Which of the following is a characteristic feature of Cushing's syndrome?
Weight loss
Hyperglycemia
Hypotension
Hyperkalemia
The Correct Answer is B
A. Weight gain, not weight loss, is a characteristic feature of Cushing's syndrome.
B. Hyperglycemia is common in Cushing's syndrome due to increased cortisol levels.
C. Hypertension, not hypotension, is common in Cushing's syndrome due to fluid retention.
D. Hypokalemia, not hyperkalemia, is common in Cushing's syndrome due to increased aldosterone levels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["11.8"]
Explanation
To calculate the dosage for Dopamine as per the physician's order, we first convert the client's weight from pounds to kilograms, knowing that 1 kg equals 2.2 lbs. The client weighs 138.6 lbs, which is approximately 62.9 kg (138.6 lbs / 2.2). Now, using the ordered dose of 2.5 mcg/kg/min, we multiply the client's weight in kg by the dose to find the mcg/min: 62.9 kg * 2.5 mcg/kg/min = 157.25 mcg/min. To find mcg/hr, we multiply this by 60 minutes: 157.25 mcg/min * 60 = 9435 mcg/hr.
Next, we need to calculate mL/hr. We have Dopamine 200 mg in 250 mL, which is 200,000 mcg in 250 mL since 1 mg equals 1000 mcg. This gives us a concentration of 800 mcg/mL (200,000 mcg / 250 mL). To find the mL/hr, we divide the mcg/hr by the concentration: 9435 mcg/hr / 800 mcg/mL = 11.8 mL/hr.
Rounding to the nearest tenth, the final dosages are:
mcg/min: 157.3 mcg/min
mcg/hr: 9435 mcg/hr
mL/hr: 11.8 mL/hr
Correct Answer is ["22.6"]
Explanation
To calculate the IV pump setting, first convert the client's weight from pounds to kilograms, knowing that 1 kilogram equals 2.2 pounds. The client weighs 166 pounds, which is approximately 75.45 kilograms. Next, calculate the dosage in units per hour by multiplying the client's weight in kilograms by the ordered dosage of 15 units/kg/hr, which equals 1131.75 units/hr. Since Heparin is available as 25,000 units in 500 ml, divide the total units in the bag by the volume to find the concentration, which is 50 units/ml. Finally, divide the dosage required per hour by the concentration to find the volume to be administered per hour. Therefore, the IV pump should be set to approximately 22.6 ml/hr, rounding to the nearest tenth.
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