Alcohol and drugsQuestion 302 of 352

An operator refuses a timely chemical test that a law enforcement officer directs with reasonable cause. What is presumed?

  1. That the operator is sober
  2. That the test was unfair
  3. That the boat is unsafe
  4. That the operator is under the influence
Show answer

Correct answer: That the operator is under the influence

A refusal can be used as evidence and the person is presumed to be under the influence.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 95: Operating a Vessel While Under the Influence of Alcohol or a Dangerous Drug, § 95.040 Refusal to submit to testing

All questionsPractice the topic "Alcohol and drugs"

Questions last reviewed: 18 October 2026