Gas exchange occurs in which of the following structures?

C. Medical nutrition therapy for diabetes involves creating a well-balanced, individualized meal plan that meets the patient's nutritional needs while helping to manage blood glucose levels. This approach can be healthy for the entire family and does not require separate meals or special foods. It promotes overall healthy eating habits that everyone can benefit from.
A. Low-carbohydrate diets may be considered for some patients but the emphasis of a diabetic diet is not necessarily on high-protein intake. Instead, the focus is on balanced meals that include appropriate amounts of carbohydrates, proteins, and fats.
B. People with diabetes do not require special foods; rather, they need to make healthier choices from the foods available. The emphasis is on a balanced diet that can include regular foods, with modifications to portion sizes and meal timing to manage blood glucose levels effectively.
D. It is not necessary to completely avoid sugars and fats; rather, the focus should be on moderating intake and choosing healthier options. For example, limiting added sugars and unhealthy fats (like trans fats and saturated fats) is important, but healthy fats (such as those from nuts, seeds, and avocados) can be part of a balanced diet.

C. Raisins are a source of carbohydrates, particularly simple sugars like glucose and fructose, which can quickly raise blood sugar levels during an episode of hypoglycemia. However, they do not contain protein, which can help sustain blood sugar levels over time. Raisins may provide a rapid increase in blood sugar but may not be as effective at preventing subsequent episodes of hypoglycemia.
A. Cheese is a source of protein and contains very little carbohydrate. While protein can help stabilize blood sugar levels, it may not provide a rapid increase in blood sugar during an episode of hypoglycemia. Cheese alone may not be the most effective choice for treating low blood sugar promptly.
B. Beef jerky is primarily a source of protein and may not contain enough carbohydrates to quickly raise blood sugar levels during an episode of hypoglycemia. While protein can help stabilize blood sugar over time, it may not provide the rapid increase in blood sugar needed to address acute hypoglycemia.
D. Chocolate, especially dark chocolate with a high cocoa content, contains carbohydrates in the form of sugar and fat. While it can quickly raise blood sugar levels due to its sugar content, it may not provide sustained energy due to its low protein content.