B3.3.5 Responding to Osmotic Challenges

Question 1

Symptoms of dehydration

Answer 1

Passing of dark, concentrated urine
Headache and dizziness
Lack of energy

Question 2

Hypertonic

Answer 2

contain high levels of glucose and salts
has a higher concentration of solute than the cell so water will leave the cell, causing it to shrink

Question 3

Hypotonic

Answer 3

contain low levels of glucose and salts
Concentration of solutes is lower than that of the cell

Question 4

isotonic

Answer 4

contain ion concentrations equal to those in blood plasma
solution has the same concentration of solutes as the cell.
there is no net movement of water