BIOS 256
BIOS 256 EXAM 1,2& 3 CHAMBERLAIN (Latest
) 280 Questions and Answers (Verified
Answers)|A GRADE
1) what is the most abundant component of body fluid? - ANSWER>>water
(4560% total body mass)
2) Why do women and obese people have less body water? -
ANSWER>>adipose tissue does not hold water
3) new borns are ___% water - ANSWER>>75
4) how much water is in the ICF? - ANSWER>>65%
5) how much water is in the ECF? - ANSWER>>35%
6) how much water is in the tissues (interstitial fluid)? - ANSWER>>25%
7) how much water is in the blood plasma and lymphatic tissue? -
ANSWER>>8%
8) how much water is in the transcellular fluid? - ANSWER>>2%
9) where is intracellular fluid found? - ANSWER>>inside the cells
10) ____ fluid comprises the majority of all body fluids -
ANSWER>>intracellular
11) intracellular fluid makes up __ total body fluid - ANSWER>>2/3
12) where is extracellular fluid found? - ANSWER>>outside the cells
BIOS 256 EXAM 1,2& 3 CHAMBERLAIN (Latest 2024-2025) 280 Questions and Answers (Verified Answers) A GRADE
,BIOS 256
13) extracellular fluid makes up ___ total body fluid - ANSWER>>1/3
14) what categories are extracellular fluid divided into? - ANSWER>>interstitial
fluid, blood plasma
15) where is interstitial fluid found? - ANSWER>>between the cells
16) what are the functions of electrolytes? - ANSWER>>control osmosis,
regulate body secretions, maintain acid-base balance, carry electric
current, serve as cofactors
17) what are electrolytes maintained by? - ANSWER>>kidneys
reabsorbing/secreting electrolytes, oral/IV intake, secretion of hormones
(ADH, aldosterone, PTH)
18) what is natriuresis? - ANSWER>>excretion of sodium in the urine
19) what hormone promotes natriuresis? - ANSWER>>ANP
20) how does ANP promote natruiresis? - ANSWER>>increases excretion of
Na+ by inhibiting Na+ pumps
21) what is the most abundant cation in the ECF? - ANSWER>>Na+
22) what is the most abundant anion in the ECF? - ANSWER>>Cl-
23) what is the most abundant cation in the ICF? - ANSWER>>K+
24) what is the most abundant anion in the ICF? - ANSWER>>phosphate
BIOS 256 EXAM 1,2& 3 CHAMBERLAIN (Latest 2024-2025) 280 Questions and Answers (Verified Answers) A GRADE
, BIOS 256
25) what is aldosterone? - ANSWER>>salt retaining hormone
26) aldosterone plays a primary role in _____ - ANSWER>>adjusting sodium
excretion
27) what is hypotension - ANSWER>>low blood pressure
28) what does hypotension stimulate? - ANSWER>>secretion of renin
29) what does renin stimulate? - ANSWER>>secretion of angiotensin
30) what does angiotensin stimulate? - ANSWER>>secretion of aldosterone
31) what does aldosterone increase? - ANSWER>>Na+/H2O reabsorption
and K+ secretion
32) what stimulates secretion of aldosterone? - ANSWER>>low Na+, high K+,
angiotensin (from low bp)
33) how much sodium do adults need a day? - ANSWER>>0.5 g
34) how much sodium does the average american diet contain? -
ANSWER>>3-7 g/day
35) what is alkalosis? - ANSWER>>pH above 7.45
36) what happens during alkalosis? - ANSWER>>H+ diffuses out of the cells
and K+ diffuses in
37) during alkalosis, membrane ____ occurs which leads to the nerves being
overstimulated - ANSWER>>depolarization
BIOS 256 EXAM 1,2& 3 CHAMBERLAIN (Latest 2024-2025) 280 Questions and Answers (Verified Answers) A GRADE
BIOS 256 EXAM 1,2& 3 CHAMBERLAIN (Latest
) 280 Questions and Answers (Verified
Answers)|A GRADE
1) what is the most abundant component of body fluid? - ANSWER>>water
(4560% total body mass)
2) Why do women and obese people have less body water? -
ANSWER>>adipose tissue does not hold water
3) new borns are ___% water - ANSWER>>75
4) how much water is in the ICF? - ANSWER>>65%
5) how much water is in the ECF? - ANSWER>>35%
6) how much water is in the tissues (interstitial fluid)? - ANSWER>>25%
7) how much water is in the blood plasma and lymphatic tissue? -
ANSWER>>8%
8) how much water is in the transcellular fluid? - ANSWER>>2%
9) where is intracellular fluid found? - ANSWER>>inside the cells
10) ____ fluid comprises the majority of all body fluids -
ANSWER>>intracellular
11) intracellular fluid makes up __ total body fluid - ANSWER>>2/3
12) where is extracellular fluid found? - ANSWER>>outside the cells
BIOS 256 EXAM 1,2& 3 CHAMBERLAIN (Latest 2024-2025) 280 Questions and Answers (Verified Answers) A GRADE
,BIOS 256
13) extracellular fluid makes up ___ total body fluid - ANSWER>>1/3
14) what categories are extracellular fluid divided into? - ANSWER>>interstitial
fluid, blood plasma
15) where is interstitial fluid found? - ANSWER>>between the cells
16) what are the functions of electrolytes? - ANSWER>>control osmosis,
regulate body secretions, maintain acid-base balance, carry electric
current, serve as cofactors
17) what are electrolytes maintained by? - ANSWER>>kidneys
reabsorbing/secreting electrolytes, oral/IV intake, secretion of hormones
(ADH, aldosterone, PTH)
18) what is natriuresis? - ANSWER>>excretion of sodium in the urine
19) what hormone promotes natriuresis? - ANSWER>>ANP
20) how does ANP promote natruiresis? - ANSWER>>increases excretion of
Na+ by inhibiting Na+ pumps
21) what is the most abundant cation in the ECF? - ANSWER>>Na+
22) what is the most abundant anion in the ECF? - ANSWER>>Cl-
23) what is the most abundant cation in the ICF? - ANSWER>>K+
24) what is the most abundant anion in the ICF? - ANSWER>>phosphate
BIOS 256 EXAM 1,2& 3 CHAMBERLAIN (Latest 2024-2025) 280 Questions and Answers (Verified Answers) A GRADE
, BIOS 256
25) what is aldosterone? - ANSWER>>salt retaining hormone
26) aldosterone plays a primary role in _____ - ANSWER>>adjusting sodium
excretion
27) what is hypotension - ANSWER>>low blood pressure
28) what does hypotension stimulate? - ANSWER>>secretion of renin
29) what does renin stimulate? - ANSWER>>secretion of angiotensin
30) what does angiotensin stimulate? - ANSWER>>secretion of aldosterone
31) what does aldosterone increase? - ANSWER>>Na+/H2O reabsorption
and K+ secretion
32) what stimulates secretion of aldosterone? - ANSWER>>low Na+, high K+,
angiotensin (from low bp)
33) how much sodium do adults need a day? - ANSWER>>0.5 g
34) how much sodium does the average american diet contain? -
ANSWER>>3-7 g/day
35) what is alkalosis? - ANSWER>>pH above 7.45
36) what happens during alkalosis? - ANSWER>>H+ diffuses out of the cells
and K+ diffuses in
37) during alkalosis, membrane ____ occurs which leads to the nerves being
overstimulated - ANSWER>>depolarization
BIOS 256 EXAM 1,2& 3 CHAMBERLAIN (Latest 2024-2025) 280 Questions and Answers (Verified Answers) A GRADE
