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Renal Homeostasis of Calcium
(Vol 30/No. 6. On-line test expires: 12/20/2005)
To receive continuing education credit, you must read the information in this article and take an on-line post test and fill out an on-line program evaluation form. The certificate will then be generated for you as a .pdf file which you can print out locally on your computer.

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  AUTHOR
Carolyn Yucha, PhD, RN
 Carolyn Yucha, PhD, RN, is Professor and Associate Dean for Research, University of Florida College of Nursing, Gainesville, FL.
David Guthrie, MN, ARNP
 David Guthrie, MN, ARNP, is Doctoral Student, University of Florida College of Nursing, Gainesville, FL.
  OUTLINE

Calcium is critical for many metabolic functions. While 99% of body calcium is found as part of the structure of bone and teeth, 1% found in plasma and body cells is crucial for such functions as blood clotting, nerve impulse conduction, and muscle contraction. The homeostasis of calcium is complex because the gastrointestinal tract, the bones, and the kidneys all affect calcium balance. This manuscript reviews the functions, homeostasis, and renal handling and regulation of calcium. The major sites of renal tubular reabsorption and the related cellular mechanisms are described.

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  CE RELATED INFORMATION
This offering for 1.9contact hours is being provided by the American Nephrology Nurses’ Association (ANNA), which is accredited as a provider and approver of continuing education in nursing by the American Nurses’ Credentialing Center-Commission on Accreditation (ANCCCOA). This educational activity is approved by most states and specialty organizations that recognize the ANCC-COA accreditation process. ANNA is an approved provider of continuing education in nursing by the California Board of Registered Nursing, BRN Provider No. 00910; and the Kansas State Board of Nursing, Provider No. LT0148-0738. This offering is accepted for RN and LPN relicensure in Kansas

  EDUCATIONAL OBJECTIVES

Goal:
To describe the complex mechanisms that control calcium homeostasis in the body.

Objectives:
1. Compare and contrast the different forms in which calcium is found in the body.
2. Discuss the homeostasis of calcium by the bone, intestine, and the kidney.
3. Describe the mechanism(s) of calcium transport in the proximal tubule, the thick ascending limb of Henle, and the distule tubule.
4. List the effect of PTH, Vitamin D3, and calcitonin on the renal control of calcium.

AUTHOR DISCLOSURE STATEMENT
Carolyn Yucha has no conflicts of interest to disclose.
David Guthrie has no conflicts of interest to disclose.

 ANNA and HDCN CE POLICY STATEMENTS

The CE policy and disclosure statements of the American Nephrology Nurses' Association are given in detail on the Symposium Home Page. The CE policy statements of HDCN are listed on this page.