Exam (elaborations)
Body Composition – Questions With Answers (Rated A+)
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- BODY COMPOSITION
- Institution
- BODY COMPOSITION
Body Composition – Questions With Answers (Rated A+)
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Body Composition – Questions With Answers (RatedA+)
The most abundant constituent of the body and its medium in which all
metabolic reactions occur ✔️Ans - Water
Water accounts for what % of the weight in a man? in a woman? ✔️Ans - in
men...water is 60% of body weight
in women...water is 50% of body weight
What causes the difference in water's percentage of body weight in men
and women? ✔️Ans - increased body fat in women
In a NEONATE total body water may represent what % of body weight?
✔️Ans - 70%
Is total body water MORE or LESS in OBESE individuals? ✔️Ans - Less
Total body water is less in obese individuals because... ✔️Ans - adipose
tissue has decreased water content
Body fluids are divided into what 2 major categories? ✔️Ans -
Extracellular and Intracellular
What determines whether body fluid is intracellular or extracellular?
✔️Ans - Its location relative to the cell membrane
Intracellular fluid makes up how much of total body fluid? ✔️Ans - 2/3 's
of the body's total fluid
What is the estimated # of cells in the body? ✔️Ans - 100 trillion
Extracellular fluid makes up how much of total body fluid? ✔️Ans - 1/3 of
the body's total fluid
Extracellular fluid is divided into what 2 major categories? ✔️Ans -
Interstitial fluid and plasma fluid
, What separates interstitial fluid from plasma fluid? ✔️Ans - the
CAPILLARY membrane
What is another name for plasma fluid? ✔️Ans - INTRAVASCULAR fluid
Where is interstitial fluid located? ✔️Ans - In the spaces between cells
within the gel structure of the interstitial space.
What % of interstitial fluid is located in the gel structure of the interstitial
space? ✔️Ans - 99%
What is the NONCELLULAR portion of blood called? ✔️Ans - Plasma
Lyrically define PLASMA ✔️Ans - Plasma is a type of extracellular body
fluid located intravascularly within the capillary membrane, making up the
noncellular portion of blood which is 3/5's of the total blood volume.
What is the total blood volume in LITERS? ✔️Ans - 5 Liters
What is the total plasma volume in LITERS? ✔️Ans - 3 Liters
Plasma volume is in what kind of EQUILIBRIUM with interstitial fluid
through pores in the capillaries? ✔️Ans - Dynamic
Interstitial fluid serves as a what? ✔️Ans - Reservoir
What 2 things within interstitial fluid can be mobilized into circulation?
✔️Ans - Water and electrolytes
Loss of plasma volume from the intravascular space is prevented by what?
✔️Ans - Colloid osmotic pressure exerted by plasma proteins.
Excess amounts of fluid in the INTERSTITIAL space present as what? ✔️Ans
- Peripheral edema
List 4 types of extracellular interstitial fluids found in potential spaces.
✔️Ans - 1) Pleural
2) Pericardial
3) Peritoneal
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