*Question*
Q: How many electrons are in the hydrogen atom? Choices: - five - two - three - one A:
**Answer**
one

*Question*
Q: Blood pressure is significantly affected by what physical force? Choices: - mass - volume - density - gravity A:
**Answer**
gravity

*Question*
Q: Acids are associated with a low number on which scale? Choices: - metric - acidic - ionic - ph A:
**Answer**
ph

*Question*
Q: What organ is subdivided into ascending, descending, transverse and sigmoid parts? Choices: - heart - uterus - lungs - colon A:
**Answer**
colon