The graph shows data for a 5-hour glucose tolerance test for four patients.
Symptoms of a patient with diabetes during a 5-hour glucose tolerance test include a high blood-glucose level that increases quickly and then decreases only minimally over the 5-hour period. Which patient displays symptoms of diabetes?

Rationale

Patient 4 displays symptoms of diabetes during the 5-hour glucose tolerance test.

This patient exhibits a high blood-glucose level that rises quickly and shows minimal decrease over the testing period, consistent with the characteristics of diabetes.

A (patient 2) YOUR ANSWER

Patient 2 may show some fluctuation in blood glucose levels, but their results do not indicate a rapid increase followed by a significant plateau, which is characteristic of diabetes. Instead, they likely demonstrate a more typical glucose response.

B (patient 1) YOUR ANSWER

Patient 1's blood glucose levels may rise initially but should then fall significantly, indicating that their body is responding appropriately to the glucose challenge. This pattern is not consistent with diabetes symptoms, which would typically show less decrease.

C (patient 4) CORRECT

Patient 4's data clearly shows a rapid increase in blood-glucose levels that does not significantly decrease over the 5-hour period. This pattern aligns with the symptoms of diabetes, where the body struggles to process glucose effectively, leading to prolonged high levels.

D (patient 3) YOUR ANSWER

Patient 3 may show some initial elevation in glucose levels; however, their response likely includes a notable decrease, which does not align with the diabetic response pattern. This indicates that their glucose metabolism is functioning more normally.

Conclusion

In summary, the identifying symptoms of diabetes during a glucose tolerance test include a sharp rise in blood-glucose levels that fails to decrease significantly over time. Patient 4 exemplifies this pattern, confirming the presence of diabetes, while the other patients demonstrate more typical glucose regulation responses. Understanding these patterns is crucial for diagnosing and managing diabetes effectively.

Patient 4 displays symptoms of diabetes during the 5-hour glucose tolerance test.

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