Human Physiology Quiz
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Questions and Answers

What is the term used for positively charged ions?

  • Colloids
  • Cations (correct)
  • Anions
  • Hydrogens
  • Which condition is characterized by glare and blurred vision due to opaque areas in the lens?

  • Cataracts (correct)
  • Glaucoma
  • Presbyopia
  • Macular degeneration
  • Which ion is mainly responsible for stabilizing the resting membrane potential of muscles?

  • Calcium
  • Sodium
  • Magnesium
  • Potassium (correct)
  • What type of fluid is interstitial fluid classified as?

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

    During inflammation, what leads to localized edema in inflamed tissues?

    <p>Increased capillary blood flow</p> Signup and view all the answers

    Which vitamin is known not to have antioxidant properties?

    <p>Vitamin D</p> Signup and view all the answers

    What is receptive aphasia characterized by?

    <p>Inability to understand written or spoken language</p> Signup and view all the answers

    Which nutrient is essential for the physiological component of the immune system known as mucus?

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

    What condition is indicated by a patient unable to express names of common objects or ideas?

    <p>Expressive aphasia</p> Signup and view all the answers

    What causes a decrease in extracellular fluid volume in the case of hemorrhage?

    <p>Loss of fluids</p> Signup and view all the answers

    Which type of carbohydrate does not break down into simpler units?

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

    What generally happens to color perception for blue, violet, and green with aging?

    <p>Declines due to degenerative changes</p> Signup and view all the answers

    Which amino acid is considered indispensable and cannot be synthesized by the body?

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

    What is the mechanism of osmosis in relation to fluid movement within the body?

    <p>Passive movement of water molecules across semi-permeable membranes</p> Signup and view all the answers

    Which enzyme in saliva begins the process of converting cooked starch into maltose?

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

    What term describes the passive movement of electrolytes down their concentration gradient?

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

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