# PTE Reading FIB #6: Potassium and Bone Health

Reading: Fill in the Blanks #6 - Level 1 - Feeds Reading

> In the text below some words are missing. Drag word from the box below to the appropriate place in the text. To undo an answer choice, drag the word back to the box below the text.

A higher potassium intake has also been ____ with increased bone density and bone strength. While researchers are ____ as to why, one theory is that potassium helps to neutralize acids that naturally occur when eating animal protein and sodium. Without ____ potassium to neutralize these acids, calcium is pulled from the bones to do the job instead, and without enough calcium, bones become weaker.

## Answer

A higher potassium intake has also been **associated** with increased bone density and bone strength. While researchers are **unclear** as to why, one theory is that potassium helps to neutralize acids that naturally occur when eating animal protein and sodium. Without **adequate** potassium to neutralize these acids, calcium is pulled from the bones to do the job instead, and without enough calcium, bones become weaker.

## Explanation

Blank 1 follows "has also been" and comes before "with," so you need "associated with," a fixed phrase for a link. In blank 2, "researchers are ___ as to why" shows they do not know the reason. "Unclear" fits. "Divided" means they disagree, and "conclusive" means certain, which clashes with "one theory is."

## Hints

- Look for words that describe a relationship or a state of knowledge.
- Consider what kind of quantity is needed to perform a biological function effectively.

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