An acute health effect may:Group of answer choicesA. occur shortly after exposure to a hazardous materialB. happen after a single large exposure to a hazardous materialC. happen years after exposure to a materialD. both a and bE. all of the above

Acute toxicity occurs after: Repeated and/or prolonged exposures Single or short exposures Following exposure to a hazardous chemical Exactly 3 exposures

Multiple Select QuestionSelect all that applyWhich of the following statements about chronic and acute exposure and effects are correct?Multiple select question.Chronic exposures are rarely life-threatening because the dosage in each exposure is generally very small.Acute exposures, because they involve short contact with a toxic chemical, rarely have long-term effects.Acute exposure involves a single contact with a toxic chemical. It may last a few seconds or a few hours.Chronic exposure involves continuous or repeated contact with a toxic substance over a long period of time (months or years).Need help? Review these concept resources.

The same pollutant can have both short-term (acute) and long-term effects. How can the latter be otherwise called?

QUESTION:Which of the following describes physical hazards? Physical hazards cause:POSSIBLE ANSWERS:Damage to specific organs.Bodily harm or injuries.Acute or chronic effects.Severe allergic reactions.

True or false: In a cross-sectional study we cannot determine whether exposure precedes the health outcome.TrueFalse