Human Anatomy Quiz on Body Fluids
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Questions and Answers

What is the primary function of interstitial fluid?

  • Deliver materials to cells and remove metabolic waste (correct)
  • Provide hydration to extracellular matrix
  • Maintain osmotic balance in blood plasma
  • Transport nutrients between organs

    • Which of the following correctly describes the composition of blood plasma?

  • 80% water, 20% organic substances only
  • Primarily glucose and electrolytes
  • 50% solids, 50% water
  • A mixture of water, proteins, nutrients, and hormones (correct)

    • What percentage of extracellular fluid (ECF) is accounted for by plasma?

  • 30%
  • 20% (correct)
  • 50%
  • 10%

    • Which barrier separates interstitial fluid from blood plasma?

    <p>Blood vessel wall</p> Signup and view all the answers

    Which component is most abundant in lymph fluid?

    <p>Water</p> Signup and view all the answers

    What type of fluid is cytosol classified as?

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

    Which substances are primarily found in the interstitial fluid?

    <p>Hormones and neurotransmitters</p> Signup and view all the answers

    What percentage of solids in lymph is made up of proteins?

    <p>2-6%</p> Signup and view all the answers

    Which of the following accurately describes the main role of cytosol in cells?

    <p>It is the site of various metabolic processes and signal transduction.</p> Signup and view all the answers

    Which fluid composition factors contribute to the variation of body fluid content?

    <p>Gender, age, and body composition.</p> Signup and view all the answers

    Identify the chief extracellular cation among the following:

    <p>Na+</p> Signup and view all the answers

    What characterizes simple diffusion in biological membranes?

    <p>It occurs from an area of higher concentration to an area of lower concentration.</p> Signup and view all the answers

    Which statement best describes facilitated diffusion?

    <p>It utilizes carrier proteins to move substances down their concentration gradient.</p> Signup and view all the answers

    How do cations and anions differ in body fluids?

    <p>Cations include sodium and potassium, whereas anions include chloride and bicarbonate.</p> Signup and view all the answers

    What energy requirement is associated with active transport?

    <p>It requires cellular energy to move substances against a concentration gradient.</p> Signup and view all the answers

    Which of the following is true regarding the role of phosphates in body fluids?

    <p>Phosphates constitute a significant portion of intracellular anions.</p> Signup and view all the answers

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