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Quiz: Test Your Knowledge of the Affordable Care Act

Published: Jan 21, 2026

The Affordable Care Act (ACA) affects virtually all aspects of the U.S. health system, including insurers, providers, state governments, employers, taxpayers, and consumers. The ACA introduced regulated health insurance exchange markets, or Marketplaces, which offer financial assistance for ACA-compliant coverage to those without traditional insurance sources.

Take this ten-question quiz to see how much you know about how the ACA affects health insurance coverage and costs as well as who is eligible for financial assistance.

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Question 1 of 10
Which insurer practices were explicitly banned by the ACA in the individual and small-group markets?
Question 2 of 10
Which factors can ACA Marketplace insurers use to charge one person a different premium than another?
Question 3 of 10
Which populations saw the largest premium reductions in dollars on average as a result of the ACA Marketplace’s enhanced premium tax credits, which were established in 2021 and expired at the end of 2025?
Question 4 of 10
What share of ACA Marketplace enrollees received some form of tax credit in 2025?
Question 5 of 10
Tax credits are calculated based on the cost of the premium for a benchmark plan. What is a benchmark plan?
Question 6 of 10
When enhanced premium tax credits expired at the end of 2025, how much did average annual premium payments increase for enrollees to keep the same plan?
Question 7 of 10
The ACA requires insurers to offer plans with reduced patient cost-sharing reductions (CSRs), e.g., such as deductibles and copays to certain Marketplace enrollees with the purchase of a silver plan. Who is eligible for CSRs?
Question 8 of 10
Which components of the ACA have been changed due to a Supreme Court ruling?
Question 9 of 10
How much has ACA Marketplace enrollment changed in the last five years?
Question 10 of 10
As of January 1, 2027, which immigrants are eligible for ACA Marketplace coverage and tax credits?

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