump should be set to 7.2 mL/hr.
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