A Stethoscope _______________________________ Contents: Questions Questions and answers ________________________________ Questions How many heart sounds are there? 1 2 3 4 How many components do S1 and S2 each have? One Two Three Four Which heart sound has the highest pitch? 1st heart sound 2nd heart sound 3rd heart sound 4th heart sound Which heart sound lasts for the longest duration? 1st heart sound 2nd heart sound 3rd heart sound 4th heart sound Closure of AV valves produce 1st heart sound 2nd heart sound 3rd heart sound 4th heart sound 2nd heart sound is produced during Closure of AV valves Opening of AV valves Closure of aortic and pulmonary valves Opening of aortic and pulmonary valves Heart sound that is heard in the beginning of ventricular systole: 1st heart sound 2nd heart sound 3rd heart sound 4th heart sound Heart sound that is heard in the end of ventricular systole: 1st heart sound 2nd heart sound 3rd heart sound 4th heart sound S3 and S4 occur in Systole Diastole
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Medicine mcqs|| anatomy of large intestine|| mcqs for medical students|| medicine quiz||
Is divided into the cecum, appendix, colon, rectum, and anal canal
An important part of the human digestive system and the lower part of the digestive tract
Upper end connects to the small intestine （cecum and ileum）
Lower end connects to the anus
Receives the food residue from the small intestine, absorbs the excess water in it, and forms feces
Cecum is the blind pouch, located in the right iliac fossa
Appendix is a hollow tube, contains large amount of lymphoid tissues in its wall
Base of appendix lies deep to McBurney point
During acute appendicitis, maximum tenderness is felt at McBurney point, which is at the junction of the lateral one third of the line between right anterior superior iliac spine and the umbilicus
Colon has 4 parts
Ascending colon, transverse colon, descending colon and sigmoid colon
Ascending and descending colons are retroperitoneal organs, blood supply comes from SMA and nerve innervation by vagus nerve
Transverse and sigmoid colons have their own mesenteries, blood supply comes from IMA and and innervation by pelvic splanchnic nerves
Presence of haustra(pouches of the colon) is the unique feature of colon
Rectum extends from sigmoid colon to the anus
Pectinate line of anal canal separates upper visceral and lower somatic portions
Somatic and visceral portions of anal canal has different types of epithelial lining, different sensory innervations and venous drainage
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Figure-1: Sketch diagram of internal capsule Note:Please pay close attention to the surrounding structures of internal capsule. I bet it helps a lot solving questions later. We value your time. Without any boring intro, let’s get straight into questions.
Blood supply of stomach Arterial blood supply to stomach mainly comes from the celiac trunk Most parts of the stomach get blood supply from more than one artery Dual blood supply decreases the risk of hypoperfusion Fundus of the stomach is supplied only by short gastric arteries, branches of the splenic artery. Therefore occlusion of the splenic artery may lead to ischemia/ hypoperfusion of the fundus. Directly start Quiz? Click here Figure-1 Arterial blood supply of stomach T o remember all the arteries and their territories, I highly suggest you draw this diagram by yourself and label all the arteries. It is not easy to remember all the names for a long period of time but here are pro tips and tricks that you can use in order to make it last longer and solve multiple-choice questions as well: Draw a simple sketch of above figure-1 (your figure does not need to be artistic) Label all the important arteries Recall the anatomy and surrounding structures of the stomach. How doe
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