ATI LPN
Foundations and Adult Health Nursing Test Bank
Chapter 18 Questions
Question 1 of 5
When a patient takes substances into the body they first enter the extracellular compartment. What must the substances enter to carry out their function?
Correct Answer: B
Rationale:
To carry out their function, substances must enter the cell.
Question 2 of 5
Electrolytes are not measured by weight; their chemical activity is expressed in milliequivalents. What does 1 mEq of potassium have the same combining power as?
Correct Answer: C
Rationale: Electrolytes are measured in milliequivalents: 1 mEq of any electrolyte is equal to 1 mEq of hydrogen.
Question 3 of 5
When administering intravenous (IV) fluids the nurse ensures that the IV fluids are infusing as ordered to prevent dehydration in an adult. When could dehydration become lethal?
Correct Answer: D
Rationale: A loss of 20% of body fluid in an adult is fatal.
Question 4 of 5
When reading the laboratory report of a patient with excessive diarrhea the nurse notes that the pH is 7.10 and the PaCO2 and the PaO2 are normal. What should the nurse recognize as this patient's state from this information alone?
Correct Answer: B
Rationale: The profile of a patient in metabolic acidosis is that the blood pH will be below 7.35 and the oxygen readings are within normal limits.
Question 5 of 5
The nurse explains that a normal adult will lose approximately 350 mL of water through respiration in the course of a(n) __.
Correct Answer: day
Rationale: Adults lose about 350 mL of water daily through respiration.