Hantavirus Pulmonary Syndrome (HPS). Severe HPS. Image courtesy D. Loren Ketai, M.D. Hantavirus Pulmonary Syndrome (HPS) is a severe, sometimes fatal, respiratory disease in humans caused by infection with a hantavirus.Anyone who comes into contact with rodents that carry hantavirus is at risk of HPS. Rodent infestation in and around the home remains the primary risk for hantavirus exposure.antavirus Pulmonary Syndrome (HPS). Severe HPS. Image courtesy D. Loren Ketai, M.D. Hantavirus Pulmonary Syndrome (HPS) is a severe, sometimes fatal, respiratory disease in humans caused by infection with a hantavirus.
PSAT Scoring and Average Scores PSAT scores are reported on a scale that runs from 20 to 80, 20 being the lowest and 80 the highest. This is a parallel to the SAT, which scores between 200 and 800 on each test part.
How PSAT Scores Work. The PSAT consists of three sections, each of which is scored on a scale of 20 to 80 points with 80 being a perfect score.A perfect composite score would be 240, while the worst possible composite score is 60.Like all standardized tests, the PSAT doesn't care how many questions you answer right or wrong in a vacuum.he 50th percentile of PSAT scores for high school juniors was 141 out of 240 in 2014, so if you scored higher than that you beat at least half the field. A score of 163 would place you in the 75th percentile, ahead of three-quarters of the field.