ATI RN
Chapter 14 Nutrition and Fluid Balance Answer Key Questions
Question 1 of 5
To diagnose SIADH as the cause of hyponatremia which must not be present?
Correct Answer: A
Rationale: SIADH is characterized by euvolemia or hypervolemia, not hypovolemia.
Question 2 of 5
Which statement is incorrect?
Correct Answer: D
Rationale: In chronic respiratory acidosis, HCO3 rises by 3-4 mmol/L per 10 mmHg pCO2 increase, not 2.
Question 3 of 5
The normal anion gap is
Correct Answer: C
Rationale: Normal anion gap is typically 8-12 mmol/L, so <18 is the most accurate range here.
Question 4 of 5
Which statement is incorrect with regards to blood products?
Correct Answer: C
Rationale: Platelets do not require strict ABO compatibility, though it's preferred.
Question 5 of 5
Which trace mineral would best be increased for a PN-dependent patient with intractable diarrhea?
Correct Answer: A
Rationale: Intractable diarrhea leads to significant zinc loss via the stool. For a PN-dependent patient, increasing zinc supplementation is critical to prevent deficiency and support wound healing and immune function.