Question: The internal environment’s resistance to change is called:

Answer: homeostasis.

Question: A healthy person loses approximately ___ to ___ liters (L) of fluid daily through urine output and through exhalation.

Answer: 2, 2.5

Question: Which of the following statements regarding dehydration is MOST correct?

Answer: It is often a chronic condition in elderly patients and may take days to manifest.

Question: Signs and symptoms of dehydration include all of the following, EXCEPT:

Answer: bradypnea.

Question: Overhydration occurs when:

Answer: fluid is forced from the engorged interstitial compartment into the intracellular compartment.

Question: A common cause of overhydration is:

Answer: kidney failure.

Question: The cardinal sign of overhydration is:

Answer: edema.

Question: IV fluids introduced into the circulatory system:

Answer: can affect the tonicity of the extracellular fluid and can be harmful.

Question: Which of the following statements regarding isotonic solutions is MOST correct?

Answer: Isotonic solutions have almost the same osmolarity as bodily fluids.

Question: A solution of water with 0.9% sodium chloride is:

Answer: also called normal saline and is an isotonic solution.