the tonics

What does hypotonic mean?

Lower solute concentration than the cell

What does hypertonic mean?

Higher solute concentration than the cell

Which solution has higher solute concentration than the cell?

Hypertonic

Which solution has lower solute concentration than the cell?

Hypotonic

In a hypotonic solution, does water move into or out of the cell?

Into the cell

In a hypertonic solution, does water move into or out of the cell?

Out of the cell

Which solution type causes cell swelling?

Hypotonic

Which solution type causes cell shrinking?

Hypertonic

What happens to RBCs in hypotonic solution?

They swell and may burst (hemolysis)

What happens to RBCs in hypertonic solution?

They shrink (crenation)

Which solution type can cause hemolysis?

Hypotonic

Which solution type can cause crenation?

Hypertonic

If ECF becomes hypotonic, what happens to ICF volume?

It increases (cells swell)

If ECF becomes hypertonic, what happens to ICF volume?

It decreases (cells shrink)

What happens to cells when too much water is consumed quickly?

Cells swell

What happens to cells during dehydration?

Cells shrink

Is 0.45% saline hypotonic, isotonic, or hypertonic?

Hypotonic

Is 3% saline hypotonic, isotonic, or hypertonic?

Hypertonic

Is 0.9% saline hypotonic, isotonic, or hypertonic?

Isotonic

Which solution treats dehydration?

Hypotonic

Which solution reduces cerebral edema?

Hypertonic