Multiple Choice
Water lost through expired air is referred to as __________.
26. Fluid and Electrolyte Balance, Acid Base Balance
Fluid Balance
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Which of the following tissues is the least hydrated?
A
nervous tissue
B
muscle tissue
C
bone
D
adipose tissue
Verified step by step guidance1
Understand the concept of tissue hydration: Hydration in tissues refers to the amount of water content present in the tissue. Different tissues in the body have varying levels of water content based on their structure and function.
Identify the characteristics of each tissue type: Nervous tissue, muscle tissue, bone, and adipose tissue all have different roles and compositions. Nervous and muscle tissues generally have high water content due to their active roles in transmitting signals and contracting, respectively.
Consider the composition of bone: Bone tissue is more rigid and contains a matrix of minerals, but it still has a significant amount of water in its structure, especially in the bone marrow and surrounding tissues.
Examine the nature of adipose tissue: Adipose tissue, or fat tissue, is primarily composed of fat cells (adipocytes) which store energy in the form of lipids. This tissue has a lower water content compared to other tissues because lipids are hydrophobic (water-repelling).
Conclude based on tissue composition: Given the hydrophobic nature of lipids in adipose tissue, it is the least hydrated tissue among the options provided, as it contains less water compared to nervous, muscle, and bone tissues.
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