THERAPY 15TH EDITION EXAMPREP 2026
FULL QUESTIONS AND VERIFIED ANSWERS
⩥ What role does nutrition play in health? Answer: Nutrition plays a role
directly or indirectly in all body processes and disease states, helping to
prevent or delay the onset of many diseases.
⩥ What is dietetics? Answer: Dietetics is the field of science that
determines how nutrition and good eating affect overall health.
⩥ How can nurses promote good nutrition? Answer: Nurses can promote
good nutrition by educating patients, serving meals positively, assisting
with eating, recording weight and intake, observing signs of poor
nutrition, and serving as communication links.
⩥ What are the processes involved in nutrition? Answer: The processes
involved in nutrition are ingestion, digestion, absorption, metabolism,
and excretion.
⩥ What is ingestion? Answer: Ingestion is the taking of food into the
digestive tract, generally through the mouth.
, ⩥ What is digestion? Answer: Digestion involves mechanical and
chemical processes that convert nutrients to a physically absorbable
state.
⩥ What is absorption in the context of nutrition? Answer: Absorption is
the process whereby the end products of digestion pass through the
epithelial membranes in the intestines and into blood or lymph systems.
⩥ What is metabolism? Answer: Metabolism is the conversion of
nutrients into energy, including anabolism (constructive process) and
catabolism (destructive process).
⩥ What is excretion? Answer: Excretion is the process of eliminating or
removing waste products from the body.
⩥ What are the six types of essential nutrients? Answer: The six types of
essential nutrients are water, carbohydrates, fats, proteins, vitamins, and
minerals.
⩥ What are the Dietary Guidelines for Americans? Answer: These
guidelines form the foundation of U.S. federal nutrition policy,
addressing the importance of adequate nutrition and the prevention of
over nutrition and disease.