
Introduction:
The body fluids, electrolytes, and the acid-base homeostasis have an important role in the human body. These components help in the muscle tissue, nervous tissue, maintained by the respiratory system and involved in the digestive and urinary system of the body. Body fluids are the materials, which have water as their main component.

Answer to Problem 1CYR
Correct answer:
The amount of a variable that is gained by the body through ingestion equals the amount that is lost from the body.
Explanation of Solution
Justification/ Explanation for the correct answer:
Option (a) states that the amount of a variable that is gained by the body through ingestion equals the amount that is lost from the body. The principle of mass balance states that the amount gained and lost by the body must be equal. The principle of mass balance is followed by water in the human body. The principle depends upon multiple factors such as ingestion, physical activity, digestive activities, kidney functions, and medications. Hence, option (a) is correct.
Explanation for the incorrect answer:
Option (b) states that the body maintains a stable mass at all times. The principle of mass balance states that the amount of material gained by the body is equal to the amount of material lost by the body. The principle does not state that the body maintains a stable mass at all times. So, it is an incorrect option.
Option (c) states that the amount of each variable brought into the body must be balanced by all other variables. The principle of mass balance states that the amount of variable gained by the body is equal to the amount of variable lost by the human body. The amount of each variable brought into the body cannot be balanced by all other variables. So, it is an incorrect option.
Option (d) states that the amount of a variable ingested is regulated by a positive feedback loop. The principle of mass balance does not state that the amount of variable ingested is regulated by a positive feedback loop. So, it is an incorrect option.
Hence, options (b), (c), and (d) are incorrect.
Therefore, it can be concluded the amount of a variable that is gained by the body through ingestion equals the amount that is lost from the body is the best description of the principle of mass balance. Water is the only body fluid, which follows this principle.
Want to see more full solutions like this?
Chapter 25 Solutions
HUMAN ANATOMY+PHYSIOLOGY-PACKAGE
- What is behavioral adaptarrow_forward22. Which of the following mutant proteins is expected to have a dominant negative effect when over- expressed in normal cells? a. mutant PI3-kinase that lacks the SH2 domain but retains the kinase function b. mutant Grb2 protein that cannot bind to RTK c. mutant RTK that lacks the extracellular domain d. mutant PDK that has the PH domain but lost the kinase function e. all of the abovearrow_forwardWhat is the label ?arrow_forward
- Can you described the image? Can you explain the question as well their answer and how to get to an answer to an problem like this?arrow_forwardglg 112 mid unit assignment Identifying melting processesarrow_forwardGive only the mode of inheritance consistent with all three pedigrees and only two reasons that support this, nothing more, (it shouldn't take too long)arrow_forward
- Oarrow_forwardDescribe the principle of homeostasis.arrow_forwardExplain how the hormones of the glands listed below travel around the body to target organs and tissues : Pituitary gland Hypothalamus Thyroid Parathyroid Adrenal Pineal Pancreas(islets of langerhans) Gonads (testes and ovaries) Placentaarrow_forward
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage LearningHuman Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax CollegeComprehensive Medical Assisting: Administrative a...NursingISBN:9781305964792Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy CorreaPublisher:Cengage LearningEssentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:Cengage



