Which items contain 15 grams of simple carbohydrates? Select all that apply.

The correct answer is based on the understanding of how many grams of carbohydrates are typically found in various common food items. Glucose gel is specifically formulated to provide a rapid source of simple carbohydrates, and a standard serving of glucose gel typically contains around 15 grams of carbohydrates.

The other items mentioned also provide simple carbohydrates but may not consistently meet the 15-gram criterion depending on specific serving sizes. For example, five to six pieces of hard candy can vary in carbohydrate content based on the type and size of the candy. Similarly, while one tablespoon of honey and one tablespoon of sugar do contain simple carbohydrates, they typically have different carbohydrate amounts per tablespoon, and may not precisely total 15 grams when considered in strict measurement contexts.

Thus, glucose gel is a very reliable and standardized source of 15 grams of simple carbohydrates, making it the accurate choice in this question.