Water and Electrolytes 4

Question 1

What is the primary and secondary electrolyte in the ICF

Answer 1

Primary: K+ Potassium
Second: Mg2+ magnesium

Question 2

Sodium and Potassium can pass through a cell membrane with the help of what

Answer 2

Na+ K+ ATPase pump

Question 3

What is the ratio of the movement of sodium and potassium ions across the membrane

Answer 3

3 Na+ Sodium out
2 K+ Potassium in

Question 4

What is the electrical charge/ potential of the Sodium Potassium ATPase pump

Answer 4

-70 mV

Question 5

Increased osmolality (osmotic pull) in the blood vessels, what does this most likely mean?

Answer 5

Dehydration= Increased ADH from Pituitary

Question 6

The _________ is the first water regulator

Answer 6

Pituitary gland

Question 7

What is the drug name for ADH and its effects

Answer 7

vasopressin (retain water, decreased urine output)

Question 8

What is the end result of the Renin-Angiotensin- Aldosterone system

Answer 8

Increased sodium retention (water follows sodium, conserving water)

Question 9

Glomeruli can sense less blood through the afferent and efferent arterioles in the pelvis, and releases what

Answer 9

RENIN - Angiotensin - Aldosterone System
(from adrenal glands)

Question 10

Three effects of the Renin - Angiotensin - Aldosterone System

Answer 10

1.Na+ Sodium retention
2. Water conservation
3. Increased thirst