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Revision Exam, Marks :100, , Total Questions:20, , Unit -1, , Animal Physiology, , , , 1)------- Junctions are important in transport of cardiac impulse, , A)Tight Junctions B)Gap junctions C)Adherens Junction D)All of above, , 2), , Identify the cell in above diagram, , A)Eosinophil B) Basophil C)Neutrophil, 3)_------ group is present on B antigen, , A)GalNac B)NAG C)NAM D) Galactose, 4)-------- is rarest blood group in the world, , A)O negative B)Golden Blood phenotype, , D)Monocyte
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C)Bombay Phenotype, D)O negative, , 5)haeme group in Haemoglobin is formed by, , A)Polypeptide chain B)Protoporphyrin + Fe, C)Monomeric units of HB D)Pyrrole rings, 5) -------=- are degradation products of Haeme, A) Bilirubin B)Biliverdin C)Pyrrole D)Both A andB, 6) ----------- antigen is absent in Bombay Phenotype, A)A antigen B)B antigen C) AB antigen D)H antigen, 7)-—--------- ls the Universal acceptor of blood, A)O positive B)O negative C)AB positive D)AB negative, , 8)Coronary sinus open into —---------, A)Right atrium —_B)left atrium C)Left ventricle D)Right ventricle, , 9)---------- acts as pace setters of heart, , A)SA node B)AV node C)Bundle of his D)Purkinje Fibers
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10)T wave in ECG represents—----AjAtrial depolarization B)Ventricular depolarization C)atrial Repolarization, , O)Ventricular repolarization, , 11)Erythropenia is characterized by -----, AjIncraese in Hb B)Increase in RBCS C)Increse in wBCs D)Decrese in Rbcs, , 12)Pulmonary veins opens into ------A)Right atrium B)Left atrium C)Superior vena cava D)Inferior vena cava, 13)Atrial systole lasts for -------, A)0.4sec B)O.5sec c)O.8sec D)0.1sec, , 14) Why Purkinje fibers transmit sigals so rapidly, A)High permeability of gap junctions, , B)Very low no of myofibrils, , C)High no of myofibris, , D)Both a and b, , 15)Why there is delay in Av nodal fibres, A) Increased resistance, B)Diminishing no of Gap junctions, , C)Both a and B
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D)Only A, , 16)Plateu phase in ventricular action potential is due to, A)Opening of fast sodium ion channel, , B)Opening of potassium ion channels, , C)Opening of slow Na and Ca ion channels, , D)Both a and B, , 17)resting membrane potential of SA nodal fibres is, A)-80 to -90 mv, , B)—55 to -60 mv, , C)-90 to-100, , D)-20 to -40, , 18) semilunar valve is present in between, A)LA to lv, , B)RA to RV, , C)Rv to pulmonary Trunk, , D)Lv to aorta
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19)-------- nervous system Incraeses the heart beat, A)Synpathetic nervous system, , B)parasympathetic nervous system, , C)Peripheral nervous system, , D)None of above, , 20)How heart beat nonstop without fatigue, , A)Less no of mitochondria, B)More no of mitochondria, , C)coronary supply, D)Both B and C
