The Vertebrate Kidney Helps to Keep the Acidity of Body

question 36

Multiple Choice

The vertebrate kidney helps to keep the acidity of body fluids constant by varying the amount of hydrogen ions (H+) it secretes into the urine. You can confidently predict that this aspect of kidney function will be controlled by

• A) a positive feedback mechanism.
• B) a negative feedback mechanism.
• C) nerve impulses from the brain.
• D) a hormone produced in the kidney itself.

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Definitions:

Service Air Application

The use of compressed air in various maintenance and repair operations, often related to vehicle systems.

Rotor Runout

The measurement of how much a brake rotor deviates from a perfectly flat orientation as it rotates.

Wheel Bearings

Mechanical assemblies that enable the wheels of a vehicle to rotate smoothly and with reduced friction on their axles.

Supply Reservoir

A storage tank or container that holds a supply of fluid, such as fuel, hydraulic fluid, or air, for use in various systems of a vehicle or machinery.