BIO 669 fluids & electrolytes Questions
and verified answers
Children are extremely susceptible to ______ and significant changes in body fluid. Infants can lose
fluid quickly d/t ______ or __________. ✔️✔️Correct Ans-dehydration, fever, respirations
Elderly are at higher risk for __________ d/t their decreased ________ ______, ______ _______
_____, _______ decline, and diminished ______ perception ✔️✔️Correct Ans-higher risk for
dehydration d/t decreased free fat mass, decreased muscle mass, renal decline, diminished thirst
perception
Elderly have decreased percent of total ✔️✔️Correct Ans-body water
Ability to attract water forces, sodium, or potassium, drawing water toward it ✔️✔️Correct Ans-
osmotic forces
Water makes up approximately __% of lean body weight in men and __% body weight in women
✔️✔️Correct Ans-60% men, 50% women
/ of water is in the cells (intracellular) and / is extracellular which can be further subdivided into ECF:
__% intravascular and __%interstitial ✔️✔️Correct Ans-2/3 water-intracellular, 1/3 water-extracellular,
ECF 25% intravascular 75% interstitial
BC most water is in the cells, ________ changes are generally associated with change in serum
osmolality and electrolyte concentrations. ✔️✔️Correct Ans-volume
60-40-20 rule ✔️✔️Correct Ans-60% of body weight is water
40% of body weight is ICF
20% of body weight is ECF
Of the ECF, _/_ is interstitial fluid and _/__is intravascular fluid ✔️✔️Correct Ans-3/4 interstitial fluid,
1/4 intravascular fluid
, A 100kg man has ___kg of plasma ✔️✔️Correct Ans-5kg
In kids, __% to __% of body weight is water ✔️✔️Correct Ans-75-80%
allows movement of water across membranes, not as easy for ions to move compared to water
✔️✔️Correct Ans-aquaporins
forces affecting movement of fluid between cells/spaces ✔️✔️Correct Ans-Starling forces
forces favoring filtration minus forces opposing filtration ✔️✔️Correct Ans-Net filtration
concentration of osmotic active particles in a solution ✔️✔️Correct Ans-osmolarity
Van't Hoff's Law ✔️✔️Correct Ans-osmotic potential is negative and proportional to the concentration
of solute particles
A solution saltier than inside the cell would be considered _________ ✔️✔️Correct Ans-hypertonic
A solution less salty/ less osmotic would be considered ✔️✔️Correct Ans-hypotonic
This tonicity (hypo or hyper tonic) will affect the movement of water which can cross the plasma
membrane. It will move from a _____________ concentration of water to _______ concentration of
water. ✔️✔️Correct Ans-high to low water concentration
_____, ___________, ___________ ________ create hydrostatic pressure ✔️✔️Correct Ans-RBCs,
albumin, globulin proteins
__________ __________ pressure is the pressure created by protein (inside the blood) ✔️✔️Correct
Ans-Colloid osmotic pressure
As hydrostatic or oncotic pressures change, ______ will shift. ✔️✔️Correct Ans-fluid
and verified answers
Children are extremely susceptible to ______ and significant changes in body fluid. Infants can lose
fluid quickly d/t ______ or __________. ✔️✔️Correct Ans-dehydration, fever, respirations
Elderly are at higher risk for __________ d/t their decreased ________ ______, ______ _______
_____, _______ decline, and diminished ______ perception ✔️✔️Correct Ans-higher risk for
dehydration d/t decreased free fat mass, decreased muscle mass, renal decline, diminished thirst
perception
Elderly have decreased percent of total ✔️✔️Correct Ans-body water
Ability to attract water forces, sodium, or potassium, drawing water toward it ✔️✔️Correct Ans-
osmotic forces
Water makes up approximately __% of lean body weight in men and __% body weight in women
✔️✔️Correct Ans-60% men, 50% women
/ of water is in the cells (intracellular) and / is extracellular which can be further subdivided into ECF:
__% intravascular and __%interstitial ✔️✔️Correct Ans-2/3 water-intracellular, 1/3 water-extracellular,
ECF 25% intravascular 75% interstitial
BC most water is in the cells, ________ changes are generally associated with change in serum
osmolality and electrolyte concentrations. ✔️✔️Correct Ans-volume
60-40-20 rule ✔️✔️Correct Ans-60% of body weight is water
40% of body weight is ICF
20% of body weight is ECF
Of the ECF, _/_ is interstitial fluid and _/__is intravascular fluid ✔️✔️Correct Ans-3/4 interstitial fluid,
1/4 intravascular fluid
, A 100kg man has ___kg of plasma ✔️✔️Correct Ans-5kg
In kids, __% to __% of body weight is water ✔️✔️Correct Ans-75-80%
allows movement of water across membranes, not as easy for ions to move compared to water
✔️✔️Correct Ans-aquaporins
forces affecting movement of fluid between cells/spaces ✔️✔️Correct Ans-Starling forces
forces favoring filtration minus forces opposing filtration ✔️✔️Correct Ans-Net filtration
concentration of osmotic active particles in a solution ✔️✔️Correct Ans-osmolarity
Van't Hoff's Law ✔️✔️Correct Ans-osmotic potential is negative and proportional to the concentration
of solute particles
A solution saltier than inside the cell would be considered _________ ✔️✔️Correct Ans-hypertonic
A solution less salty/ less osmotic would be considered ✔️✔️Correct Ans-hypotonic
This tonicity (hypo or hyper tonic) will affect the movement of water which can cross the plasma
membrane. It will move from a _____________ concentration of water to _______ concentration of
water. ✔️✔️Correct Ans-high to low water concentration
_____, ___________, ___________ ________ create hydrostatic pressure ✔️✔️Correct Ans-RBCs,
albumin, globulin proteins
__________ __________ pressure is the pressure created by protein (inside the blood) ✔️✔️Correct
Ans-Colloid osmotic pressure
As hydrostatic or oncotic pressures change, ______ will shift. ✔️✔️Correct Ans-fluid
