Am I smarter than I think?

I started a new job and I’m pretty sure I’m low IQ. I have my CNA and passed my CNA, I work with intellectual disability patients. My therapist said I’d have to be average intelligence to pass my test or higher intelligence.

But I’m pretty sure I’m slow, I have ADD. Anyways, I have a med class tomorrow and I’m worried I’m not going to pass it cause I’m slow. Or am I average intelligence and I’m just overthinking this?
Am I smarter than I think?
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