Understanding Extracellular Fluid and Homeostasis
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Questions and Answers

Which level of organization in the body consists of groups of cells with a similar structure and specialization?

  • Body system level
  • Cell level
  • Tissue level (correct)
  • Organ level
  • Which type of tissue initiates and transmits electrical impulses?

  • Epithelial tissue
  • Muscle tissue
  • Nervous tissue (correct)
  • Connective tissue
  • Which body system is responsible for structural support and movement?

  • Circulatory system
  • Skeletal system (correct)
  • Digestive system
  • Muscular system
  • 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

    Physiology is the study of the functions of living things. It is closely related to which of the following?

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

    Which level of organization in the body includes layers of tissue in the stomach wall?

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

    Which of the following atoms are most commonly found in the human body?

    <p>Oxygen, carbon, hydrogen, and nitrogen</p> Signup and view all the answers

    Which type of feedback is less common but important in some instances, such as childbirth?

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

    What type of mechanism initiates responses in anticipation of a change, but is infrequently used?

    <p>Feedforward Mechanisms</p> Signup and view all the answers

    What can disruptions in homeostasis lead to, and what is pathophysiology?

    <p>Illness and death; abnormal functioning of the body associated with disease</p> Signup and view all the answers

    What is the function of the integumentary system?

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

    What is the main function of the endocrine system?

    <p>To regulate metabolic activities</p> Signup and view all the answers

    What is the purpose of negative feedback in homeostatic control systems?

    <p>To shut off the system responsible for the response</p> Signup and view all the answers

    Which level of organization in the body consists of groups of cells with a similar structure and specialization?

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

    What is the main function of the integumentary system?

    <p>Regulating body temperature</p> Signup and view all the answers

    Which body system is responsible for structural support and movement?

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

    Which type of tissue initiates and transmits electrical impulses?

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

    What is the main function of the endocrine system?

    <p>Secreting hormones</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 of the following is NOT a basic cell function?

    <p>Synthesizing proteins and cell components</p> Signup and view all the answers

    Which tissue type is responsible for exchanging materials between the cell and environment?

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

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

    <p>The Organ Level</p> Signup and view all the answers

    Which body system is responsible for carrying oxygen, nutrients, hormones, and other substances throughout the body?

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

    Which body system is responsible for protecting the body from foreign invaders such as bacteria and viruses?

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

    Which level of organization in the body includes the interplay among multiple systems?

    <p>The Organism Level</p> Signup and view all the answers

    Which body system is responsible for obtaining nutrients, water, and electrolytes from the external environment and transferring them into the plasma?

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

    Which body system is important in regulating the volume, electrolyte composition, and pH of the internal environment, and removes wastes and excess water, salt, acid, and other electrolytes from the plasma?

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

    Which body system obtains O2 from and eliminates CO2 to the external environment, and helps regulate pH by adjusting the rate of removal of acid-forming CO2?

    <p>Respiratory 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 defends against foreign invaders such as bacteria and viruses, and helps in replacing injured or worn-out cells?

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

    Which body system controls and coordinates body activities that require swift responses, and regulates activities that require duration rather than speed, such as growth?

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

    Which body system is responsible for transporting 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 muscular and skeletal systems?

    <p>Supporting and protecting body parts</p> Signup and view all the answers

    Which type of feedback opposes an initial change and is widely used to maintain homeostasis?

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

    What is the purpose of the integumentary system?

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

    Which body 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 homeostatic control systems in the body?

    <p>To maintain a constant internal fluid environment</p> Signup and view all the answers

    Which type of feedback is less common but important in some instances, such as childbirth?

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

    What is pathophysiology?

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

    Which body system contributes to maintaining homeostasis by defending against foreign invaders such as bacteria and viruses?

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

    What factors must be homeostatically maintained, and which body system contributes to maintaining each of these factors?

    <p>Structural support and movement - Skeletal system</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 type of mechanism initiates responses in anticipation of a change, but is infrequently used?

    <p>Feedforward mechanism</p> Signup and view all the answers

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