,Body Fluids
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1. Which of the following functions is not performed by the aqueous medium of
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body fluids in the human body?
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A) Providing nutrients oo
B) Carrying away waste oo oo
C) Bringing chemicals that allow cells to communicate with each other
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D) Removing nutrients oo
oo Ans: D Difficulty:
o o
oo Easy
2. Which of the following is not true about the distribution of water in an average
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human body?
oo oo
A) Almost one-third of the water in the body is intracellular fluid
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B) Almost one-third of the water in the body is extracellular fluid
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C) Almost two-thirds of the water in the body is intracellular fluid
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D) Almost one-quarter of the water in the body is interstitial
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oo fluid Ans: A
oo o o Difficulty: Easy o o
3. Which of the following statements about body fluids is true?
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A) Extracellular fluid is the most abundant body fluid oo oo oo oo oo oo oo
B) Interstitial fluid and plasma are the most common intracellular fluids
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C) Intracellular fluid is the most abundant body fluid oo oo oo oo oo oo oo
D) Intracellular fluid makes up 46% of body oo oo oo oo oo oo
fluid Ans: C
oo oo o o Difficulty: Medium o o
4. Which one of the following is not an example of extracellular fluids that occur in
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lesser amounts in the human body?
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A) Urine B) Plasma C) Cerebrospinal fluid D) o o o o oo
ooLymph Ans: B Difficulty: Easy
oo o o o o
5. What is the approximate percentage of minor components in body fluids?
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A) 10% B) 8% C) 1% D) 3% o o o o o o
Ans: D Difficulty: Medium
o o o o
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, Body
Fluids
6. Which of the following is not expected to dissolve in the aqueous medium
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that constitutes body fluids?
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A) Large molecules that have many polar functional groups
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B) Small nonpolar moleculesoo oo
C) Electrolytes
D) Small polar molecules with intermolecular hydrogen bonding
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capabilities Ans: B
oo oo o o Difficulty: Easy o o
7. What is the main difference in composition between interstitial fluid and plasma?
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A) Plasma contains less protein C) Plasma contains more chloride (Cl–)
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B) Plasma contains less sodium (Na+)
oo oo oo oo D) Plasma contains more protein
oo oo oo
oo Ans: D Difficulty: Medium
o o o o
8. What is the main difference in composition between intracellular and
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extracellular fluids?
oo oo
A) Intracellular fluid contains a high concentration of Na+ and Cl–
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B) Extracellular fluid contains a high concentration of K+ and HPO
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2–
C) Protein is most abundant in intracellular fluid
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D) Protein is most abundant in extracellular
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fluid Ans: C
oo oo o o Difficulty: Medium o o
9. Which of the following is true about body fluids?
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A) Each type contains the same number of dissolved particles per unit volume
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B) Each type contains different number of dissolved particles per unit volume
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C) The principal cation in extracellular fluid is potassium (K+)
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D) Protein is most abundant in extracellular
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fluid Ans: A
oo oo o o Difficulty: Easy o o
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, Body
Fluids
10. Besides K+ and HPO4 2–, what ions are present in a much higher
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concentration in intracellular fluids compared to plasma and interstitial
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fluids?
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A) Na+ and Cl– oo oo
B) Mg2+ and SO4 2– oo oo oo
C) Mg2+ and HCO3 – oo oo oo
D) Na+ and SO4 2– oo oo oo
Ans: B Difficulty: Difficult
o o o o
11. If a body contains 42 L of fluid, approximately how many liters are
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contained in intracellular fluids?
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A) 13 L B) 27 L C) 11 L D) 3 L
oo o o oo o o oo o o oo
Ans: B Difficulty: Difficult
o o o o
12. If a body contains 42 L of fluid, approximately how many liters are
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contained in interstitial fluids?
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A) 13 L B) 27 L C) 11 L D) 3 L
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Ans: C Difficulty: Difficult
o o o o
13. If a body contains 42 L of fluid, approximately how many liters are
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contained in plasma?
oo oo oo
A) 13 L B) 27 L C) 11 L D) 3 L
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Ans: D Difficulty: Difficult
o o o o
14. Which of the following is true about the composition of the blood?
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A) Blood vessels that carry blood from the heart to the tissues are called veins
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B) Blood vessels that carry blood from the tissues to the heart are called arteries
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C) Arteries and veins are connected together by blood vessels called capillaries
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D) Capillaries have very thick walls to prevent waste from entering theoo oo oo oo oo oo oo oo oo oo
interstitial fluid
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Ans: C Difficulty: Medium
o o o o
15. Which of the following is a function of the blood in transport?
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A) Fighting infections and the factors needed for clottingoo oo oo oo oo oo oo
B) Maintaining a constant body temperature oo oo oo oo
C) Carrying gases (O2 and CO2) to or from tissuesoo oo oo oo oo oo oo oo
D) Carrying gases (CO and H2) to or from oo oo oo oo oo oo oo
tissues Ans: C
oo oo o o Difficulty: Easy o o
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oo
1. Which of the following functions is not performed by the aqueous medium of
oo oo oo oo oo oo oo oo oo oo oo oo
body fluids in the human body?
oo oo oo oo oo oo
A) Providing nutrients oo
B) Carrying away waste oo oo
C) Bringing chemicals that allow cells to communicate with each other
oo oo oo oo oo oo oo oo oo
D) Removing nutrients oo
oo Ans: D Difficulty:
o o
oo Easy
2. Which of the following is not true about the distribution of water in an average
oo oo oo oo oo oo oo oo oo oo oo oo oo oo
human body?
