WSU BIOLOGY 251 - Fluid & Ion Balance (5 pages)

Previewing pages 1, 2 of 5 page document View the full content.
View Full Document

Fluid & Ion Balance



Previewing pages 1, 2 of actual document.

View the full content.
View Full Document
View Full Document

Fluid & Ion Balance

186 views

Topic 22-Fluid & Ion Balance


Lecture number:
22
Pages:
5
Type:
Lecture Note
School:
Washington State University
Course:
Biology 251 - Introductory Human Physiology
Edition:
1

Unformatted text preview:

BIO 251 1st Edition Lecture 22 Outline of Last Lecture I Tubular reabsorption a Process b Reabsorption of Ba in proximal tubule c Reabsorption of Na in distal tubule d Reabsorption of substances via Na dependent secondary active transport e Reabsorption of substances via Na dependent passive processes f II Reabsorption of phosphate Tubular secretion a H b K c Waste ions III Urine concentration a Countercurrent multiplication b Controlling urine concentration Outline of Current Lecture I Input output of fluids ions a Balance concept b Types of input output These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute II Fluid ion distribution in body a Fluid compartment within body b Ion distribution c Mvmt of water ions w I ECF d Regulation of fluid ion distrb III Regulation of ECF volume a Na balance b Mechanisms regulating Na in kidney c Control of Na reabsorption IV Regulation of ECF osmolarity a Purpose b How ECF effects ICF c Mechanisms of water reg Current Lecture I Input and Output of Fluids and Ions A Balance concept Fig 19 2 1 If the amount of fluids ions are to remain stable in body input must equal output 2 Not all input and output pathways are regulated a most input pathways are poorly regulated 1 people will eat drink what they want even if they don t need it 2 H ions are uncontrollably produced internally b some output poorly regulated 1 Salt water and H are lost uncontrollably through vomiting and sweating c Humans regulate water salt and H balances primarily through kidney function B Types of input and output Fig 19 1 19 3 1 Input a From Environment 1 ingestion inhalation absorption b Metabolically produced 1 products e g amino acids and by products e g H and water of metabolic processes 2 Output a Excretion to environment 1 through kidneys digestive tract lungs body surface e g urine feces sweat water vapor in breath sloughed off skin b Metabolically consumed



View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Fluid & Ion Balance and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Fluid & Ion Balance and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?