ATI RN
Nutrition and Fluid Balance Questions
Question 1 of 5
Most nutritionists recommend increasing fiber in the diet. In addition to other benefits, how does fiber affect cholesterol?
Correct Answer: A
Rationale: Fiber binds cholesterol in the gut, increasing its excretion and lowering blood cholesterol.
Question 2 of 5
A nurse is teaching a young mother about meal preparation for good nutrition. What is one recommendation of the MyPyramid Food Guide?
Correct Answer: B
Rationale: MyPyramid recommends whole grains for fiber and nutrients.
Question 3 of 5
A student is following current recommendations for assessing tube placement. A staff nurse says, Oh, just insert air and listen for a whoosh sound. How would the student respond?
Correct Answer: B
Rationale: The "˜whoosh' method is outdated and unreliable compared to pH testing or X-ray confirmation.
Question 4 of 5
Which body fluid is the fluid within the cells, constituting about 70% of the total body water?
Correct Answer: B
Rationale: Intracellular fluid (ICF) is inside cells and makes up ~70% of total body water.
Question 5 of 5
By what route do oxygen and carbon dioxide exchange in the lung?
Correct Answer: C
Rationale: Oxygen and CO2 exchange via diffusion across alveolar membranes based on concentration gradients.