What is the main difference between the Somogyi effect and the dawn phenomenon in patients with diabetes?
The Somogyi effect occurs due to nighttime hypoglycemia and counter regulatory hormones which increase blood glucose, while the dawn phenomenon occurs due to increased early morning cortisol and growth hormone not triggered by hypoglycemia
The Somogyi effect happens only in type 2 diabetes, while the dawn phenomenon happens only in type 1 diabetes
Both the Somogyi effect and the dawn phenomenon occur due to nighttime hyperglycemia
The Somogyi effect is caused by insufficient insulin at night, while the dawn phenomenon is caused by excessive nighttime insulin
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Liver cirrhosis: Although chronic alcohol use can cause cirrhosis, the acute presentation with severe abdominal pain, fever, hypotension, and elevated amylase and lipase is more indicative of pancreatitis rather than cirrhosis, which typically presents with chronic symptoms.
B. Acute pancreatitis: Sudden severe abdominal pain, fever, low blood pressure, and elevated inflammatory markers like C-reactive protein along with elevated pancreatic enzymes (amylase and lipase) strongly suggest acute pancreatitis. Alcohol use is a common risk factor for this condition.
C. Hepatitis C: This usually presents with more chronic symptoms related to liver dysfunction fatigue, nausea, dark urine, and jaundice. It does not cause elevated pancreatic enzymes or acute abdominal pain.
D. Cholecystitis: While cholecystitis causes abdominal pain and fever, it does not typically cause elevated amylase and lipase levels unless there is associated pancreatitis. The vital signs and enzyme elevations point more directly to pancreatitis.
Correct Answer is B
Explanation
Acute gastritis is indeed a transient inflammation of the gastric mucosa and often results from local irritants like aspirin, NSAIDs, alcohol, caffeine, and contaminated food. It is typically self-limiting and resolves once the irritant is removed. However, the statement is incorrect in describing it as "very serious" in most cases. While complications can occur, acute gastritis is usually mild and not considered very serious unless left untreated.
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