Acids, Bases and Salt Ions in the Body - Dentistry Lec.2
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Questions and Answers

What is the primary function of electrolytes in the body?

  • To promote the absorption of nutrients
  • To maintain the body's pH balance
  • To regulate blood pressure
  • To facilitate muscle action and nerve transmission (correct)

Which of the following can lead to an imbalance of electrolytes in the body?

  • Maintaining a healthy fluid intake
  • Consuming a high-sodium diet (correct)
  • Engaging in regular exercise
  • Avoiding medications that affect electrolyte levels

What is the approximate percentage of total body water that is found in the intracellular fluid (ICF) compartment?

  • 50%
  • 67% (correct)
  • 33%
  • 20%

How do electrolyte levels typically change as a person ages?

<p>Electrolyte levels decrease as a person grows older (D)</p> Signup and view all the answers

Which of the following is NOT a common cause of electrolyte imbalance?

<p>Consuming a high-fiber diet (B)</p> Signup and view all the answers

What is the main difference between the extracellular fluid (ECF) and intracellular fluid (ICF) compartments?

<p>The ECF is located outside of cells, while the ICF is located inside cells (C)</p> Signup and view all the answers

What is the main organ concerned with excretion in the body?

<p>Kidneys (D)</p> Signup and view all the answers

Which of the following is a hypertonic solution?

<p>A solution with higher solute concentration than another (B)</p> Signup and view all the answers

What is the most abundant mineral in the body?

<p>Calcium (C)</p> Signup and view all the answers

Which mineral primarily functions in blood clotting, neurotransmitter release, and muscle contraction?

<p>Calcium (D)</p> Signup and view all the answers

What do sodium ions primarily influence in the body?

<p>Blood pressure and volume (D)</p> Signup and view all the answers

Which electrolyte acts as a cofactor for enzymes within cells?

<p>Magnesium (D)</p> Signup and view all the answers

What percentage of the extracellular fluid (ECF) is comprised of interstitial fluid?

<p>Approximately 80% (C)</p> Signup and view all the answers

Which of the following is responsible for osmotic activity in body fluids?

<p>Electrolytes (A)</p> Signup and view all the answers

What is the net movement of solute from an area of high concentration to an area of lower concentration called?

<p>Diffusion (B)</p> Signup and view all the answers

Which of the following is NOT a component of extracellular fluids (ECF)?

<p>Intracellular fluid (D)</p> Signup and view all the answers

What process regulates the exchange of water between intracellular fluid (ICF) and extracellular fluid (ECF)?

<p>Hydrostatic and osmotic pressure (C)</p> Signup and view all the answers

What is the net movement of water from an area of low solute concentration to an area of higher solute concentration called?

<p>Osmosis (A)</p> Signup and view all the answers

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