oo oo
A) Almost one-third of the water in the body is intracellular fluid
oo oo oo oo oo oo oo oo oo oo
B) Almost one-third of the water in the body is extracellular fluid
oo oo oo oo oo oo oo oo oo oo
C) Almost two-thirds of the water in the body is intracellular fluid
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D) Almost one-quarter of the water in the body is interstitial
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oo fluid Ans: A
oo o o Difficulty: Easy o o
3. Which of the following statements about body fluids is true?
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A) Extracellular fluid is the most abundant body fluid oo oo oo oo oo oo oo
B) Interstitial fluid and plasma are the most common intracellular fluids
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C) Intracellular fluid is the most abundant body fluid oo oo oo oo oo oo oo
D) Intracellular fluid makes up 46% of body oo oo oo oo oo oo
fluid Ans: C
oo oo o o Difficulty: Medium o o
4. Which one of the following is not an example of extracellular fluids that occur in
oo oo oo oo oo oo oo oo oo oo oo oo oo oo
lesser amounts in the human body?
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A) Urine B) Plasma C) Cerebrospinal fluid D) o o o o oo
ooLymph Ans: B Difficulty: Easy
oo o o o o
5. What is the approximate percentage of minor components in body fluids?
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A) 10% B) 8% C) 1% D) 3% o o o o o o
Ans: D Difficulty: Medium
o o o o
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, Body
Fluids
6. Which of the following is not expected to dissolve in the aqueous medium
oo oo oo oo oo oo oo oo oo oo oo oo
that constitutes body fluids?
oo oo oo oo
A) Large molecules that have many polar functional groups
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B) Small nonpolar moleculesoo oo
C) Electrolytes
D) Small polar molecules with intermolecular hydrogen bonding
oo oo oo oo oo oo
capabilities Ans: B
oo oo o o Difficulty: Easy o o
7. What is the main difference in composition between interstitial fluid and plasma?
oo oo oo oo oo oo oo oo oo oo oo
A) Plasma contains less protein C) Plasma contains more chloride (Cl–)
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B) Plasma contains less sodium (Na+)
oo oo oo oo D) Plasma contains more protein
oo oo oo
oo Ans: D Difficulty: Medium
o o o o
8. What is the main difference in composition between intracellular and
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extracellular fluids?
oo oo
A) Intracellular fluid contains a high concentration of Na+ and Cl–
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B) Extracellular fluid contains a high concentration of K+ and HPO
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2–
C) Protein is most abundant in intracellular fluid
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D) Protein is most abundant in extracellular
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fluid Ans: C
oo oo o o Difficulty: Medium o o
9. Which of the following is true about body fluids?
oo oo oo oo oo oo oo oo
A) Each type contains the same number of dissolved particles per unit volume
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B) Each type contains different number of dissolved particles per unit volume
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C) The principal cation in extracellular fluid is potassium (K+)
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D) Protein is most abundant in extracellular
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fluid Ans: A
oo oo o o Difficulty: Easy o o
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, Body
Fluids
10. Besides K+ and HPO4 2–, what ions are present in a much higher
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concentration in intracellular fluids compared to plasma and interstitial
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fluids?
oo
A) Na+ and Cl– oo oo
B) Mg2+ and SO4 2– oo oo oo
C) Mg2+ and HCO3 – oo oo oo
D) Na+ and SO4 2– oo oo oo
Ans: B Difficulty: Difficult
o o o o
11. If a body contains 42 L of fluid, approximately how many liters are
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contained in intracellular fluids?
oo oo oo oo
A) 13 L B) 27 L C) 11 L D) 3 L
oo o o oo o o oo o o oo
Ans: B Difficulty: Difficult
o o o o
12. If a body contains 42 L of fluid, approximately how many liters are
oo oo oo oo oo oo oo oo oo oo oo oo
contained in interstitial fluids?
oo oo oo oo
A) 13 L B) 27 L C) 11 L D) 3 L
oo o o oo o o oo o o oo
Ans: C Difficulty: Difficult
o o o o
13. If a body contains 42 L of fluid, approximately how many liters are
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contained in plasma?
oo oo oo
A) 13 L B) 27 L C) 11 L D) 3 L
oo o o oo o o oo o o oo
Ans: D Difficulty: Difficult
o o o o
14. Which of the following is true about the composition of the blood?
oo oo oo oo oo oo oo oo oo oo oo
A) Blood vessels that carry blood from the heart to the tissues are called veins
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B) Blood vessels that carry blood from the tissues to the heart are called arteries
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C) Arteries and veins are connected together by blood vessels called capillaries
oo oo oo oo oo oo oo oo oo oo
D) Capillaries have very thick walls to prevent waste from entering theoo oo oo oo oo oo oo oo oo oo
interstitial fluid
oo oo
Ans: C Difficulty: Medium
o o o o
15. Which of the following is a function of the blood in transport?
oo oo oo oo oo oo oo oo oo oo oo
A) Fighting infections and the factors needed for clottingoo oo oo oo oo oo oo
B) Maintaining a constant body temperature oo oo oo oo
C) Carrying gases (O2 and CO2) to or from tissuesoo oo oo oo oo oo oo oo
D) Carrying gases (CO and H2) to or from oo oo oo oo oo oo oo
tissues Ans: C
oo oo o o Difficulty: Easy o o
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