HOSA 2025 Nutrition Assessment Practice Test - Complete Exam Prep

Polyunsaturated fat is the type of fat that contains multiple double bonds in its fatty acid chains. This characteristic is crucial because the presence of multiple double bonds influences the physical properties and health effects of the fat. Polyunsaturated fats are typically liquid at room temperature and are found in foods such as fish, nuts, seeds, and vegetable oils.

The significance of these multiple double bonds extends to their health benefits, as polyunsaturated fats include essential fatty acids like omega-3 and omega-6, which play vital roles in cellular function and cardiovascular health. This can help lower the risks of heart disease and improve overall health when consumed in appropriate amounts as part of a balanced diet.

In contrast, saturated fats have no double bonds and are typically solid at room temperature, which can lead to higher cholesterol levels and increased risk of heart disease when consumed in excess. Mono-unsaturated fats contain only one double bond and are considered healthier than saturated fats. Trans fats, often found in processed foods, can negatively impact heart health and are associated with an increased risk of cardiovascular disease.