Chromosomes are NOT visibly divided into chromatids (think âchromosome kidsâ) until metaphase ;3. Twisting and crossing over are NOT to be shown here. E. PROCEDURE: Do all the following from memory and understanding so far; think of each stage as a frame in amovie film of the process:1.
Distant heart sounds. Introduction. Doctors with a stethoscope heart auscultation if the first heart sound and the second heart sound are weak, heavy cloud, blurred distant sense of those who, for the heart sound far away. Patients are often forced to take semi-recumbent, sitting forward, if supine is the heart sounds more distant. Tuberculous, cancerous, suppurative, rheumatic and some connective tissue diseases caused by pericardial effusion may cause heart sounds distant. Heart sounds far from some patients with chest pain, shortness of breath, difficulty breathing, shallow breathing, cyanosis, poor pulse pressure, congestive splenomegaly and other symptoms.
Normal. The two major sounds heard in the normal heart sound like âlub dubâ. The â lubâ is the first heart sound, commonly termed S1, and is caused by turbulence caused by the closure of mitral and tricuspid valves at the start of systole. The second sound,â dubâ or S2, is caused by the closure of aortic and pulmonic valves, marking the end of systole.