1. All of the following affect resting ventilation exceptJ receptorsOxygenPCO2Stretch receptorsQuestion 1 of 20 2. Tubuloglomerular feedback is for regulation ofBlood volumeSodium reabsorptionBPGFRQuestion 2 of 20 3. Which muscarinic receptor causes dilatation of vesselsM3M4M2M1Question 3 of 20 4. Purkinje fibres areModified nerve fibresModified smooth muscleFibrous tissueModified cardiac muscleQuestion 4 of 20 5. With time, blood stored in a blood bank tends to become relatively depleted of 2,3- diphosphoglycerate (2,3-DPG). What effect does this have on the hemoglobin-oxygen dissociation curve?Shifts the curve to the left, so that the hemoglobin has a decreased oxygen affinityShifts the curve to the right, so that the hemoglobin has a decreased oxygen affinityShifts the curve to the left so that the hemoglobin has an increased oxygen affinityShifts the curve to the right, so that the hemoglobin has an increased oxygen affinityQuestion 5 of 20 6. Most recent taste sensation issweetumamibittersourQuestion 6 of 20 7. Increase in extracellular Na+ has following effect on RMPIncreaseNo changeEither increase or decreaseDecreaseQuestion 7 of 20 8. equilibrum potential for an ion s calculated usinggibbs donnan equationnernst equationhenderson hesselbach equationgoldman equationQuestion 8 of 20 9. Salivary amylase is activated byClHCO3K+Na+Question 9 of 20 10. Common precursor of mineralocorticoid, glucocorticoid and sex steroidsDehydrotestosteroneAlpha-hydroxyprogesteroneDeoxycortisolPregnenoloneQuestion 10 of 20 11. Spirometry can demonstrate and measure all of the following exceptVital capacityTidal volumeInspiratory reserve capacityResidual volumeQuestion 11 of 20 12. Feed forward inhibition synapse seen inBasal gangliaMedullaCerebellumHypothalamusQuestion 12 of 20 13. which of the following statements about vasomotor centre (VMC) is trueessentially silent in sleepindependent of corticohypothalamic inputsacts along with the cardiovagal centre (CVC) to maintain blood pressureinfluenced by baroreceptor signals but not by chemoreceptorsQuestion 13 of 20 14. Gastrin stimulates the secretion of HCl. Which of the following cell types located at the fundus of the stomach produces HCl?Mucous cellsParietal cellsChief cellsG cellsQuestion 14 of 20 15. Papez circuit is formed by which thalamic nucleusMedial geniculateLateral geniculatePosteriorAnteriorQuestion 15 of 20 16. Muscle spindle detects:Change in muscle postureChange in muscle lengthChange in muscle positionChange in muscle toneQuestion 16 of 20 17. In which of the following situation there is difference in 02 Saturation but no decrease in 02 tension:HypoventilationRight to Left ShuntAnemiaCO PoisoningQuestion 17 of 20 18. Function of epinephrine and norepinephrine in Fight or Flight response isincreased blood flow to musclesBronchoconstrictionIncreased blood flow to skinBradycardiaQuestion 18 of 20 19. Calcium is pumped back into sarcoplasmic reticulum byRinotidine receptorNoneSERCASodium pumpQuestion 19 of 20 20. physiolgical response to smoking are all exceptincreased heart rate and increased catecholemine releasedecreased HDLincreased hematocritdecreased carboxyhemoglobinQuestion 20 of 20 Loading...