The idea that assessment is intrinsic to effective instruction is traced from early experiments in the individualization of learning through the work of Benjamin Bloom to reviews of the impact of feedback on learners in classrooms.
Incidental hypervascular lesions are also very common findings in liver imaging. It is important to differentiate between 'touch' and 'don't touch' lesions. Benign 'don't touch' hypervascular tumors include hemangioma, FNH and small adenomas.
Commonly referred to as hypernasality, velopharyngeal insufficiency or VPI is a resonance disorder (how the cavities of the mouth and nose effect the way speech sounds) that results from too much air moving through the nose during speech. This is caused by insufficient structure or function of the soft palate.