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Multiple Choice
Blood plasma and lymph are identical except for their respective locations in the body.
A
True
B
False
Verified step by step guidance
1
Understand the composition of blood plasma: Blood plasma is the liquid component of blood, consisting of water, electrolytes, nutrients, hormones, and waste products. It also contains proteins such as albumin, globulins, and fibrinogen.
Understand the composition of lymph: Lymph is a fluid similar to plasma but lacks the proteins found in blood plasma. It originates from interstitial fluid that enters the lymphatic vessels and is primarily composed of water, electrolytes, and some white blood cells.
Compare the locations: Blood plasma is found within the circulatory system, specifically in the blood vessels. Lymph, on the other hand, is found within the lymphatic system, which includes lymph nodes and lymphatic vessels.
Identify the key differences: The main difference between blood plasma and lymph is the presence of proteins. Blood plasma contains proteins like albumin and fibrinogen, which are not present in lymph. This difference is due to the selective permeability of capillary walls, which allows water and small molecules to pass but retains larger proteins.
Conclude the statement's accuracy: Given the differences in composition, particularly the presence of proteins in blood plasma and their absence in lymph, the statement that blood plasma and lymph are identical is false.