Which of the following statements is false about pulpitis?

Irreversible pulpitis may be asymptomatic.

In irreversible pulpitis, there is abnormal response to cold and more current is required in electric testing in advanced stages.

Pulp polyp is less sensitive than pulp and more current is required.

In reversible pulpitis, more response to cold and more current is required to elicit a response.

All of the above