ATI RN
Chapter 14 Nutrition and Fluid Balance Workbook Answers Questions
Question 1 of 5
Decreased ECF volume causes
Correct Answer: A
Rationale: Decreased ECF volume triggers sympathetic activation to increase heart rate and vasoconstriction.
Question 2 of 5
The normal pH range for most body fluids is
Correct Answer: D
Rationale: Normal body fluid pH is tightly regulated between 7.38 and 7.42.
Question 3 of 5
interstitial osmolarity allows urine to be concentrated.
Correct Answer: A
Rationale: High medullary interstitial osmolarity drives water reabsorption to concentrate urine.
Question 4 of 5
How do kidneys alter urine concentration?
Correct Answer: A
Rationale: Kidneys adjust urine concentration by modulating water and sodium reabsorption in the distal nephron based on hormonal signals.
Question 5 of 5
When the pH of the extracellular fluid declines, the kidneys
Correct Answer: C
Rationale: Kidneys reabsorb potassium and excrete hydrogen ions to correct low pH.