7471 Physiology In a preterm baby with respiratory distress syndrome which type of cell is deficient AType 1 alveolar cellBType 2 alveolar cell (Correct Answer)CAlveolar capillary endothelial cellsDBronchial mucosal epithelial cells
7472 Physiology Migrating motor complexes AOccur upon arrival of food in the stomachBBegin in the lower pa of the small intestineCAre initiated by pacemaker cells in the small intestineDOccur at a rate of 5 cms per minute from the stomach (Correct Answer)
7473 Physiology PCT has which type of Aquaporin tubules AAquaporin 1 (Correct Answer)BAquaporin 2CAquaporin 5DAquaporin 9
7474 Physiology The sodium-potassium pump is an example of AActive transport (Correct Answer)BPassive transportCFacilitated diffusionDOsmosis
7475 Physiology Estrogen is secreted by ? AGranulosa cells (Correct Answer)BTheca luteal cellsCTheca internaDTheca externa
7477 Physiology The fibre which is the thickest in human nerve is ATouchBPainCTemperatureDProprioception (Correct Answer)
7478 Physiology Calmodulin acts by AOpening of Na+ channelsBPhosphorylation of myosine by protein kinase (Correct Answer)CActivation of Na+-K+ pumpDDephosphorylation by protein kinase
7479 Physiology NaCl sympo is present in which pa of the nephron? APCTBLoop of HenleCDCT (Correct Answer)DCollecting duct