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 (A)</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 (B)</p> Signup and view all the answers

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

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

Physiology is closely related to which of the following?

<p>Anatomy (C)</p> Signup and view all the answers

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

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

Which of the following is NOT a molecule of life?

<p>Vitamins (C)</p> Signup and view all the answers

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

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

What is the basic unit of life?

<p>Cells (C)</p> Signup and view all the answers

In complex multicellular organisms, cells differentiate to form what?

<p>Organs (B)</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 (B)</p> Signup and view all the answers

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

<p>Endocrine system (D)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

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

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

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

<p>Positive feedback (A)</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 (C)</p> Signup and view all the answers

What can disruptions in homeostasis lead to?

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

What is pathophysiology?

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

What factors must be homeostatically maintained?

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

Why is negative feedback important physiologically?

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

What is the role of the reproductive system in homeostasis?

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

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

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

What is the main function of the integumentary system?

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

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

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

What type of control system is built into an organ?

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

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