18 Questions
What is the main function of calcium ions (Ca+2) in the body?
They are structural components of bones and teeth.
What is the difference between a hypertonic and a hypotonic solution?
A hypertonic solution has a higher concentration of solutes, while a hypotonic solution has a lower concentration of solutes.
What is the main function of potassium ions (K+) in the body?
They affect muscular activities, notably those of the heart, intestines and respiratory tract, and also affect neural stimulation of the skeletal muscles.
Which of the following is the most abundant mineral in the body?
Calcium
Which of the following is considered an excretory product in the body?
Fecal bile pigments
What is the main function of magnesium ions (Mg+2) in the body?
They act as cofactors for enzymes.
What are electrolytes?
Elements or compounds that, when dissolved, dissociate into ions and can conduct electric current
What is the relationship between fluid balance and electrolyte balance in the body?
The amount of water gained each day equals the amount lost, and the ion gain each day equals the ion loss
How does age affect body fluid levels?
Body fluid levels are 80% in babies, 60% in adults, and 40% in the aged
What is the main component of intracellular fluids (ICF)?
Cytosol of cells
Which of the following is not a factor that affects body fluid levels?
Electrolyte balance
What is the approximate percentage of total body water that makes up the intracellular fluids (ICF)?
Two-thirds
What is the approximate percentage of extracellular fluids (ECF) in the body?
66%
Which of the following is not a major component of extracellular fluids (ECF)?
Intracellular fluid (ICF)
What is the primary function of electrolytes in body fluids?
Regulating osmotic pressure
What is the net movement of water called when it moves from an area of low solute concentration to an area of higher solute concentration across a semi-permeable membrane?
Osmosis
Which of the following is not a major component of body fluids?
Proteins
What is the approximate percentage of intracellular fluid (ICF) in the body?
1-2%
Test your knowledge on acids, bases, and salt ions in the body and fluids. Learn about the importance of electrolytes and their role in maintaining blood chemistry, muscle action, and other bodily processes.
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