Question
Which of the following is used by RBCs in the fasting state?
| A. | Glucose |
| B. |
Alanine |
| C. |
Ketone body |
| D. |
Fatty acid |
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Correct Answer � A Explanation |
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Ans: A. Glucose
Glucose is used by RBCs in a fasting state.
| Organ | Fed | Fasting | Starvation |
| Brain | Glucose | Glucose | Ketone bodies |
| Heart | Fatty | Fatty acids | Ketone bodies |
| Liver | Glucose | Fatty acids | Amino acids |
| Muscles | Glucose | Fatty acids | Fatty acids & ketone |
| Adipose tissue | Glucose | Fatty acids | Fatty acids & ketone |
| RBCs | Glucose | Glucose |