Why Must Water That Has Moved to the Interstitial Fluid

question 43

Multiple Choice

Why must water that has moved to the interstitial fluid in the medulla be quickly removed from the interstitial fluid?

• A) to prevent dilution of urine
• B) to prevent destruction of the concentration gradient necessary for water reabsorption
• C) to equilibrate the concentration of solutes in the cortex and medulla
• D) to maintain an environment for transport of nutrients

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Definitions:

Experimental Study

A research method where the investigator manipulates one or more variables to determine their effect on a dependent variable, often involving control groups.

Observational

Pertaining to data or a study method where the researcher observes subjects without manipulating any variables.

Nominal Scale

Refers to a classification system in statistics where data can be divided into non-numeric categories that are labeled or named; there is no intrinsic ordering to the categories.

Mikhail Gorbachev

The last leader of the Soviet Union, known for implementing reforms that contributed to the end of the Cold War.