Randi, a 24 year old, reports that "I have been urinating two to three times an hour, and it burns and itches and smells awful. My belly feels "yucky." When you ask Randi about pain, she states: "I don't have any pain at the back of my waist." Her temperature is 99.8°F. A clean voided urine sample is positive for leukocytes and the bacterium E. coli. Randi's UTI is most likely to be a(n):

A. Blood glucose levels in DKA are typically higher than in HHS: In fact, HHS usually presents with higher blood glucose levels than DKA—often exceeding 600 mg/dL, while DKA typically ranges from 250 to 600 mg/dL.

B. DKA involves significant ketosis and metabolic acidosis, while HHS typically does not: DKA is characterized by the breakdown of fats into ketones, leading to metabolic acidosis. HHS typically lacks significant ketosis because insulin levels, while low, are still sufficient to suppress ketogenesis.

C. DKA is more common in type 1 diabetes, while HHS is more common in type 2 diabetes: DKA usually occurs in individuals with type 1 diabetes due to absolute insulin deficiency. HHS is more often seen in type 2 diabetics who still produce some insulin but not enough to prevent severe hyperglycemia and dehydration.

D. None of the above: This choice is incorrect, as B, C, and E are valid differences between DKA and HHS.

E. HHS patients often have more severe dehydration than DKA patients: HHS leads to profound osmotic diuresis over a longer period, causing extreme dehydration. DKA progresses faster but with less total fluid loss compared to HHS.

A. The Somogyi effect results from an excessive insulin dose causing hypoglycemia overnight, triggering a rebound hyperglycemia via release of glucagon, cortisol, and growth hormone. In contrast, the dawn phenomenon is a natural early morning rise in blood glucose due to circadian increases in cortisol and growth hormone without preceding hypoglycemia.

B. The Somogyi effect happens only in type 2 diabetes, while the dawn phenomenon happens only in type 1 diabetes: Both effects can occur in either type 1 or type 2 diabetes depending on insulin therapy and individual physiology.

C. Both the Somogyi effect and the dawn phenomenon occur due to nighttime hyperglycemia: The Somogyi effect starts with nighttime hypoglycemia, not hyperglycemia, while the dawn phenomenon involves a gradual early morning rise in glucose levels.

D. The Somogyi effect is caused by insufficient insulin at night, while the dawn phenomenon is caused by excessive nighttime insulin: The Somogyi effect is caused by excessive insulin leading to hypoglycemia, not insufficient insulin. The dawn phenomenon is unrelated to nighttime insulin dosing and is caused by hormonal changes.