Primary ciliary dyskinesia is a disorder characterized by chronic respiratory tract infections, abnormally positioned internal organs, and the inability to have children (infertility). The signs and symptoms of this condition are caused by abnormal cilia and flagella.
Apart from the writing sections, all the five sections contain a total of 48 questions. Out of these 48 questions, 40 contribute towards the score in PCAT, while the remaining 8 questions are experimental questions that are not scored. Out of the two writing sections, one section is for experimentation.
PSAT scoring is complex. Your score will range from 320 to 1520 and is calculated by combining your scores on the Reading, Writing & Language, and Math tests. There is no penalty on the PSAT for wrong answers, so definitely guess! Your raw score will be the sum of all the questions you answer correctly.