Multiple Choice
Which of the following organ systems is primarily responsible for transporting nutrients, gases, and waste products throughout the body?
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2. Cell Chemistry & Cell Components
Introduction to Chemical Bonding
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Which of the following is not a function of sodium in the body?
A
Maintaining acid-base balance
B
Facilitating nerve impulse transmission
C
Regulating blood pressure
D
Acting as a primary intracellular cation
Verified step by step guidance1
Understand the role of sodium in the body: Sodium is a crucial electrolyte that primarily exists in the extracellular fluid and is essential for various physiological functions.
Review the functions of sodium: Sodium helps maintain acid-base balance, facilitates nerve impulse transmission, and plays a role in regulating blood pressure.
Identify the typical location of sodium: Sodium is predominantly found outside cells (extracellular), not inside (intracellular).
Recognize the role of intracellular cations: The primary intracellular cation is potassium, not sodium.
Conclude that the statement 'Acting as a primary intracellular cation' is not a function of sodium, as sodium is mainly an extracellular cation.
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