Few topics in neurobiology have attracted as much atten-. tion or resources over the past 20 years as the phenomenon. of LTP (long-term potentiation), a putative mechanism for. the induction of stable memories in the mammalian brain. Long-term potentiation is typically expressed as an in-.
Test items must undergo a review process that can take several years before being included on the MPRE. The test is composed of sixty multiple-choice questions which must be completed in two hours and five minutes. The test is given only three times each year. Each jurisdiction sets its own passing score.
Preparing for the MPRE. Test Format. The MPRE consists of 60 multiple-choice questions: 50 scored questions and 10 unscored pretest questions. The pretest questions are indistinguishable from those that are scored, so examinees should answer all questions. Each of the questions on the MPRE is followed by four possible answers.