these receptor cells are stimulated a nerve impulse is sent across the body and into the central nervous system where the signal is perceived as one of the animals senses (taste, hearing, sight, smell, equilibrium, etc.). There are three different types of receptors: electromagnetic receptors, mechanoreceptors, and chemoreceptors. In this lab we tested the mechanoreceptors and the electromagnetic (photo) receptors in an earthworm. To test the mechanoreceptors we separated the earthworm…
The statistical test used in this experiment was a Chi-square test because it measures the goodness of fit. There were 370 trials performed in the overall experiment. The sample size in the experiment was 740. Each cricket whether it was labeled intruder or resident had an observed and expectant number times it should win. For the resident crickets, it was expected that the cricket would win 185 times in the experiment. The observed value was calculated to be 238 wins in the experiment as well.…
CTC-PDX models. Second, the biomarkers will be validated for correlation with clinical PDAC metastasis and therapeutic resistance. Finally, we will retrospectively test the application of selected biomarkers in PDAC diagnosis, treatment evaluation and disease prognosis. As biomarkers could be in the form of genomic abnormalities or transcriptional aberrations, corresponding methods will be used for validation, which we have previously reported (118-120). The ultimate objective is to develop…
female students, a researcher might reject the null when it is true. In this case, the researcher would conclude that the performance of male students in science and mathematics is different from that of female students while it is false. Type II Error Type II error is an error that arises when a researcher accepts a false null hypothesis. For instance, in testing the null hypothesis H0: the rate of unemployment in country A is the same as that in country B, a researcher would accept H0 when it…
Influenza is a highly contagious respiratory infection caused by the influenza virus. The illness can range from mild to severe, and can infect people of all ages, races, genders, and sizes. Generally, the illness is not life threatening in most people, but certain groups are at higher risk of requiring hospitalization or even dying from influenza. These at-risk groups of people include young children, the elderly, and people with compromised immune systems. The CDC estimated that there were “25…
There is a great need for a practicable systematic screening test with high sensitivity in order to reduce the missing cases of CH specialy in preterm infants. Evidently pre-term and low birth weight infants require special cares and follow ups.10,11.In this review we try to sytematiclly review previous works in this field and provide a comprehensive protocol for screening of these high risk neonates. Up to this date, a few approaches have been introduced in order to reach this goal. One is…
Introduction Screening tools are an important part of the physical therapy toolbox. It is the first step needed, to identify patients that are at risk for a particular medical condition. For the screening examination to be valid, it has to follows important guidelines to ensure its precision. Screening inquisitions can be arranged in a variety of frameworks, for instance, an individual answer a series of standardizing questions or a dynamic pattern; a person is engaged in selected…
Time Comparison For the 3D-CAM and CAM-ICU, they required similar amount of time to deliver the tools, with “delirious and/or demented patients taking about two minutes longer than normal patients (median of 5 vs. 3 minutes)” (Kurczmarska et al, 2016, p. 301). However, Kuczmarska et al. (2016) found that the CAM-ICU took longer to administer. According to Kuczmarska et al. (2016), the reason for the discrepancy is due to the fact that in the ICU, many of the patients had RASS scores of -4 or -5…
The National Health Service breast screening programme (NHSBSP) was introduced in 1988 with the aim to decrease the incidence and mortality rate of breast cancer (1). Mammography is the primary diagnostic tool of the NHSBP and is offered to women every 3 years (2). Originally screening was available to woman aged 50-64, this was extended to 50-70 in 2003. In England a further extension to the screening age is being rolled out (47-73, (1). The extension of the effective age bracket makes…
Statistics is a branch of mathematics that involves collecting data and interpreting it. It includes a variety of tests. One example of a statistical test that is used to organize data is the one sample z-test. In this statistical test, there is only one group being tested. The one sample z-test is used to compare a sample statistic against a population Salkind (2014). It determines whether a sample can represent a population. The information provided by the one sample z-test gives enough…