A patient with Type 1 Diabetes Mellitus is admitted to the emergency department with deep, rapid breathing, abdominal pain, and confusion. Which of the following laboratory findings would most likely confirm a diagnosis of diabetic ketoacidosis (DKA)?

Blood glucose level of 140 mg/dL with low insulin levels.

Blood glucose level of 180 mg/dL with normal ketone levels.

Blood glucose level of 250 mg/dL with normal ketone levels.

Blood glucose level of 600 mg/dL with elevated ketone levels in blood and urine.

Answer and Explanation

The Correct Answer is D

A.   A blood glucose level of 140 mg/dL is too low for DKA, which typically involves hyperglycemia above 250 mg/dL.
B.   A blood glucose level of 180 mg/dL and normal ketone levels are inconsistent with DKA, as DKA involves both high glucose and elevated ketones.
C.   A blood glucose level of 250 mg/dL with normal ketone levels would not suggest DKA. Elevated ketones are a critical part of diagnosing DKA.
D.   A blood glucose level of 600 mg/dL with elevated ketone levels in blood and urine confirms DKA, a life-threatening complication of Type 1 diabetes.

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Correct Answer is B

Explanation

A. Almond milk can be a good source of calcium, but it is often lower in calcium compared to dairy products unless fortified.
B. Low-fat milk is an excellent source of calcium and is also easy for most people to digest.
C. Whole milk contains calcium, but it is higher in fat, which is not ideal for individuals at risk for osteoporosis.
D. Soy milk can be a good source of calcium if fortified, but it does not always contain as much calcium as low-fat milk.

A. A Venturi mask allows for precise oxygen concentration delivery. B. Oxygen should be humidified when delivered at flow rates higher than 4 liters per minute. C. Oxygen toxicity can occur when high concentrations of oxygen are administered for extended periods. D. Nasal cannulas can deliver oxygen concentrations up to 90%. E. Oxygen therapy is always safe regardless of the patient's condition. F. A simple face mask can deliver higher oxygen concentrations than a non-rebreather mask.

Correct Answer is ["A","B","C"]

Explanation

A. A Venturi mask is an accurate way to deliver a specific concentration of oxygen, allowing for precise control.
B. Humidifying oxygen is recommended at flow rates higher than 4 liters per minute to prevent drying of the mucous membranes.
C. Oxygen toxicity can occur if high concentrations of oxygen are administered for prolonged periods, leading to potential lung damage.
D. Nasal cannulas typically provide a lower oxygen concentration than higher-flow devices, like a Venturi mask or non-rebreather mask.
E. Oxygen therapy is not always entirely safe regardless of the patient's condition; certain conditions require careful monitoring to prevent complications.

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A patient with Type 1 Diabetes Mellitus is admitted to the emergency department with deep, rapid breathing, abdominal pain, and confusion. Which of the following laboratory findings would most likely confirm a diagnosis of diabetic ketoacidosis (DKA)?

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Naxlex Comprehensive Predictor Exams

A nurse is teaching a client who is at risk for osteoporosis. The nurse should instruct the client that which of the following foods is the best source of calcium?

Correct Answer is B

Explanation

A nurse is reviewing oxygen therapy with a group of new graduates. Which of the following statements indicate a correct understanding of oxygen therapy? (Select All that Apply.)

Correct Answer is ["A","B","C"]

Explanation

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