Dietetic Technician Practice Test

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Prepare for the Dietetic Technician Exam. Study with flashcards and multiple choice questions, each question includes hints and explanations to aid understanding. Boost your confidence for the exam!

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Which fatty acid is considered essential and must be obtained through diet?

Omega-3
Palmitic acid
Stearic acid
Arachidic acid

The correct answer is: Omega-3

Omega-3 fatty acids are classified as essential fatty acids because the human body cannot synthesize them in sufficient quantities to meet physiological needs. This necessitates their inclusion in the diet. Omega-3s, particularly alpha-linolenic acid (ALA), play critical roles in various bodily functions, including the maintenance of heart health, brain function, and anti-inflammatory processes. On the other hand, palmitic acid, stearic acid, and arachidic acid are types of saturated fatty acids or non-essential fatty acids. The body is capable of producing them, meaning they do not need to be consumed through diet for the body to function properly. Thus, while they are important in certain contexts, they are not categorized as essential fatty acids in the same way that omega-3s are.