Background and Objective: improving academic performance in students is one of the main objectives in the educational centers. Since the nursing students during their educational period are facing with a large volume of material, failure to select the correct study method, causing confusion, disgust of educate and loss of energy and time among them. According to the importance of study habits in academic performance, this study aimed to identify nursing student's study habits and its relationship with academic performance was performed.
Materials and Methods:In this cross-sectional study, 220 nursing students were selected by random sampling method in Hamadan University of Medical Sciences (2016). Data was collected using study habits questionnaire (PSSHI) that has 45 questions in eight areas. In order to measure academic performance, the mean of total score was used. Data were analyzed by descriptive and inferential statistics. Results: The results showed that the mean and standard deviation for score of student's study habits was 45.04 ± 9.37. Study habits in 86.9% of students were relatively good, in6.8% favorable, and in 4.5% of them were poor. The mean of student's Academic grade was 15.61 ± 1.27 and the majority of students (81.9%) had a moderate performance. Between mean score study habits and academic performance there was a significant positive correlation (P<0.001). The variables include sex, years of conditional and scope of reading ability, and take notes known as predictors of academic performance. Conclusion: In general, student's study habits are in moderate grade and can say that the study method in students have not a good quality. On the other hand, due to the significant relationship between study habits and academic performance, pay attention to this issue is considered necessary by the faculty education authorities. Holding training courses, in this regard can be effective in improving student learning process.
________________________________________________________________________________________ HoSSeInzaDeH, S., M. BaHaDorI, M. PoorMontaSerI, M. DeHgHanI, M. FazelI, S. nazIFI: Molecular characterization of Clostridium perfringens isolated from cattle and sheep carcasses and its antibiotic resistance patterns in Shiraz slaughterhouse, southern Iran. Vet. arhiv 88, 581-591, 2018.aBStraCt Clostridium perfringens type A food-borne poisoning is often caused by C. perfringens enterotoxin (CPE) encoded by chromosomal cpe. Contamination of meat with C. perfringens usually leads to food poisoning outbreaks. To find more information regarding the causative agent, we focused on the identification of type A containing cpe and netB genes in cattle and sheep carcasses slaughtered at Shiraz slaughterhouse and investigated the prevalence of antibiotic-resistant plasmid in isolated C. perfringens. 200 specimens were randomly collected by swabbing the whole outer and inner surface of the carcasses, and processed for selective culture on sulfadiazine polymyxin sulphate agar (SPS). The suspected colonies were further identified using species-specific primers as to confirm the presence of the cpa, cpe, netB and tetracycline and enrofloxacin gene resistance patterns. Our results demonstrated that out of 90 and 70 colonies of the positive cultures from cattle and sheep samples, respectively, 40% and 35.7% of the suspected colonies were identified as C. perfringens type A by PCR assay. Moreover, from those type A isolates, only 1 (2.7%) isolate was positive for both cpe and netB genes in the cattle carcasses. The MIC values also showed high tetracycline resistance patterns for cattle (45.8%) and sheep (92.3%) while all of the PCR positive C. perfringens type A isolates were susceptible to enrofloxacin. The high prevalence of C. perfringens in slaughtered animals with a high rate of resistance to tetracycline implies the need for caution in the use of antibiotic in food animals.
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