TIA Nutrition 1 — Questions and Answers
Question 1: A nurse is teaching a client about dietary sources of complete proteins. Which food contains all essential amino acids?
- Brown rice
- Black beans
- Chicken breast (Correct answer)
- Whole wheat bread
Correct answer: Chicken breast
Chicken breast is an animal-based food that provides all nine essential amino acids, making it a complete protein source.
Question 2: A client is prescribed a potassium-restricted diet. Which food should the nurse instruct the client to avoid?
- White rice
- Bananas (Correct answer)
- Iceberg lettuce
- White bread
Correct answer: Bananas
Bananas are high in potassium and should be avoided by clients on a potassium-restricted diet.
Question 3: Which vitamin deficiency is most commonly associated with night blindness?
- Vitamin C
- Vitamin D
- Vitamin A (Correct answer)
- Vitamin K
Correct answer: Vitamin A
Vitamin A is essential for the production of rhodopsin in the retina, and its deficiency leads to night blindness.
Question 4: A nurse is caring for a client with iron-deficiency anemia. Which food combination best enhances iron absorption?
- Spinach and milk
- Red meat and orange juice (Correct answer)
- Eggs and coffee
- Beans and tea
Correct answer: Red meat and orange juice
Vitamin C found in orange juice enhances the absorption of non-heme and heme iron from red meat.
Question 5: Which macronutrient provides 9 kilocalories per gram?
- Carbohydrates
- Protein
- Alcohol
- Fat (Correct answer)
Correct answer: Fat
Dietary fat provides 9 kcal/g, which is more than double the 4 kcal/g provided by carbohydrates or protein.
Question 6: A nurse is educating a pregnant client about folic acid. Why is adequate folic acid intake critical during the first trimester?
- To prevent gestational diabetes
- To reduce risk of neural tube defects (Correct answer)
- To improve fetal lung maturity
- To prevent preterm labor
Correct answer: To reduce risk of neural tube defects
Folic acid is essential during early fetal development to prevent neural tube defects such as spina bifida and anencephaly.
Question 7: Which type of dietary fiber helps lower LDL cholesterol levels by binding bile acids in the intestine?
- Insoluble fiber
- Cellulose
- Soluble fiber (Correct answer)
- Lignin
Correct answer: Soluble fiber
Soluble fiber forms a gel in the GI tract that binds bile acids, reducing their reabsorption and lowering LDL cholesterol.
A nurse is teaching a client about dietary sources of complete proteins.
Which food contains all essential amino acids?