The greatest percentage of the body’s water is in
- a. the blood plasma.
- b. the lymph.
- c. the intracellular fluid.
- d. the interstitial fluid.
- e. the extracellular fluid.
Introduction:
The fluid compartment in the body is mainly divided into two parts namely intracellular and extracellular. The extracellular fluid compartment is further subdivided into three classes namely tissue, blood plasma and lymph, and transcellular fluid. The percentage of total body water content varies in each compartment.
- 1. Intracellular fluid compartment (ICF) – 65%
- 2. Extracellular fluid compartment (ECF) – 35%
-
- Tissue (interstitial fluid): 25%
- Blood plasma and lymph: 8%
- Transcellular fluid: 2%.
Answer to Problem 1TYR
Correct answer:
The intracellular fluid compartment (ICF) consists 65% of the total body’s water. Therefore, option c is correct.
Explanation of Solution
Justify reasons for the correct statement:
The total body water content is distributed among intracellular and extracellular fluid compartments, which are separated by selective permeable membranes. The percentage of total body’s water in the ICF is 65%, and the ECF has only 35%.
Option (c) is given as “the intracellular fluid”.
Sixty-five percentage of the total body’s water is present in the intracellular fluid compartment.
Hence, option (c) is correct.
Justify reasons for the incorrect statements:
Option (a) is given as “the blood plasma”.
The blood plasma and the lymph contain only 8% of the total body’s water. Hence, it is a wrong answer.
Option (b) is given as “the lymph”.
The blood plasma and the lymph contain only 8% of the total body’s water. Hence, it is a wrong answer.
Option (d) is given as “the interstitial fluid”.
The interstitial fluid contains 25% of the total body’s water. Hence, it is a wrong answer.
Option (e) is given as “the extracellular fluid”.
The extracellular fluid contains 35% of the total body’s water. Hence, it is a wrong answer.
Hence, options (a), (b), (d), and (e) are incorrect.
The total body water is distributed into various compartments, and each compartment is separated from others by the permeable membrane. The intracellular fluid compartment contains the greatest percentage (65%) of body’s water compared to other compartments.
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