When Blood Ca²⁺ Levels Fall Below Normal, in What Ways

question 105

Multiple Choice

When blood Ca²⁺ levels fall below normal, in what ways do the kidneys help restore them toward normal?

• A) by increasing 1,25-dihydroxyvitamin D₃ formation, decreasing tubular phosphate reabsorption, and increasing tubular Ca²⁺ reabsorption
• B) by increasing 1,25-dihydroxyvitamin D₃ formation, increasing tubular phosphate reabsorption, and increasing tubular Ca²⁺ reabsorption
• C) by decreasing 1,25-dihydroxyvitamin D₃ formation, increasing tubular phosphate reabsorption, and increasing tubular Ca²⁺ reabsorption
• D) Increasing 1,25-dihydroxyvitamin D₃ formation and increasing secretion of parathyroid hormone
• E) by increasing renal secretion of parathyroid hormone and increasing bone resorption

---

Definitions:

Organizations

Organizations are structured groups of people working together towards common goals or objectives, ranging from businesses to non-profits.

Organization Citizenship Behavior

Voluntary actions by employees that are not part of their formal job requirements but contribute positively to the organizational environment.

Attitude

A settled way of thinking or feeling about something, typically reflected in a person's behavior.

Hopeless

A state of despair when an individual feels there are no options or solutions available.