Electrolytes Disturbances

Question 1

What two factors make up the filtration coefficient?

Answer 1

Membrane surface area

Permeability

Question 2

What is the most rapid response to increased K by the body?

Answer 2

Movement of K between intra and extra cellular compartments

Question 3

What two hormones stimulate the Na/K tap pump?

Answer 3

Insulin

Aldosterone

Question 4

What adrenergic receptor stimulates Na/K pump?

Answer 4

Beta adrenergic

Question 5

What three factors affect ECF K concentration?

Answer 5

Receptor mediated processes
acid base disturbances
leak

Question 6

Where are the K channels located on the principle cells?

Answer 6

Luminal side, which is how K is secreted

Question 7

Release of what hormone is stimulated by high K concentration?

Answer 7

Aldosterone, it increases permeability of K at the principle cells

Question 8

What channel does potassium sparing diuretics work on?

Answer 8

Blockers of the lumens Na channels causing reduced K secretion

Question 9

How would a decrease in Ca concentration affect sodium channels?

Answer 9

Increase VGNa channel open probability

Question 10

What is the primary regulator for Ca?

Answer 10

Parathyroid hormone

Question 11

How does PTH affect phosphate?

Answer 11

PTH promotes PO4 loss