After 6 months a patient came for a follow-up visit. He indicates that his blood sugars have been around 100 to 120 mg/dL, and he has been fully participating in the other aspects of his diabetes management plan. Which would lead you to believe that he has not been in tight control of his diabetes?
A random blood sugar of 150 mg/dL performed in the clinic
There is no method to determine whether or not he is in tight control
A reduced glycosylated hemoglobin level
An elevated glycosylated hemoglobin level
The Correct Answer is D
A. A random blood sugar of 150 mg/dL is within an acceptable range for someone with diabetes, though it may suggest some fluctuation in blood glucose levels. It does not definitively indicate poor control of diabetes.
B. There are multiple methods to determine if diabetes is under tight control, including blood glucose monitoring and glycosylated hemoglobin (HbA1c) testing.
C. A reduced glycosylated hemoglobin level would indicate that blood glucose levels have been well-controlled over the past few months, suggesting that the patient is in tight control.
D. An elevated glycosylated hemoglobin level indicates that the patient's average blood glucose levels have been higher than recommended over the past 2-3 months, suggesting poor control of diabetes despite the patient's reported blood sugar levels. HbA1c is a key indicator of long-term glucose control.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. In diabetic ketoacidosis (DKA), serum bicarbonate is typically decreased, not increased. The decrease is due to metabolic acidosis resulting from the accumulation of ketones.
B. Serum potassium is often elevated in DKA initially due to the shift of potassium from inside the cells to the bloodstream as a result of acidosis. However, potassium levels may drop with treatment, especially with insulin administration, which drives potassium back into cells.
C. Urine pH in DKA is often acidic due to the presence of ketones, which are acidic byproducts of fat metabolism. A urine pH of 4.0 indicates aciduria, which is consistent with ketoacidosis.
D. Serum pH in DKA is typically low (below 7.35), indicating acidosis. A serum pH of 7.5 would suggest alkalosis, which is not typical of DKA.
Correct Answer is A
Explanation
A. Consolidation refers to the accumulation of inflammatory products, such as exudate, in the alveoli of the lungs, which is a hallmark finding in pneumonia. It appears as a dense, solid area on chest X-ray and indicates that the lung tissue has become filled with fluid, pus, and cellular debris.
B. Exudation is the process by which fluid and cells leak out of blood vessels into the surrounding tissues, which is part of the inflammatory response in pneumonia. However, consolidation is the specific diagnostic finding that results from exudation in pneumonia.
C. Pneumonia is the overall condition being described, but it is not the diagnostic finding itself. Consolidation is the key radiological and clinical finding in pneumonia.
D. Hemoptysis, or coughing up blood, can occur in some cases of pneumonia, but it is not a typical or defining diagnostic finding of pneumonia. It is more often associated with conditions like tuberculosis or lung cancer.
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