ATI LPN
Nutrition and Fluid Balance Chapter 14 Questions
Question 1 of 5
You've been working outside in the hot sun and are dripping wet with sweat. Your fluid intake has been minimal as you have been too busy to stop and get a drink. You would expect
Correct Answer: D
Rationale: Sweating increases osmolality, stimulating ADH to conserve water.
Question 2 of 5
Most of the calcium in the body is in the
Correct Answer: A
Rationale: Over 99% of body calcium is stored in bones as hydroxyapatite.
Question 3 of 5
Parathyroid hormone effects the
Correct Answer: C
Rationale: PTH acts on bones (resorption), kidneys (reabsorption), and intestines (via vitamin D).
Question 4 of 5
Under normal conditions, most water loss from the body is through the
Correct Answer: B
Rationale: The kidneys excrete the majority of water via urine under normal conditions.
Question 5 of 5
Which of the following substances releases hydrogen ions into a solution?
Correct Answer: A
Rationale: Acids donate hydrogen ions, lowering pH.