The aim of this research was to determine the satisfaction of medical students with problem-based learning (PBL) and their approaches to learning to investigate the effect of learning approaches on their levels of satisfaction. The study group was composed of medical students from three different universities, which apply PBL at different levels in their curricula. The revised two-factor study process survey was applied to the study group to determine their approaches to learning as "deep" or "surface" learning. In addition, another survey of 20 questions was used to determine satisfaction levels of students with PBL and other variables. Of the study group, 64.6% were found to adopt a deep approach to learning, and we confirmed that these students were reasonably more satisfied with PBL.
The advances in neuroimaging have improved clinicoanatomic correlations in patients with stroke. Junctional infarct is a distinct term, used to describe border zone infarcts of the posterior fossa. We presented computed tomography (CT) and magnetic resonance imaging (MRI) findings in a rare case of bilateral symmetrical junctional infarcts between the superior cerebellar artery (SCA) and posterior inferior cerebellar artery (PICA) territories. In addition to precise knowledge of arterial territories required to achieve accurate localization of ischemic lesions on CT and MRI, the radiologist must also be aware of radiologic features and geographic territories of cerebellar arteries and their junctional infarctions.
Objectives: To determine the amount of body fat tissue with skinfold thickness measurements is a common method to estimate the body composition. The other method used for this purpose is ultrasonography which is expensive and needs specialization to apply. In this study, validity of skinfold thickness measurements was investigated using ultrasonography.Methods: One hundred adult volunteers (50 males and 50 females) were used in this study. The ages of the subjects were 20 to 70, selected as10 males and 10 females for each decade. Subcutaneous fat thickness of the subjects were measured at seven body sites (submandibula, triceps, biceps, subscapula, suprailiac, thigh and calf) using a skinfold caliper and an ultrasound equipment. The measurements were made by the same person on the right side of the body, while the subject was standing in a upright position.Results: Mean ultrasonographic measurements were smaller than those performed using a skinfold caliper at all areas (p<0.05). Measurements performed with these two techniques were correlated significantly (p<0.001) at submandibular (r= 0.596), subscapular (r=0.692), suprailiac (r=0.706), triceps (r=0.751), biceps (r=0.752), thigh (r=0.802) and calf (r=0.849) areas.
Conclusion:The skinfold thickness measurements made using skinfold caliper provides reliable information about the subcutaneous fat tissue.
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