Chapter 2: Body Fluids and Membrane Dynamics Quiz
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Questions and Answers

What is the function of the peritoneum in the body?

  • Contains reproductive organs and the urinary bladder
  • Encloses the heart in a membranous sac
  • Forms separate pleural sacs for the lungs
  • Lines the abdomen and pelvis (correct)

Which part of the body contains the kidneys?

  • Within the lumen of hollow organs
  • Between the peritoneum and back muscles (correct)
  • In separate pleural sacs
  • Abdominopelvic cavity

What is the purpose of the lumen in hollow organs?

  • To connect to separate pleural sacs
  • To enclose reproductive organs
  • To contain the fluid-filled interior of the organ (correct)
  • To store blood vessels

Which best describes where the intestines are located?

<p>Within the lumen of hollow organs (B)</p> Signup and view all the answers

What is the significance of blood vessels being classified as hollow organs?

<p>They have fluid-filled interiors (A)</p> Signup and view all the answers

Which body cavity is commonly referred to as the skull?

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

Which term refers to the space filled with something other than an organ's tissue in hollow organs?

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

What forms the floor of the thoracic cavity?

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

How many major body cavities are there according to the text?

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

Which membrane lines the body cavities and separates them from one another?

<p>Tissue membrane (D)</p> Signup and view all the answers

Which cavity contains the heart within its sac?

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

What is the function of the diaphragm in the body?

<p>Separates the thoracic and abdominal cavities (D)</p> Signup and view all the answers

Which type of fluid occupies the largest percentage of total body fluids?

<p>Intra-cellular fluids (ICF) (D)</p> Signup and view all the answers

What percentage of body weight is occupied by total body fluids?

<p>60% (A)</p> Signup and view all the answers

According to the mass balance law, to maintain constant internal environment, what must happen with any gain in a substance?

<p>It must be offset by an equal loss. (B)</p> Signup and view all the answers

What is the term used for the 20% of total body fluids that is extra-cellular?

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

How many liters of blood fluids are part of the total body fluids?

<p>5L (B)</p> Signup and view all the answers

Where is the extracellular fluid found?

<p>Plasma: fluid portion of the blood (A)</p> Signup and view all the answers

Which fluid compartment is essential for homeostasis?

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

What is the equilibrium for homeostasis dependent on?

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

Where does most of the insensible fluid loss occur from the body?

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

Which type of fluid is found inside tissue cells?

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

What separates the intracellular and extracellular fluid compartments?

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

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