What is the primary function of potassium in the body?

Question

BlackTom AI · Accepted Answer

The question asks about the primary function of potassium in the body, so we evaluate each option in terms of known physiological roles.
Option 1: Bone formation. While minerals contribute to bone health, potassium is not a primary driver of bone formation. Calcium, phosphorus, vitamin D, and osteoblast activity are more directly involved in bone synthesis, so this choice misattributes a key function.
Option 2: Enzyme activation. Potassium participates in many cellular processes, but it is not predominantly described as an essential activator of a broad set of enzymes in the way magnesium or zinc are for specific enzymes. This makes the claim overly broad and not the primary function attributed to potassium.
Option 3: Oxygen transport. Oxygen transport is chiefly the job of hemoglobin in red blood cells and to a lesser extent myoglobin, with minerals like iron playing major roles. Potassium does not play a central role in carrying or delivering oxygen, so this option is inaccurate.
Option 4: Osmotic regulation of body fluids. Potassium is a key intracellular cation that helps maintain osmotic balance, cell volume, and electrochemical gradients across cell membranes; it works alongside sodium to regulate fluid distribution and nerve/muscle function. This description aligns with potassium’s principal physiological purpose, making it the correct characterization among the options.

ANSC20002_2025_SM2 Week 4 quiz

What is the primary function of potassium in the body?

查看解析

登录即可查看完整答案

类似问题

Question at position 16 The primary cation in extracellular fluid is:PotassiumSodiumMagnesiumCalcium

In a consumer society, many adults channel creativity into buying things

Economic stress and unpredictable times have resulted in a booming industry for self-help products

People born without creativity never can develop it

A product has a selling price of $20, a contribution margin ratio of 40% and fixed cost of $120,000. To make a profit of $30,000. The number of units that must be sold is: Type the number without $ and a comma. Eg: 20000

Which of the following statement regarding cost is correct:

Under the assumptions used in cost-volume-profit analysis, as the activity increases:

The CVP and break-even analysis are supported by a range of important assumptions. Which of the following is not an assumption of the CVP:

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单