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.
The two major heart sounds are 'lub' (from the closure of AV-valves) and 'dub' (from the closure of aortic and pulmonary valves). Describe the sounds the heart makes. The first heart tone lub, or S1, is caused by the closure of the mitral and tricuspid atrioventricular valves at the beginning of ventricular systole.