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. Both come from the adrenal cortex, but from different zones under different regulators.

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