Questions tagged [blood-sugar]
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If insulin secretion is ATP-induced, why don't fatty acids trigger insulin secretion?
I learned in my university physiology course that insulin is released by pancreatic beta-cells in response to glucose that is metabolized and thus increase cellular ATP levels, which in turn close ...
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Why does activity cause hypoglycaemia in diabetics?
(I'm from the UK so I'll be using mmol/L as units and taking <4.0 as hypoglycaemia.)
I remember being told that I should consume a small amount of sugar or reduce insulin dose sightly to increase ...
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What is the purposes of these sugars?
What is the function of $\alpha$-D-glucofuranose and $\beta$-D-glucofuranose?
Are they both converted into energy? Or are they just different variations with no particular difference in function?
I ...
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Is ghrelin only secreted when the stomach is empty?
Several texts indicate that ghrelin is secreted when the stomach is empty. However, some(not all) texts also indicate that ghrelin is secreted when blood sugar levels are low. Is the second statement ...
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Calculating the Glycemic Index using an AUC Glucose/Blood curve?
Does anyone know the mathematics to calculate the Glycemic Index using a AUC Glucose/Blood curve? Is there an article documenting the process? I understand that algebra and integral calculus is ...
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(Why) can't blood sugar spikes be countered by consuming fiber generally?
Excessive sugar consumption is a widely-acknowledged problem in the modern Western diet.
One of the specific problems often stated is that the quick consumption of highly sugar-laden foods leads to ...
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How is the glycemic index computed from a blood sugar curve?
The definition of the glycemic index is often given as the area under curve (AUC) of their two-hour blood sugar response. However, it's essentially meant to be a measure of whether food causes a fast ...
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A question about microbes growing media
I was told in my microbiology course that blood agar can be put in GasPak system (anearobic) to grow strict anaerobes, but why would someone use blood-dependent bacteria in this experiment as these ...
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How much does 10g of glucose raise the blood glucose level?
If you would calculate it:
~5 liters of blood = 50 deciliters
10g glucose = 10000 milligram
so the glucose level raises by 10000mg/50dl = 200mg/dl
However, it is known that ingesting 10g glucose ...
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Why is sugar absorbed very fast into the blood stream?
Recently, I heard from a pregnant person I know that immediately after she eats something sugary/sweet, the baby starts kicking and moving around, as if reacting to the sugar. She told me (...
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Statistical Analysis for Blood Sugar Measurements
I've conducted a lab aimed towards finding the impact of soluble fiber intake on the change in blood sugar levels. Following an 8 hour fast, I had test subjects consume a fixed amount of carbohydrates,...
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Why is plasma glucose concentration not double that of whole blood?
It is known that the concentration of plasma glucose is 12% higher than that of whole blood. But since 45-50% of whole blood is red blood cells, shouldn't the plasma glucose be almost double — since ...
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Does hunger necessarily mean that we should eat?
People feel hunger sooner after they eat food that consists mostly of carbohydrates. For example, if someone eats a good portion of rice then most likely they will be hungry after a couple of hours. ...
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Source of blood glucose during starvation [closed]
During starvation there is many source for glucose such as pyruvate, lactate, amino acids (except leucine and lysine) and glycerol from triglycerides but what is the major source of blood glucose ?
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Diabetes Mellitus and renal failure?
I have studied that Diabetes Mellitus leads to kidney failure and that this is because of the damage to the blood vessels (especially the blood vessels in the kidney) due to high levels of blood ...
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What happens if a non-diabetic receives an injection of insulin?
If a person without diabetes or any diabetes-related issues receives an injection of insulin, what happens? Would the blood glucose level drop or does the body naturally compensate for the added ...
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Target cells of adrenaline?
I have been thinking about how adrenaline increases blood sugar levels, but have not been able to find an answer to the target cells. Does it affect the hepatocytes and muscle cells, like glycogen?
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What are the differences between how glucagon and cortisol work to increase blood sugar?
As I understand it, both cortisol and glucagon cause an increase in blood sugar concentrations. However, I don't understand how they work differently or why they work separately. I would be very ...
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What happens when we eat excess fat?
The fats in our body are stored in fat cells. When we over eat fats does the size of our fat cells increase, are more fat cells generated, or do we "throw out" excess fat?
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Can sugar be absorbed orally within seconds? [duplicate]
Whenever I feel a little light headed or tired, it helps to eat something sweet.
Specifically, simply chewing or sucking on a sweet seems to aleviate the symptoms within a matter of seconds and then ...
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Antihistamine's effect on insulin secretion and tiredness?
Antihistamines are known to cause tiredness.
The essential hormones of the body are insulin (glucose), parathyroid hormone (calcium) and aldosterone (Na-K ATPase, sodium).
I am thinking how this ...
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