Tagged: insulin

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Alcohol induced hypoglycemia

Case details A known alcoholic is found lying semiconscious at the bottom of a stairwell with a broken arm by his landlady, who called an ambulance to take him to the emergency room. Initial laboratory studies showed are relatively large anion gap of 34 (normal = 9 to 15). His blood alcohol was elevated at 245 mg/dL (intoxication level = 150 to 300 mg/dL), and his blood glucose was 38 mg/dL (low normal). The patient/s large anion gap and hypoglycemia can best be explained by which of the following? A. Decreased secretion of glucagon B. Increased secretion of insulin C....

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Low body fat mass and hormone levels ?

An 11-year-old girl is presented at the clinic with reports of frequent fainting and lethargy. The girl is 5 ft tall and weighs 80 lb. Skin fold tests show an abnormally low percentage of body fat mass. Which of the following hormones is likely to be severely diminished in this patient? A. Cortisol B. Epinephrine C. Glucagon D. Insulin E. Thyroid Answer- The correct answer is D. The patient has low body weight and fat mass and there are frequent fainting attacks. Apparently her condition is consistent with a low energy state that might be due to poor diet or...

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Role of Insulin in Diabetic ketoacidosis

Case details An 8-year old boy, a known diabetic (type 1 DM), has been brought to emergency room in a state of coma. His breathing is rapid and deep, and his breath has a fruity odor. His blood glucose is 480 mg/dL. The attending physician has administered IV fluids, insulin, and potassium chloride. A rapid effect of insulin in this situation is to stimulate A. Gluconeogenesis in liver B. Fatty acid release from adipose C. Glucose transport in muscle D. Ketone utilization in the brain E. Glycogenolysis in the liver Answer- The right answer is- c) Glucose transport in muscle....

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Answer- Case study- Gestational Diabetes Mellitus and Neonatal hypoglycemia-A patient who had gestational diabetes has just delivered …

A patient who had gestational diabetes has just delivered a 10 lb baby. The baby appears “jittery” and heel stick glucose is 30 mg/dL. Which of the following mechanisms is the explanation for the newborn’s hypoglycemia? A. The mother’s relative hyperinsulinemia B. The baby’s relative hyperinsulinemia C. The mother’s hyperglycemia D. The baby’s hyperglycemia E. Placental insulin production Answer- The correct answer is- B- The baby’s relative hyperinsulinemia. Gestational diabetes is a condition characterized by high blood glucose levels that is first recognized during pregnancy. The condition occurs in approximately 4% of all pregnancies. Almost all women have some degree...

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Case study- Gestational Diabetes and neonatal hypoglycemia-A patient who had gestational diabetes has just delivered ..

A patient who had gestational diabetes has just delivered a 10 lb baby. The baby appears “jittery” and a heel stick glucose is 30 mg/dL. Which of the following mechanisms is the explanation for the newborn’s hypoglycemia ? A. The mother’s relative hyperinsulinemia B. The baby’s relative hyperinsulinemia C. The mother’s hyperglycemia D. The baby’s hyperglycemia E. Placental insulin production For answer follow the link http://usmle.biochemistryformedics.com/answer-case-study-gestational-diabetes-mellitus-and-neonatal-hypoglycemia-a-patient-who-had-gestational-diabetes-has-just-delivered/ Please help Biochemistry for Medics by “CLICKING ON THE ADVERTISEMENTS” every time you visit us. Thank you!

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