ATI LPN
Fluid Electrolyte Balance and Nutritional Needs Questions
Question 1 of 5
The human body has adapted to feast of famine conditions be developing the capacity to store?
Correct Answer: C
Rationale: Fats are the primary energy storage form for feast-or-famine adaptation, making C correct.
Question 2 of 5
The enzymes that initiates digestion of starch in the mouth?
Correct Answer: A
Rationale: Salivary amylase (ptyalin) begins starch digestion in the mouth, making A correct.
Question 3 of 5
Which of the following fluid compartments contains the largest volume of water?
Correct Answer: C
Rationale: The intracellular compartment contains the largest volume of water, approximately 60% of total body water, as it encompasses all fluid within cells.
Question 4 of 5
The predominant extracellular cation is
Correct Answer: B
Rationale: Sodium is the predominant cation in extracellular fluid, critical for osmotic balance and nerve function.
Question 5 of 5
When aldosterone is absent, sodium reabsorption in the nephron is
Correct Answer: B
Rationale: Without aldosterone, sodium reabsorption decreases, as aldosterone promotes sodium retention in the kidneys.