Explain the Concept of Tonicity and Its Types Flashcards

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A liquid such as water that can hold another substance in a solution.
Solvent
A substance that is either dissolved or suspended in a solution.
Solute
A solution that has the same concentration of solutes as another solution.
Isotonic Solution
A solution that has MORE solutes than another solution.
Hypertonic Solution
A solution that has FEWER solutes than another solution.
Hypotonic Solution
0.9 Sodium Chloride or NS is an example of ______ used in a hospital setting.
Isotonic Solution
Elements or compounds that dissolve in water and separate into ions that carry an electric current.
Electrolytes
What is the percentage of body water in a young adult, the elderly, and infants. (3 answers)
Young Adult: 60% Elderly: 45% Infants: 80%
An infants BSA is greater than that of an adult relative to his/her weight, with that and a high metabolism and Immature kidneys, these factors puts the infant at a risk for:
Fluid Volume Defecit
This is triggered by the hypothalamus. As we age it becomes diminished, putting the elderly at risk for fluid volume defecit.
Thirst Mechanism
What electrolyte mainy controls the distribution of water throughout the body?
Sodium
What is the dominant Cation in ICF?
Pottasium (K+)
What is the dominant Anion in ICF?
Phosphorous (PO4-)
What is the dominant Cation in ECF?
Sodium (Na+)
What is the dominant Anion in ECF?
Chloride (Cl-)