A hospital in another country reports blood glucose in mmol/L…
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
A hospital in another country reports blood glucose in mmol/L. One mmol/L of glucose is 18 mg/dL.
- A fasting level of mmol/L. What is it in mg/dL?
- A fasting level of mmol/L. What is it in mg/dL?
- A fasting level of mmol/L. What is it in mg/dL?
- Which of the three levels is above the fasting cut-off of 126 mg/dL for diabetes mellitus?
Need a reminder? The key ideaShow
Insulin comes from the beta cells and lowers the blood glucose: the liver cells and fat cells take up more glucose, and glycogenesis rises. Glucagon comes from the alpha cells and raises it: glycogenolysis and gluconeogenesis in the liver. Diabetes mellitus is a long hyperglycaemia. One mmol/L of glucose is 18 mg/dL. The cut-offs are 126 mg/dL fasting and 200 mg/dL at 2 hours.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Given. mmol/L mg/dL.
Plan. Multiply by , then compare with mg/dL.
Step 1. mmol/L. mg/dL.
Step 2. mmol/L. mg/dL.
Step 3. mmol/L. mg/dL.
Step 4. The cut-off. Only mg/dL is above mg/dL, so the level of mmol/L meets the cut-off.
Answer: mg/dL; mg/dL; mg/dL; the third level.
Check. The cut-off of mg/dL is mmol/L, and is above .
Watch out. The number in mg/dL is larger than the number in mmol/L, so multiply and do not divide.
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