Homeostasis and Body Fluids Quiz
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Questions and Answers

Which body system performs its function to maintain homeostasis by nervous mechanism?

  • Respiratory system
  • Circulatory system
  • Nervous system (correct)
  • Endocrine system
  • What is the characteristic of negative feedback in homeostasis?

  • The response involves hormonal regulation
  • The response is in the same direction of the stimulus
  • The response is rapid
  • The response is opposite to the stimulus (correct)
  • What is the effect of a change in homeostasis beyond the narrow range?

  • The body becomes more efficient
  • The cell function remains constant
  • The body adapts easily
  • The cell function is greatly affected (correct)
  • Which feedback mechanism keeps the system constant by a response in the same direction of the stimulus?

    <p>Positive feedback</p> Signup and view all the answers

    How are body functions regulated by the endocrine system?

    <p>By hormones (slow)</p> Signup and view all the answers

    During transcription, which DNA strand is copied by RNA polymerase?

    <p>The 3'-5' DNA strand</p> Signup and view all the answers

    What is the direction of RNA product synthesis during transcription?

    <p>5'-3' direction</p> Signup and view all the answers

    What is the base sequence of a gene conventionally given from?

    <p>The coding (sense or antitemplate) DNA strand</p> Signup and view all the answers

    How are the locations of important bases in a gene region identified?

    <p>Using a numbering system from the coding strand (5′→3′)</p> Signup and view all the answers

    When does transcription end?

    <p>When RNA polymerase reaches a termination signal</p> Signup and view all the answers

    Study Notes

    Physiology

    • Physiology is the science of the function of living systems, including organisms, organ systems, organs, cells, and bio-molecules.
    • It involves the study of chemical or physical functions that exist in a living system.

    Homeostasis

    • Homeostasis refers to the mechanisms that maintain a constant internal environment.
    • It is crucial for the normal functioning of cells, which lie in the internal environment.

    Importance of Homeostasis

    • Homeostasis is essential for maintaining normal functions of cells, including:
      • Regulating body water
      • Regulating body temperature
      • Regulating arterial blood pressure

    Objectives

    • Define homeostasis and its importance to the living organism.
    • Describe the feedback mechanisms and give examples for each in the body.
    • Identify the body's main body fluid compartments.
    • Explain the principles of measurements of body fluid compartments.
    • Describe the functions of water.
    • Describe the regulation of fluid and electrolyte balance.

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    Description

    Test your knowledge on homeostasis, body fluids, and the regulation of fluid balance in the human body with this quiz. Learn about the importance of homeostasis, feedback mechanisms, body fluid compartments, measurements, the functions of water, and the regulation of fluid balance.

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