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.
Definition. Renovascular hypertension is high blood pressure that is caused by narrowing (stenosis) of one or both of the arteries, called the renal arteries, that supply blood to the kidneys.Narrowing of the renal arteries reduces blood flow to the kidneys.efinition. Renovascular hypertension is high blood pressure that is caused by narrowing (stenosis) of one or both of the arteries, called the renal arteries, that supply blood to the kidneys.