Several Courts Have Considered the Use of the Horizontal Gaze

Multiple Choice

Several courts have considered the use of the horizontal gaze nystagmus test (HGN) to estimate the level of alcohol in the blood. The decisions indicate that:

A) these tests are of no value in determining blood-alcohol content.
B) because the tests are of a scientific nature, officers are not qualified to testify concerning the use of such tests.
C) some courts have held that the HGN tests satisfy the tests for reliability and may be admitted in evidence as a factor in establishing probable cause to arrest for driving under the influence.
D) ingestion of alcohol has no bearing on eye movement.