Multiple Choice
Which of these conditions is not a result of hyperkalemia?
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11. Nervous Tissue and Nervous System
Ions - Sodium and Potassium
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What is the major extracellular cation in the human body?
A
Sodium (Na+)
B
Magnesium (Mg2+)
C
Potassium (K+)
D
Calcium (Ca2+)
Verified step by step guidance1
Understand the concept of cations: Cations are positively charged ions. In the context of human physiology, they play crucial roles in various cellular processes.
Identify the location: Extracellular refers to the space outside the cells. The major extracellular cation is the one found in the highest concentration outside the cells.
Review the options: Sodium (Na+), Magnesium (Mg2+), Potassium (K+), and Calcium (Ca2+). Consider their roles and typical locations in the body.
Recall physiological roles: Sodium (Na+) is primarily responsible for maintaining fluid balance and is the most abundant cation in the extracellular fluid.
Conclude based on knowledge: Given its role and abundance, Sodium (Na+) is the major extracellular cation in the human body.
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