Understanding Extracellular Fluid and Homeostasis
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Questions and Answers

Which of the following is NOT one of the basic cell functions?

  • Performing energy-generating chemical reactions
  • Synthesizing proteins and cell components (correct)
  • Obtaining food and O2
  • Eliminating wastes

    • Which tissue type is responsible for initiating and transmitting electrical impulses?

  • Nervous tissue (correct)
  • Connective tissue
  • Epithelial tissue
  • Muscle tissue

    • Which type of tissue exchanges materials between the cell and environment?

  • Epithelial tissue (correct)
  • Nervous tissue
  • Connective tissue
  • Muscle tissue

    • Which of the following is NOT one of the four primary tissue types?

    <p>Connective tissue</p> Signup and view all the answers

    Which level of organization consists of two or more types of primary tissue organized to perform particular functions?

    <p>Organ level</p> Signup and view all the answers

    Which level of organization is a collection of organs that perform related functions?

    <p>Body system level</p> Signup and view all the answers

    Physiology is closely related to which of the following?

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

    Which level of organization in the body is represented by the stomach?

    <p>Organ level</p> Signup and view all the answers

    Which of the following is NOT a molecule of life?

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

    Which level of organization in the body is represented by the digestive system?

    <p>Body system level</p> Signup and view all the answers

    What is the basic unit of life?

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

    In complex multicellular organisms, cells differentiate to form what?

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

    Which body system is responsible for defending against foreign invaders such as bacteria and viruses?

    <p>Immune system</p> Signup and view all the answers

    Which body system regulates activities that require duration rather than speed, such as growth?

    <p>Endocrine system</p> Signup and view all the answers

    Which body system provides support and protection for soft tissues and organs, serves as a storage reservoir for calcium, and enables movement?

    <p>Skeletal system</p> Signup and view all the answers

    Which body system is responsible for obtaining oxygen from and eliminating carbon dioxide to the external environment?

    <p>Respiratory system</p> Signup and view all the answers

    Which body system is essential for perpetuating the species but not essential for homeostasis?

    <p>Reproductive system</p> Signup and view all the answers

    Which body system controls and coordinates body activities that require swift responses?

    <p>Nervous system</p> Signup and view all the answers

    Which type of feedback is less common but important in some instances?

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

    What is an example of a feedforward mechanism?

    <p>Insulin levels increasing while a meal is in the digestive tract</p> Signup and view all the answers

    What can disruptions in homeostasis lead to?

    <p>Illness and death</p> Signup and view all the answers

    What is pathophysiology?

    <p>Abnormal functioning of the body associated with disease</p> Signup and view all the answers

    What factors must be homeostatically maintained?

    <p>Multiple factors</p> Signup and view all the answers

    Why is negative feedback important physiologically?

    <p>It helps maintain homeostasis</p> Signup and view all the answers

    What is the role of the reproductive system in homeostasis?

    <p>It is not essential for homeostasis</p> Signup and view all the answers

    Which system transports nutrients, oxygen, carbon dioxide, wastes, electrolytes, and hormones throughout the body?

    <p>Circulatory system</p> Signup and view all the answers

    What is the main function of the integumentary system?

    <p>To serve as a protective barrier</p> Signup and view all the answers

    Which system defends against foreign invaders and paves the way for tissue repair?

    <p>Immune system</p> Signup and view all the answers

    What is the purpose of homeostasis?

    <p>To maintain a dynamic steady state in the internal fluid environment</p> Signup and view all the answers

    What type of control system is built into an organ?

    <p>Intrinsic control system</p> Signup and view all the answers

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