A client with diabetes mellitus is undergoing diagnostic evaluation.
The nurse explains the oral glucose tolerance test to the client.
Which statement by the nurse is accurate?
"A glucose level ≥100 mg/dL two hours after a glucose load confirms the diagnosis.”..
"A glucose level ≥180 mg/dL one hour after a glucose load indicates diabetes.”..
"A glucose level ≥200 mg/dL two hours after a glucose load confirms the diagnosis.”..
"A glucose level ≥250 mg/dL one hour after a glucose load suggests uncontrolled diabetes.”..
The Correct Answer is C
"A glucose level ≥200 mg/dL two hours after a glucose load confirms the diagnosis.”.
Choice A rationale:
A glucose level ≥100 mg/dL two hours after a glucose load confirms the diagnosis.
This statement is incorrect.
A glucose level of 100 mg/dL two hours after a glucose load is not sufficient to confirm the diagnosis of diabetes.
The diagnostic criteria for diabetes typically involve higher glucose levels.
Choice B rationale:
A glucose level ≥180 mg/dL one hour after a glucose load indicates diabetes.
This statement is incorrect.
While a glucose level of 180 mg/dL one hour after a glucose load may be elevated, it is not enough to confirm a diagnosis of diabetes.
The diagnostic criteria for diabetes primarily involve glucose levels at the two-hour mark.
Choice C rationale:
A glucose level ≥200 mg/dL two hours after a glucose load confirms the diagnosis.
This statement is correct.
The oral glucose tolerance test (OGTT) is a diagnostic test for diabetes, and the ADA diagnostic criteria specify that a glucose level of 200 mg/dL or higher at the two-hour mark after a glucose load confirms the diagnosis of diabetes.
This threshold is used to ensure accurate diagnosis.
Choice D rationale:
A glucose level ≥250 mg/dL one hour after a glucose load suggests uncontrolled diabetes.
This statement is not part of the diagnostic criteria for diabetes.
While a glucose level of 250 mg/dL one hour after a glucose load is elevated, it is not used to confirm the diagnosis of diabetes.
The diagnostic threshold is typically set at the two-hour mark.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
All of these.
Choice A rationale:
Correcting fluid and electrolyte imbalances is an essential part of the care plan for a child with DKA.
This is because DKA often leads to severe dehydration and electrolyte imbalances due to excessive urination.
Restoring fluid and electrolyte balance is crucial to stabilize the patient's condition.
Choice B rationale:
Reducing hyperglycemia is a critical goal in the care of a child with DKA.
Elevated blood glucose levels are a hallmark of DKA, and addressing hyperglycemia is achieved through insulin therapy.
Reducing hyperglycemia helps to stop the production of ketones and normalize metabolic processes.
Choice C rationale:
Preventing complications is an important aspect of managing DKA.
Complications such as cerebral edema and organ dysfunction can occur if DKA is not promptly and effectively treated.
Therefore, monitoring for and taking steps to prevent complications is a fundamental component of the care plan.
Choice D rationale:
The correct answer is "All of these" because the care plan for a child with DKA includes interventions that address fluid and electrolyte imbalances, hyperglycemia, and complications.
These interventions work together to stabilize the patient's condition and prevent further deterioration.
Correct Answer is ["A","B","C","E"]
Explanation
Blood glucose levels.
B. Electrolyte levels.
C. Respiratory rate.
E. Skin color.
Choice A rationale:
Monitoring blood glucose levels is essential in managing a child with diabetic ketoacidosis (DKA).
Hyperglycemia is a hallmark of DKA, and effective insulin therapy is necessary to lower blood glucose levels to normal or near-normal ranges.
Frequent blood glucose monitoring helps adjust insulin infusion rates, preventing both hyperglycemia and hypoglycemia.
Choice B rationale:
Electrolyte levels, including potassium, sodium, and chloride, should be closely monitored in a child with DKA.
DKA can lead to electrolyte imbalances, such as hypokalemia and hyponatremia, which can be life-threatening.
Monitoring electrolytes ensures that appropriate replacements are administered to correct these imbalances.
Choice C rationale:
Respiratory rate monitoring is vital to detect signs of impending respiratory distress in a child with DKA.
As DKA progresses, metabolic acidosis can result in Kussmaul respirations, which are deep and rapid.
Monitoring respiratory rate can help identify respiratory distress early and prompt timely intervention.
Choice E rationale:
Monitoring skin color is important to assess perfusion and oxygenation.
In severe cases of DKA, there may be impaired tissue perfusion, resulting in pallor or cyanosis.
Skin color changes can be an early indicator of circulatory compromise, and prompt action can help prevent complications associated with inadequate tissue perfusion.
Choice D rationale:
Cardiac output is not typically monitored as a routine measure in managing DKA.
While DKA can affect cardiac function indirectly by causing electrolyte imbalances, monitoring cardiac output is not a direct preventive measure for DKA complications.
Instead, the focus should be on correcting the underlying metabolic and electrolyte imbalances.
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