Which of the Following Statements Regarding Calcium Homeostasis Is True

question 104

Multiple Choice

Which of the following statements regarding calcium homeostasis is true?

• A) Parathyroid hormone inhibits osteoclast activity.
• B) When blood calcium levels are too low, osteoclast activity increases.
• C) Increased osteoblast activity increases blood calcium levels.
• D) Parathyroid hormone increases calcium loss from the kidney.
• E) Calcitonin elevates blood calcium levels.

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Definitions:

Time-series Data

Data points collected or recorded at successive times, often with equal intervals between them.

Cross-sectional Data

A type of data collected by observing many subjects at the same point of time or without regard to differences in time.

Synchronous Data

Data that is collected or updated at the same time across the system or in a coordinated manner.

Cross-sectional Data

Data collected from a population at a specific point in time, used to observe variations among subjects.