NUTRITION AND DIET THERAPY
13TH EDITION
• AUTHOR(S)JOYCE ANN GILBERT;
ELEANOR SCHLENKER
TESTBANKS
1. Nutrition is best defined as:
A. The study of calories only.
B. The study of nutrients and their actions in the body.
C. The study of food service operations.
D. The study of pharmaceutical supplements.
Correct answer: B
Rationale: Nutrition covers nutrients (macro- and
micronutrients), their digestion, absorption, metabolism, and
role in health.
Citation: Williams’ Essentials of Nutrition and Diet Therapy, 13th
ed., Chapter 1: Nutrition and Health.
2. Which research design provides the strongest evidence for
causal effects of a dietary intervention on health
, outcomes?
A. Cross-sectional study
B. Case series
C. Randomized controlled trial (experimental)
D. Case-control study
Correct answer: C
Rationale: Randomized controlled trials assign interventions
and reduce bias, making them the best design for testing
causality.
Citation: Williams’ Essentials of Nutrition and Diet Therapy, 13th
ed., Chapter 1: Nutrition and Health.
3. The primary purpose of national nutrition policy and
dietary guidance is to:
A. Dictate individual meal plans for all citizens.
B. Translate nutrition science into population-level
recommendations to reduce chronic disease risk.
C. Regulate food prices.
D. Eliminate all fats from the food supply.
Correct answer: B
Rationale: Nutrition policy and guides are intended to apply
evidence to population guidance for health promotion and
chronic disease prevention.
Citation: Williams’ Essentials of Nutrition and Diet Therapy, 13th
ed., Chapter 1: Nutrition and Health.
, 4. Which of the following is a key component of nutrition
guides for food selection?
A. Recommending identical menus for everyone.
B. Translating nutrient recommendations into food-based
choices and portions.
C. Requiring daily use of dietary supplements.
D. Recommending zero carbohydrate intake.
Correct answer: B
Rationale: Food-selection guides help people choose foods that
meet nutrient needs by converting nutrient goals into food
choices and portions.
Citation: Williams’ Essentials of Nutrition and Diet Therapy, 13th
ed., Chapter 1: Nutrition and Health.
5. A pressing “new challenge” for health professionals in
nutrition is:
A. Decreasing rates of chronic disease worldwide.
B. The rising prevalence of diet-related chronic diseases
such as obesity and type 2 diabetes.
C. Lack of any nutrition research.
D. Universal food security in all regions.
Correct answer: B
Rationale: Health professionals must address increasing rates of
chronic, nutrition-related diseases in populations.
, Citation: Williams’ Essentials of Nutrition and Diet Therapy, 13th
ed., Chapter 1: Nutrition and Health.
6. Which category is part of the standard nutrition
assessment domains used by clinicians?
A. Genetic testing only
B. Anthropometric, biochemical, clinical, and dietary
assessment
C. Meteorological data
D. Pharmacy inventory
Correct answer: B
Rationale: Nutrition assessment typically includes
anthropometric, biochemical, clinical (physical exam), and
dietary data.
Citation: Williams’ Essentials of Nutrition and Diet Therapy, 13th
ed., Chapter 1: Nutrition and Health.
7. The Hazard Analysis and Critical Control Point (HACCP)
system is used primarily to:
A. Promote marketing of processed foods.
B. Identify and control hazards in the food production
process to ensure a safe food supply.
C. Increase food prices.
D. Eliminate the need for food labeling.