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BIOS 256 EXAM 3 CHAMBERLAIN (Latest 2024 / 2025) Questions and Answers (Verified Answers)
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BIOS 256 EXAM 3 CHAMBERLAIN (Latest 2024 / 2025) Questions and Answers (Verified Answers)
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(Latest ) Questions and Answers(Verified Answers
what is the most abundant component of body fluid? (Correct Answer) - ✅✅ water
(45-60% total body mass)
Why do women and obese people have less body water? (Correct Answer) - ✅✅
adipose tissue does not hold water
new borns are ___% water (Correct Answer) - ✅✅ 75
how much water is in the ICF? (Correct Answer) - ✅✅ 65%
how much water is in the ECF? (Correct Answer) - ✅✅ 35%
how much water is in the tissues (interstitial fluid)? (Correct Answer) - ✅✅ 25%
how much water is in the blood plasma and lymphatic tissue? (Correct Answer) - ✅✅
8%
how much water is in the transcellular fluid? (Correct Answer) - ✅✅ 2%
,where is intracellular fluid found? (Correct Answer) - ✅✅ inside the cells
____ fluid comprises the majority of all body fluids (Correct Answer) - ✅✅
intracellular
intracellular fluid makes up __ total body fluid (Correct Answer) - ✅✅ 2/3
where is extracellular fluid found? (Correct Answer) - ✅✅ outside the cells
extracellular fluid makes up ___ total body fluid (Correct Answer) - ✅✅ 1/3
what categories are extracellular fluid divided into? (Correct Answer) - ✅✅
interstitial fluid, blood plasma
where is interstitial fluid found? (Correct Answer) - ✅✅ between the cells
what are the functions of electrolytes? (Correct Answer) - ✅✅ control osmosis,
regulate body secretions, maintain acid-base balance, carry electric current, serve
as cofactors
what are electrolytes maintained by? (Correct Answer) - ✅✅ kidneys
reabsorbing/secreting electrolytes, oral/IV intake, secretion of hormones (ADH,
aldosterone, PTH)
what is natriuresis? (Correct Answer) - ✅✅ excretion of sodium in the urine
, what hormone promotes natriuresis? (Correct Answer) - ✅✅ ANP
how does ANP promote natruiresis? (Correct Answer) - ✅✅ increases excretion of
Na+ by inhibiting Na+ pumps
what is the most abundant cation in the ECF? (Correct Answer) - ✅✅ Na+
what is the most abundant anion in the ECF? (Correct Answer) - ✅✅ Cl-
what is the most abundant cation in the ICF? (Correct Answer) - ✅✅ K+
what is the most abundant anion in the ICF? (Correct Answer) - ✅✅ phosphate
what is aldosterone? (Correct Answer) - ✅✅ salt retaining hormone
aldosterone plays a primary role in _____ (Correct Answer) - ✅✅ adjusting sodium
excretion
what is hypotension (Correct Answer) - ✅✅ low blood pressure
what does hypotension stimulate? (Correct Answer) - ✅✅ secretion of renin
what does renin stimulate? (Correct Answer) - ✅✅ secretion of angiotensin
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