Question

something that blocks an air passage is called a(n) _____.outletdiversionoutlierobstruction

Explanation:

• "Outlet" refers to an exit point, not a blockage.
• "Diversion" means redirecting something, not blocking it.
• "Outlier" is a data point or entity outside a normal range, unrelated to air passages.
• "Obstruction" is defined as something that blocks or clogs a passage.

Answer:

obstruction