Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

24. Lipid Metabolism

Ketone Bodies

GOB Chemistry

24. Lipid Metabolism

Ketone Bodies

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3:53 minutes

Problem 98

Textbook Question

A person is brought to the emergency room in what appears to be a drunken stupor. On closer examination, she seems to be breathing very rapidly and you notice a sweet-smelling odor on her breath. You find out this person has not been drinking alcohol. What is her likely condition?

Verified step by step guidance

Step 1: Recognize the symptoms described in the problem. The person is breathing rapidly (hyperventilation) and has a sweet-smelling odor on their breath. These are key clinical observations.

Step 2: Understand that the sweet-smelling odor on the breath is often associated with the presence of ketones, which are produced during fat metabolism. This can occur when the body is unable to use glucose effectively for energy.

Step 3: Recall that rapid breathing (hyperventilation) can be a compensatory mechanism for metabolic acidosis, a condition where the blood becomes too acidic. This is often seen in conditions like diabetic ketoacidosis (DKA).

Step 4: Consider the possibility of diabetic ketoacidosis (DKA) as the likely condition. DKA occurs when there is insufficient insulin, leading to high blood glucose levels and the breakdown of fats into ketones, which can cause the sweet-smelling breath and acidosis.

Step 5: Conclude that the person should be tested for blood glucose levels, ketone levels, and blood pH to confirm the diagnosis of diabetic ketoacidosis and begin appropriate medical treatment immediately.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Diabetic Ketoacidosis (DKA)

Diabetic Ketoacidosis is a serious complication of diabetes that occurs when the body starts breaking down fats at an excessive rate, leading to the production of ketones. This condition often arises in individuals with type 1 diabetes and can result in symptoms such as rapid breathing, confusion, and a sweet, fruity odor on the breath due to the presence of acetone.

Acidosis

Acidosis refers to an excess of acid in the body fluids, which can occur in various medical conditions, including DKA. In this state, the blood pH drops below normal levels, leading to metabolic disturbances. The body attempts to compensate for this by increasing respiratory rate to expel carbon dioxide, which can manifest as rapid breathing.

Differential Diagnosis

Differential diagnosis is the process of distinguishing a particular disease or condition from others that present with similar clinical features. In this scenario, the presence of rapid breathing and a sweet odor on the breath necessitates considering conditions like DKA, rather than alcohol intoxication, to arrive at the correct diagnosis and treatment plan.

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