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Bio 669 quiz 1 exam (Questions & Answers) Rated 100%

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who has more water, men or women? - ️️men who has more water, elderly or pediatric? - ️️pediatric why does total body water decrease as we age? - ️️decreased free fat and muscle mass renal decline diminished thirst perception Starling forces - ️️forces affecting movement of fl...

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Bio 669 quiz 1
who has more water, men or women? - ✔️✔️men

who has more water, elderly or pediatric? - ✔️✔️pediatric

why does total body water decrease as we age? - ✔️✔️decreased free fat and muscle
mass
renal decline
diminished thirst perception

Starling forces - ✔️✔️forces affecting movement of fluid between cells and spaces

net filtration - ✔️✔️forces favoring filtration minus forces opposing filtration

Osmolarity - ✔️✔️concentration of osmotically active particles in a solution

isosmotic - ✔️✔️solutions with the same concentrations of solute particles (osmolarity)

hyposomotic - ✔️✔️solution with lower osmotic pressure. lower outside

hyperosmotic - ✔️✔️solution with higher osmolarity. higher inside.

water makes up ____% in men - ✔️✔️60%

water makes up ____% in women - ✔️✔️50%

made up of 2/3 (40%) of water - ✔️✔️intracellular

isotonic - ✔️✔️two solutions with the same osmotic pressure

Hypotonic - ✔️✔️when comparing two solutions, the solution with the lesser
concentration of solutes within the cell

Hypertonic - ✔️✔️when comparing two solutions, the solution with the greater
concentration of solutes within the cell

Forces favoring filtration - ✔️✔️Capillary hydrostatic pressure (blood pressure) and
interstitial oncotic pressure (water-pulling)

Forces favoring reabsorption - ✔️✔️Plasma (capillary) oncotic pressure (water-pulling)
Interstitial hydrostatic pressure

, edema - ✔️✔️accumulation of fluid within the interstitial spaces

causes of edema - ✔️✔️increased capillary hydrostatic pressure (increased BP),
decrease of plasma oncotic pressure,
obstruction of lymphatic circulation,
increased capillary permeability

What is ascites? - ✔️✔️accumulation of fluid in the peritoneal cavity

example of increased capillary hydrostatic pressure - ✔️✔️venous obstruction, salt and
water retention, heart failure, renal failure

what does increased capillary hydrostatic pressure cause? - ✔️✔️forces fluid into
tissues

causes of decreased capillary (plasma) oncotic pressure - ✔️✔️decreased plasma
albumin
-decreased synthesis of plasma proteins (cirrhosis, malnutrition)
-increased loss of plasma proteins (nephrotic syndrome)
increased Na+ and H2O retention (dilution of plasma proteins)

what does lymph obstruction cause? - ✔️✔️fluid movement into the tissues
decreased transport of capillary filtered protein ( thus increasing tissue oncotic
pressure)

what are examples of increased capillary permeability? - ✔️✔️burns and inflammation

what does increased capillary permeability do? - ✔️✔️proteins escape= loss of plasma
proteins to interstitial space (thus increasing tissue oncotic pressure and decreased
capillary oncotic pressure)

papilledema - ✔️✔️swelling and inflammation of the optic nerve at the point of entrance
into the eye through the optic disk

What causes papilledema? - ✔️✔️often caused by increase in intracranial pressure

what is the primary extracellular fluid cation (positive charged ion)? - ✔️✔️Sodium

movement of sodium in cell does what to hydrogen? - ✔️✔️pushes hydrogen out.

increase in sodium does what to fluid volume? - ✔️✔️increases fluid volume

what is the primary extracellular anion? - ✔️✔️Chloride

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