Skip to ContentGo to accessibility page

Chapter 10

Unfolding Case Study

1.
a. The recommended dose is 3–6 mg/kg/day for 2–3 months; 3 mg/kg/dose twice daily is equal to 6 mg/kg/day. Dividing the total daily dose will decrease gastrointestinal side effects.
2.
a. Having the client identify their food likes and dislikes is a collaborative strategy the nurse can use to develop a diet plan. Adolescents are more likely to adhere to diet modifications if they are partners in developing their nutritional plan.
3.
d. Taking iron with orange juice will increase gastrointestinal absorption. Taking iron with milk, tea, or coffee can decrease its absorption. Antacids should be taken 2 hours before or 4 hours after taking iron for better absorption because iron is better absorbed in an acidic environment. Missed doses of iron should not be made up.
4.
c. Feeling weak and dizzy may be a sign of low hemoglobin or worsening anemia. This can occur if oral iron is not absorbed sufficiently by the body.

Review Questions

1.
b. Common nutritional deficiencies affecting all ages include iron; vitamins B12, D, and K; and folate.
2.
a. The groups most frequently affected by anemia are pregnant individuals, infants and toddlers, female adolescents, and older adults.
3.
b. Infants and children have increased nutrient demands due to rapid physical and cognitive growth, resulting in rapid cell turnover.
4.
b. Decreased sun exposure is one of several risk factors for vitamin D deficiency.
5.
b. Zinc deficiency occurs in 31% of children between ages 1 and 3 years and can cause decreased immunity and increased infections. Foods rich in zinc include eggs and dairy products, which the child is not consuming.
6.
c. Clients with sickle cell disease are at high risk for vitamin D deficiency, which can increase their risk of disease-related effects.
7.
c. Older adults who consume excessive amounts of alcohol, live alone, smoke, or are obese are at risk for folate deficiency.
8.
b. Sickle cell disease is the most common inherited blood disorder in the United States. Clients with this disease are prone to micronutrient and macronutrient deficiencies.
9.
d. Iron-fortified foods such as breakfast cereals should be limited because this client is at risk for iron overload after the transfusion.
10.
c. The Mediterranean diet includes various foods and spices with anti-inflammatory and antioxidant properties.
Citation/Attribution
Reuse and redistribution of this content in digital or print format:
  • This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's prior written permission.
  • This book uses the Creative Commons Attribution-NonCommercial-ShareAlike License, which means that you can reuse and modify the material only for noncommercial purposes, must attribute OpenStax, and must distribute any derivative works under the same license.
  • Any commercial printing of this textbook, including using a local or custom printer, must be approved by OpenStax, and proper citation provided.
  • OpenStax-copyrighted images, activities, assessments, and similar components of this book are subject to the same licensing – CC-BY-NC-SA. They can be used for noncommercial purposes with attribution. Commercial use requires permission.
  • Permission requests: Anyone who intends to incorporate this content (including text, images, and other components) into large language models, use it in AI offerings, use it commercially (including in print), and/or has questions about another use case is welcome to complete our reuse request form.
Attribution information
  • If you are redistributing all or part of this book in a noncommercial print format, then you must include on every physical page the following attribution:

    Access for free at https://openstax.org/books/nutrition/pages/1-introduction

  • If you are redistributing all or part of this book in a noncommercial digital format, then for every page that includes OpenStax content, you must license the derivative work under the same CC-BY-NC-SA license as the original, and include on every digital page view the following attribution:

    Access for free at https://openstax.org/books/nutrition/pages/1-introduction

Citation information

The information below includes the information needed to generate citations in most major styles (APA, MLA, etc.); you must reformat and organize the information as needed to fit the requirements of the style. Use the information below to generate a citation. We recommend using a citation tool such as this one.

© Apr 23, 2026 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike License. The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo, and Rice University name, and Rice University logo trademarks, or wordmarks are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.