Importance of Physiology in Healthcare
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Questions and Answers

What is the main function of the cell membrane lipid bilayer?

  • Maintain the pH balance of the surrounding environment
  • Control the expression of genes within the cell
  • Facilitate the synthesis of proteins within the cell
  • Regulate the passage of substances into and out of the cells via selective permeability (correct)

    • What is necessary for homeostasis in every organ system of the body?

  • Cell division
  • Endocytosis
  • Feedback and regulation (correct)
  • Cellular respiration

    • What is essential for the maintenance of homeostasis at the cellular level?

  • Mitochondrial function
  • DNA replication
  • Cell differentiation
  • Regulation and exchange of materials and energy with surroundings (correct)

    • What is required to maintain a steady state in an organism?

    <p>Continuous input of energy and regulation</p> Signup and view all the answers

    What is the main reason to study physiology?

    <p>To optimize healthcare practice</p> Signup and view all the answers

    What is essential for health and survival, referred to as homeostasis?

    <p>Maintenance of physiological variables within an optimal range</p> Signup and view all the answers

    What is a determinant of physiological function according to the text?

    <p>Structure, which has coevolved with function</p> Signup and view all the answers

    How many different cell types are there in the human body?

    <p>More than 200 different cell types</p> Signup and view all the answers

    What do cells take in from food and convert into energy according to the text?

    <p>Building blocks and nutrients</p> Signup and view all the answers

    What are organ systems responsible for enabling according to the text?

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

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