In the Kidney Mechanism for Buffering the Acidity of the Blood,when

question 36

Multiple Choice

In the kidney mechanism for buffering the acidity of the blood,when would hydrogen ions be excreted and bicarbonate ions be reabsorbed?

• A)only when the lung system is not working
• B)when the blood is acidic
• C)when the blood is basic
• D)when the blood is neutral pH,which is not normal
• E)The kidney never excretes or reabsorbs hydrogen and bicarbonate ions.

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Definitions:

Off-Delay Timers

Timers that begin timing when their input is turned off, delaying the off event for a preset period.

Off Delay Cycle

A control or timing function where a signal or operation is delayed from turning off after an input trigger is removed.

MCR Instruction

Master Control Reset, an instruction used in programming PLCs to control the execution of a block of logic or instructions between its start and end points.

Nonretentive Outputs

Output signals or data in a control system that do not maintain their state after a power cycle or reset.