Increase in threshold level of a nerve on application of a slowly rising sub-threshold stimulus is known as: a) Adaptation b) Accomodation c) Refractoriness d) Electrotonus Correct answer
Adrenaline, noradrenaline and dopamine act through a) Single pass receptor b) Four pass receptor c) Seven pass receptor d) Ligand gated channel Correct answer : c) Seven pass
Pulmonary circulation differs from systemic circulation a) Pulmonary vasodilation in hypoxia b) Pulmonary vasoconstriction in hypoxia c) Decreased blood volume during systole d) Increased basal vasoconstrictor tone Correct
For PCR which of the following is not required: a) Taq polymerase b) dNTP c) Primer d) Radiolabelled DNA probe Correct answer : d) Radiolabelled DNA probe
Iron is actively absorbed in : a) Stomach b) Duodenum and proximal jejunum c) Large intestine d) lleum Correct answer : b) Duodenum and proximal jejunum
True about free water clearance is a) Regulated by ADH b) Regulated by aldosterone c) Increased by furosemide d) None of the above Correct answer : a) Regulated
Oxygen delivery to tissues depends on all except a) Cardiac output b) Type of fluid administered c) Hemoglobin concentration d) Affinity of hemoglobin for Oxygen Correct answer :
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