442 Physiology Which of the following is the most important interaction in the formation of cell membrane lipid bilayer and in lipid-protein interaction? AHydrophobic interactions (Correct Answer)BBoth hydrophobic and convalent interactionsCCovalent bondsDHydrogen bonds
443 Physiology Which hormone act on intracellular receptors- AThyroxine (Correct Answer)BGlucagonCInsulinDPDGF
444 Physiology Concurrent flexion of both wrists in response to electrical stimulation is characteristic of which area of the nervous system APostcentral gyrusBVestibulospinal tractCDentate nucleusDSupplementary motor coex (Correct Answer)
446 Physiology Most important buffer system in human blood: ABicarbonates (Correct Answer)BChloridesCHbDPhosphates
447 Physiology Volume of lung after maximal forceful expiration – ATidal volumeBResidual volume (Correct Answer)CInspiratory reserve volumeDExpiratory reserve volume
448 Physiology True about spleen is all except AThe long axis of the spleen lies along the twelth rib (Correct Answer)BThe spleen is situated in the upper left quadrant of the abdomen beneath the diaphragmCA pathologically enlarged spleen extends downward and forward, toward the umbilicusDBecause of the presence of the left colic flexure and the phrenicocolic ligament, the spleen is unable to expand veically downward
449 Physiology A 45-year-old female with a long history of progressive myopia develops sudden patchy loss of vision in her right eye. She is very alarmed and rushes to her family doctor. Funduscopic examination reveals a large retinal detachment in the right eye. The retina in the left eye is normal. When the pupillary light reflex is tested by shining a light in the right eye, the physician would likely note? AConstriction of the right pupil and constriction of the leftBConstriction of the right pupil and dilatation of the leftCDilatation of the right pupil and constriction of the leftDDilatation of the right pupil and dilatation of the left (Correct Answer)
450 Physiology What is the clearance of a substance, if its concentration in plasma in 10 mg% concentration in urine is 100mg% and urine flow is 2 ml/min? A0.2 ml/minB0.2 ml/minC2 ml/minD20 ml/min (Correct Answer)