Trying to make drop-down answer directly connect to another drop-down question with varying options depending on the first response.

[olsonth]

https://bayergroup-my.sharepoint.com/:x:/r/personal/thomas_olson_bayer_com/Documents/Fugitive%20Dust... 

[Neal_t_k · Accepted solution]

Assuming you are sharing your xlsx but without a Bayer account it is inaccessible.

Sounds like you are looking for choice filters,  start by looking at this documentation. https://community.esri.com/t5/arcgis-survey123-blog/survey123-tricks-of-the-trade-choice-filters/ba-... 

There are also samples in Connect