Body Fluids and Homeostasis Maintenance Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary means of regulating fluid output in the body?

  • Altering respiratory rate
  • Altering renal excretion (correct)
  • Altering heart rate
  • Altering digestive absorption

What percentage of body weight does the intracellular fluid account for?

  • 20%
  • 10%
  • 60%
  • 40% (correct)

Which of the following makes up about three fourths of the extracellular fluid?

  • Intracellular fluid
  • Blood cells
  • Interstitial fluid (correct)
  • Plasma

What portion of the blood is considered as the noncellular portion?

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

How much is the average blood volume in a normal adult human as a percentage of body weight?

<p>8% (B)</p> Signup and view all the answers

Why is maintaining a relatively constant volume and composition of body fluids important?

<p>To prevent abnormalities in clinical medicine (C)</p> Signup and view all the answers

What is the main difference between the plasma and interstitial fluid in the extracellular compartment?

<p>Plasma has a higher protein concentration (B)</p> Signup and view all the answers

What could be a likely cause of intracellular swelling?

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

What are two general causes of extracellular edema mentioned in the text?

<p>Leakage of fluid from interstitial spaces to plasma (B)</p> Signup and view all the answers

What is a factor that can increase capillary filtration coefficient?

<p>High protein concentration in plasma (B)</p> Signup and view all the answers

Why do capillaries have low permeability to proteins?

<p>To maintain a high protein concentration in the plasma (D)</p> Signup and view all the answers

Which condition is NOT likely to cause intracellular swelling according to the text?

<p>Adequate nutrition to the cells (A)</p> Signup and view all the answers

What is one of the causes of edema mentioned in the text?

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

Which factor can lead to increased capillary hydrostatic pressure according to the text?

<p>Failure of the heart to pump blood rapidly out of veins (B)</p> Signup and view all the answers

What is a potential cause of decreased plasma colloid osmotic pressure as per the text?

<p>Loss of large amounts of protein in urine (B)</p> Signup and view all the answers

What can happen when there is increased interstitial fluid colloid osmotic pressure according to the text?

<p>Draws fluid out of plasma into tissues (B)</p> Signup and view all the answers

How does lymphatic blockage contribute to severe edema?

<p>It prevents return of protein from interstitial spaces to blood (A)</p> Signup and view all the answers

Why can edema be particularly severe in cases of lymphatic blockage?

<p>Because plasma proteins that leak cannot be returned to plasma (C)</p> Signup and view all the answers

Flashcards

Fluid Regulation

Controlling fluid output primarily through adjusting kidney function.

Intracellular Fluid %

About 40% of body weight.

Extracellular Fluid Component

Mostly interstitial fluid (about three-fourths).

Blood Plasma

The non-cellular portion of blood.

Signup and view all the flashcards

Blood Volume %

Approximately 8% of body weight.

Signup and view all the flashcards

Fluid Balance Importance

Critical for preventing medical issues and maintaining good health.

Signup and view all the flashcards

Plasma vs. Interstitial Fluid

Plasma has higher protein concentration.

Signup and view all the flashcards

Intracellular Swelling Cause

Possible cause linked to hyponatremia.

Signup and view all the flashcards

Extracellular Edema Causes (2)

Fluid leakage from tissues to the bloodstream, and other causes.

Signup and view all the flashcards

Capillary Filtration Coefficient Increase

High plasma protein concentration changes the fluid movement.

Signup and view all the flashcards

Capillary Protein Permeability

Low, maintaining high plasma protein levels.

Signup and view all the flashcards

Intracellular Swelling Unlikely Cause

Adequate cell nutrition is not a cause.

Signup and view all the flashcards

Edema Cause Example

Allergic reactions.

Signup and view all the flashcards

Increased Capillary Hydrostatic Pressure

Heart failure can lead to this rise in pressure.

Signup and view all the flashcards

Decreased Plasma Colloid Osmotic Pressure

Loss of large proteins in urine.

Signup and view all the flashcards

Increased Interstitial Fluid Colloid Pressure

Pulls fluid from plasma to tissues.

Signup and view all the flashcards

Lymphatic Blockage & Edema

Blockage prevents fluid return to the blood (protein too).

Signup and view all the flashcards

Severe Edema from Lymphatic Blockage

Protein leakage cannot return to the plasma.

Signup and view all the flashcards

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser