Commonly confused

Cortisol vs Aldosterone

The tell

Cortisol comes from the zona fasciculata under ACTH and manages stress fuel. Aldosterone comes from the zona glomerulosa under angiotensin II and K⁺, and manages sodium. Same organ, different zones, different bosses.

Pairs like this are where exam points go missing — the concepts are fine, the labels swap. Retrieval fixes it faster than rereading: the daily quiz mixes confusable pairs into every set.

Today’s daily quiz All confusable pairs