Carbohydrate Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Carbohydrate and links to relevant pages within the course.
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| Excessive carbohydrate loss that may occur due to vomiting, or rapid weight loss may result in the presence of which of following substances not normally contained in the urine? | View Page |
| Three Kinds of Ketones When the body breaks down fat for energy, three intermediate products are formed. These products, collectively referred to as ketones, are acetone, acetoacetic acid, and beta-hydroxybutyric acid. Normally, the body gets the energy it needs from carbohydrates in the diet. However, stored fat is broken down and ketones are produced and appear in the urine if the diet does not contain enough carbohydrate to supply the body with glucose for energy or if the body cannot use glucose properly. | View Page |
| Significantly increased levels of ketones are detected in the urine with which of the following conditions? (Choose ALL of the correct answers) | View Page |
| The capsular material used to identify capsular subtypes of Pneumococci consists of: | View Page |
| Which of the following is used as the indicator in the rapid carbohydrate utilization tests: | View Page |
| Different species of Neisseria can be differentiated from each other by: | View Page |
| Causes of Ketonuria Under conditions of abnormal carbohydrate metabolism such as occurs in diabetes mellitus, ketones accumulate in the blood (ketonemia) and are excreted in the urine (ketonuria). The accumulation of ketone bodies is often the cause of acidosis and coma in diabetics. | View Page |
| Other Causes of Ketonuria Ketonuria can also be found in conditions associated with a decreased intake of carbohydrates (starvation), digestive disturbances, dietary imbalance (high fat/low carbohydrate diet), eclampsia, prolonged vomiting and diarrhea, glycogen storage diseases, vigorous exercise, fever, and following administration of anesthesia. Ketone bodies are mildly toxic to the body, tending to interfere with the excretion of uric acid, produce mild depression of the central nervous system, and cause acidosis. | View Page |
| The carbohydrate utilization reaction seen in the QuadFerm system shown in the picture provides a definitive identification of N. gonorrhoeae: | View Page |