ATI LPN
Study Guide for Fundamentals of Nursing Care: Concepts, Connections & Skills
Chapter 29 : Fluids, Electrolytes, and Introduction to Acid-Base Balance Questions
Question 1 of 5
Ionized calcium is needed for which of the following body functions?
Correct Answer: B,E
Rationale: Ionized calcium is essential for nerve impulse transmission and muscle contraction/relaxation.
Question 2 of 5
The blood's bicarbonate level is controlled by which system(s)?
Correct Answer: D
Rationale: Bicarbonate levels are regulated by the respiratory system (CO2 exhalation), renal system (bicarbonate reabsorption/excretion), and buffer systems (chemical buffering).
Question 3 of 5
Which of the following statements is(are) accurate about caring for patients with hypocalcemia?
Correct Answer: A,B,D
Rationale: Hypocalcemia care involves monitoring for tingling, muscle twitching, tetany, and potential bradycardia from IV calcium administration.
Question 4 of 5
A patient who consumes a diet that is deficient in vitamin D may be at risk for deficiency of which of the following?
Correct Answer: A
Rationale: Vitamin D deficiency impairs calcium absorption, increasing the risk of calcium deficiency.
Question 5 of 5
Which of the following electrolytes does aldosterone influence the kidneys to save and/or excrete?
Correct Answer: A,C
Rationale: Aldosterone promotes sodium reabsorption and potassium excretion in the kidneys.