Sodium Basics (Function, Lab Value, Regulation) Flashcards
1
Q
Sodium is a major electrolyte in the _____CF
A
ECF
2
Q
What is the normal range
A
135-145
3
Q
A decreased serum Na level = a diluted ____ which means ____ is drawn into the cells
A
ECF
H20
4
Q
Increased serum Na = concentrated ______ which means _____ is pulled out of the cells
A
ECF
H20
5
Q
When Na moves into the cell which electrolyte moves out
A
K
6
Q
How is Na obtained
A
diet
7
Q
how is Na excreted
A
kidneys
8
Q
Na is the major ______ _______ of fluid
A
primary regulator
9
Q
what are the functions of sodium (5)
A
BP regulation
Blood volume regulation
pH balance
muscle contraction
Transmission of nerve impulses
10
Q
what is sodium regulated by
A
ADH
Aldosterone
Na-K pump
11
Q
what can ADH also be called
A
vasopressin
12
Q
how does aldosterone hold Na in the body
A
blocking it from being excreted by kidney
