Body Fluid Compartments and Water Balance Practice Exam Questions & Answers.
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Course
EECF
Institution
EECF
Body Fluid Compartments and Water Balance Practice Exam Questions & Answers.
•Learning Objectives
•Name the main fluid compartments of the body
•Given the body weight estimate the volume of fluid compartments
•Describe process of water movement between compartments
•Distinguish the...
Body Fluid Compartments and Water
Balance Practice Exam Questions &
Answers.
•Learning Objectives
•Name the main fluid compartments of the body
•Given the body weight estimate the volume of fluid compartments
•Describe process of water movement between compartments
•Distinguish the difference between Osmolality/osmolarity and tonicity
•Describe how osmolality/ tonicity alters water movement
•Identify major routes and normal ranges for water intake and loss
•Explain how total body water and total body sodium are regulated
•Using the volumes/compartments contrast the movement between intracellular and extracellular
compartments caused by increases or decreases in extracellular fluid osmolality.
•Determine effect of intravenous infusions on body fluid compartments - CORRECT ANSWER
Introduction
- Maintenance of _________ fluid volume and ______________ is important to well being.
- Disturbances in ________ fluid volume and _____________ can be caused by excessive loss or gain of
_____/__________.
- ________________ processes work to restore balance.
- We are not always able to achieve ______________ by normal body processes.
- Disturbances can be treated by _______ replacement using oral or appropriate intravenous ________
or other therapy - CORRECT ANSWER Introduction
,- Maintenance of body fluid volume and composition is important to well being.
- We are not always able to achieve homeostasis by normal body processes.
- Disturbances in body fluid volume and composition can be caused by excessive loss or gain of
fluid/solutes.
- Homeostatic processes work to restore balance
- Disturbances can be treated by fluid replacement using oral or appropriate intravenous fluid or other
therapy
Functions of body water
What are the functions of body water? - CORRECT ANSWER Functions of body water
•Water serves as a good lubricant - used in body fluid in pleural and synovial fluid, helps us lubricate and
achieve frictionless movement of joints or lungs in the pleural space
•Transport valuable nutrients in the body - gases and absorbed nutrients from the gastrointestinal
system to different parts of the body
•Maintains body temperature regulation - water evaporates on our skin (sweat) and cools us down
•Helps dispose of waste (sweat and urine)
Water content varies with age
What is the water content at the ages of?
,Newborn:
Toddler:
Child:
Adult man:
Adult woman:
Senior: - CORRECT ANSWER Water content varies with age
Newborn: 80%
Toddler: 70%
Child: 65%
Adult man: 60%
Adult woman: 50%
Senior: 50-55%
Water content varies with age
- What is the total body water in an adult?
- Why does the percent of body water change?
- How does total body weight change and why? - CORRECT ANSWER Water content varies with age
∙ In adults total Body water (TBW) = 50 - 60 % body weight
∙ The percent of body water changes with development, because the proportions of the body given
over to each organ and to muscles, fat, bone, and other tissues change from infancy to adulthood
- Water content decreases as we get older and this is because fat content in our bodies increases
instead
- We have more solid in us than in children
, [Body water content varies with age and fat content]
Body fluid compartments
- How much of the body is water and how is it split up in the body?
- What are the two 2 main body fluid compartments?
- Where are these compartments found? - CORRECT ANSWER Body fluid compartments
- 60% of body is water: 40% of that water is in cells (ICF) and 20% of that water is outside cells (EC)
- 2 main body fluid compartments intracellular and extracellular fluid compartments
1.Intracellular fluid (40% TBW)
Fluid within the cells
2.Extracellular fluid (20% TBW)
Fluid outside the cells
How do you work out someone's total body water content, or their intracellular fluid or extracellular
fluid content in litres? - CORRECT ANSWER Estimate volume of body fluid compartments
Total Body Water = Weight in kg x 0.6 = ??? in liters(L)
Intracellular Fluid = Weight x 0.4 =??? in liters(L)
Extracellular Fluid =Weight x 0.2=??? in liters(L)
Intracellular fluid (ICF)
- Where is it found?
- What does it consist of?
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