When Blood Calcium Levels Are Low

question 25

Multiple Choice

When blood calcium levels are low

• A) ostoclast activity increases.
• B) calcitonin secretion increases.
• C) calcium absorption is reduced.
• D) bones produce more bone tissue.
• E) osteoblast activity increases.

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Definitions:

Program Scan

One of three parts of the PLC scan. During the program scan, the CPU scans each rung of the user program.

Controller Program

A specific set of coded instructions designed to be executed by a machine controller, such as a PLC, to perform specific tasks or operations.

MCR Instruction

A Master Control Reset instruction, typically used in programmable logic controllers (PLCs) to control the operation of blocks of logic or functions.

Circuit

A closed loop or pathway that allows for the flow of electricity, consisting of various electrical components such as resistors, capacitors, and inductors.