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PTRS 882 Fluid Imbalance study Set Exam
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PTRS 882 Fluid Imbalance studySet Exam
edema= fluid ______ - Answer excess
dehydration= fluid __________ - Answer deficit
Water accounts for ________ to ___________% of an adult's total body weight - Answer 50
to 60
water accounts for ______% of infant body weight - Answer 70
do males or females tend to have higher water content? - Answer males
males: 60%
females: 50% (because females have higher percent of fatty tissue)
How does age impact water content of the body? - Answer older age usually means
lower water content, due to the fact that most older peoples have a dysfunction of their
thirst mechanism
How does obesity impact body water content? - Answer People with obesity have more
fatty tissue and fatty tissue repels water. Thus, the have lower proportions of water in
their body
what is the function of water in the body? - Answer medium for metabolic reactions,
transportation system of the body, facilitator of body part movement
How is water related to enzyme function? - Answer enzymes can only function in
aqueous solutions, most only can function in water aqueous solutions (compared to lipid
solutions)
_______ is the major component of most body parts - Answer water
the lungs are ___% water - Answer 83
muscles and kidneys are ___% water - Answer 79
Brain and heart are ____% water - Answer 73
skin is ____% water - Answer 64
bones are ____% water - Answer 31
true or false: water is found inside and outside of cells - Answer true
, what proportion of water content is inside vs outside the cell? - Answer intracellular: 2/3
extracellular: 1/3
what are the 2 entities of the extracellular fluid compartment? - Answer interstitial fluid
(ISF) and Intravascualr fluid (IVF) or blood and lymph
what proportion of extracellular fluid is ISF? - Answer 3/4
what proportion of extracellular fluid is IVF (or blood and lymph)? - Answer 1/4
How much water is in CSF and transcellular fluids? - Answer 1%
IVF is ____% venous and ___% arterial blood - Answer 85, 15
what are transcellular fluids? - Answer fluid located in epithelial-lined spaces, such as
pericardial cavity and synovial cavities
what is fluid homeostasis? - Answer amount of water entering the body is equal to the
amount of water leaving the body; needs to be maintained in order for body to function
properly
How does water enter the body? - Answer solid foods, liquid, cell metabolism (end
product)
How does water leave the body? - Answer lungs, skin,
for every 1 peptide bond formed, _____ H2O produced - Answer 1
Approximately how many mL of water are sourced and how many mL are lost to
maintain fluid homeostasis? - Answer 2500 sourced, 2500 lost
What is the thirst mechanism? - Answer osmoreceptors in the hypothalamus that sense
the need for fluid and also react to increase in blood osmotic pressure
What is the main function of Antidiuretic hormone (ADH)? - Answer decreases the
amount of produced urine by increasing the reabsorption of water from kidney tubules
into the blood
(water retention)
What is the function of aldosterone? - Answer increases reabsorption of sodium (and
water) from kidney tubules into the blood
What are the 2 hormones mainly responsible for water retention? - Answer ADH and
aldosterone
what is atrial natriuretic peptide (ANP)? - Answer produced by cardiac cells in response
to high atrial blood pressure. Functions to decrease blood pressure
How does ANP work? - Answer when blood pressure increases, the atrial distends. The
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