Final answer:
When a student arrives late for an exam, they may not be allowed to take the exam.
Step-by-step explanation:
When a student arrives late for an exam, the consequences may vary depending on the specific rules and regulations set by the school or teacher. However, in general, the most common outcome is that the student may not be allowed to take the exam. In some cases, the student might receive a warning or a lower grade for arriving late, but this is not always the case.