Exam 1: NR228 / NR 228 (2024/2025 Update) Nutrition Guide with Questions and Verified Answers| 100% Correct | Grade A-Chamberlain

Exam 1: NR228 / NR 228 (2024/2025 Update) Nutrition Guide with Questions and Verified Answers| 100% Correct | Grade AChamberlain Q: Experimental study Answer: Type of research. Consists of an *experimental group* receiving treatment (or dietary change) and a *control group* receiving no treatment (no dietary change); differences, if any, are then noted. called clinical or laboratory study. Q: Case study Answer: Type of research. analyzes an *individual case* of a disease or health difference to determine how factors may influence health; a naturalistic study because no manipulation of dietary intake or behavior occurs. Q: Epidemiologic study Answer: Type of research. *Studies populations*; tracks the occur- rence of health or disease processes among populations; may use historical data, surveys, and/or medical records to determine possible factors influencing the health of a group of people. Q: Irradiation Answer: A procedure by which *food is exposed to radiation* that destroys microorganisms, insect growth, and parasites that could spoil food or cause illness. This food preservation technology results in an increase of international and domes- tic food trade. These foods may have a *longer shelf life* Q: Glycogen Answer: Carbohydrate energy stored in the liver and in the muscles. Q: Glycogenolysis Answer: Process when glycogen stored in the liver and muscle tissue is converted back to glucose. Q: Gluconeogenesis Answer: The process of producing glucose from fat. Q: Ketone bodies Answer: Created when fatty acids are broken down for energy when sufficient carbohydrates are unavailable. Q: Insulin Answer: A hormone produced by the beta cells of the islets of Langerhans, lowers blood glucose levels by enhancing the conversion of excess glucose to glycogen through glycogenesis or to fat stored in adipose tissue. It also eases the absorption of glucose into the cells so the use of glucose as energy is increased. Q: Glucagon Answer: This stimulates conversion of liver glycogen to glucose, assisting the regulation of glucose levels during the night. Q: Nutrients Answer: substances in foods required by the body for *energy, growth, main- tenance, and repair.* Some are essential. Q: Disease Prevention Answer: the process of reducing risks and alleviating disease to promote, preserve, and restore health and minimize suffering and distress Q: Primary Prevention Answer: methods to avoid occurrence of disease (ex. Low fat, high fiber diet) Q: Secondary Prevention Answer: -focuses on early identification of individuals or com- munities experiencing illness, providing treatment, and conducting activities that are geared to prevent worsening health status (ex. screenings, low sodium diet when just diagnosed with HTN) 

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