JIPMER NOVEMBER 2014-OHC/POSITIVE based discussion-Quest--6-7 6)Which of the following parameter is not dependent on the preload or afterload a)Ejection fraction b)Sroke volume c)End systolic volume d)Cardiac output ans c Squatting is associated with an abrupt increase in LV preload and afterload. * Rapid standing results in a sudden decrease in preload. Stroke volume depend on three factors: (1) the length of the muscle at the onset of contraction- the preload; (2) the tension that the muscle is called on to develop during contraction- the afterload; and (3) the contractility of the muscle. ref-OPERATION HARRI-vol-1-page-636 Which of the following is not seen in Hyperthyroidism Hyperactivity Alopecia Diarrohea Palpitation Ans b Symptoms * Hyperactivity, irritability, dysphoria * Heat intolerance and sweating * Palpitations * Fatigue and weakness * Weight loss with increased appetite * Diarrhea * Polyuria Oligomenorrhea, loss of libido Hyperthyroidism-presentations include palpitations, systolic hypertension, sinus tachycardia (40%), atrial fibrillation (15%.) Ref-OPERATION HARRI-vol-1-page – 1045/747
Posted on: Sat, 29 Nov 2014 03:42:44 +0000