ATI RN
ATI Nutrition Practice Test B 2019
1. Which foods increase iron absorption when consumed with nonheme iron? (SATA)
- A. Kiwi
- B. Strawberries
- C. Coffee
- D. A, B
Correct answer: D
Rationale: Kiwi and strawberries are high in vitamin C, which increases iron absorption.
2. During the first six months of lactation, a breastfeeding mother is advised to consume how many extra kcalories per day to meet energy needs?
- A. 250
- B. 330
- C. 400
- D. 470
Correct answer: B
Rationale: A breastfeeding mother is advised to consume an additional 330 kcalories per day during the first six months to support milk production and meet increased energy needs.
3. What is the main function of dietary fiber in managing cholesterol levels?
- A. To reduce absorption of dietary fats
- B. To increase cholesterol synthesis
- C. To enhance protein digestion
- D. To decrease cholesterol absorption
Correct answer: D
Rationale: Dietary fiber helps lower cholesterol levels by binding to bile acids and reducing cholesterol absorption.
4. Magnesium's major functions in the body would be least likely to include which of the following?
- A. allowing muscles to relax after contraction
- B. assisting the operation of hundreds of enzymes
- C. synthesis of protein in the soft tissues
- D. regulation of body temperature
Correct answer: D
Rationale: Magnesium plays a key role in muscle relaxation, enzyme operation, and protein synthesis, but it is not directly involved in regulating body temperature.
5. Sickle cell disease is an example of an inherited mistake in the amino acid sequence.
- A. TRUE
- B. FALSE
- C.
- D.
Correct answer: A
Rationale: The statement is TRUE. Sickle cell disease is caused by a genetic mutation in the hemoglobin gene, leading to an abnormal amino acid sequence. This results in the production of abnormal hemoglobin molecules, causing red blood cells to become sickle-shaped. This inherited condition is a classic example of a genetic error affecting the amino acid sequence, making choice A the correct answer. Choices B, C, and D are incorrect as they do not accurately reflect the nature of sickle cell disease.
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