Final answer:
The nurse who deliberately replaced syringes with unknown substances can face discipline for committing an intentional tort, resulting in harm to patients.
Step-by-step explanation:
The nurse who committed intentional tort could face discipline
In the given scenario, the nurse who deliberately replaced syringes filled with painkillers with unknown substances could face discipline for committing an intentional tort. An intentional tort refers to a wrongful act that is committed on purpose, resulting in harm to another person. In this case, the nurse's actions led to patients testing positive for HIV, which is a serious harm.
Example:
If the nurse intentionally harmed the patients by purposely causing harm or violating their rights, they could face professional consequences such as loss of license, legal action, or disciplinary measures by the nursing board.