Physiology PYQ 2017 AIIMS 2017 Solve Physiology AIIMS 2017 1. What is the oxygen-carrying capacity of a 16-year-old boy with hemoglobin of 14g/dl? 16 22 18 14 None 2. A 25-year-old patient with a respiratory volume of 500 mL. The intrapleural pressure measured -4 before inspiration and -8 at the end of inspiration. The pulmonary compliance of the patient will be 150 ml/cm H20 50 ml/cm H2O 125 ml/cm H2O 62.5 ml/cm H2O None 3. What is a function of the Golgi tendon organ? Sense changes in muscle tension Sense changes in position of the muscle Sense changes in muscle direction Sense changes in length of the muscle None 4. What is the Reflex responsible for tachycardia during right atrial distension? Bainbridge reflex Bezold-Jarisch reflex J reflex Cushing reflex None 5. During the regulation of ___________ Feedforward control system is employed. Temperature Blood pressure pH Blood volume None 6. All cellular junctions are present in a cardiac muscle except. Fascia adherens Zonula occludens Macula adherens Gap junctions None 7. The difference in trajectory between expiratory loop and the inspiratory loop in the curve is due to: Difference in airway resistance during inspiration and expiration Difference in concentration of surfactant during inspiration and expiration Inspiration is active and expiration is passive Difference in alveolar pressure during inspiration and expiration None 8. The Efferent arteriolar constriction causes all except Decreases oncotic pressure in glomerular capillaries Increases hydrostatic pressure in glomerular capillaries Decreases renal blood flow Decrease in GFR None 9. Absolute refractory period is due _____________ . Closure of active gates of sodium channel Closure of inactive gates of sodium channel Closure of potassium channels Opening of calcium channels None 10. A, B, and C are three permeable ions. A=-50 and B=-30. At RMP if there is no net electrogenic transfer, what is the value of C? -80 +80 -20 +20 None 11. Slow waves are generated by Interstitial cells of Cajal Myenteric neurons Parasympathetic neurons Smooth muscle cells None 12. What is the amount of is glucose excreted if the patient has a blood glucose level of 200 mg/dL and a GFR of 90 ml/min ( transport maximum of the patient is as shown below) 30 mg/min 40 mg/min 50 mg/min 80 mg/min None 13. Which of the following given below can be responsible for the Bezold-Jarisch reflex? Histamine Serotonin Angiotensin Prostaglandin None 14. The fourth heart sound is caused by Vibrations in the ventricular wall during systole Closure of aortic and pulmonary valves Ventricular filling Closure of mitral and tricuspid valves None 15. On JVP "a" wave represents Atrial filling Atrial contraction Ventricular relaxation Ventricular filling None 16. In the 2 vessels shown below, assume the pressure along both the vessels is the same and both follow linear flow pattern. What will be the amount of blood flow in Y compared to X 4 8 16 32 None 17. A 15-year-old boy presents with involuntary dancing movements of his right hand On Investigation he was diagnosed with rheumatic fever. What constitutes the ganglia involved in the presenting complication? Globus pallidus and putamen Globus pallidus and lentiform nucleus Caudate nucleus and globus pallidus Caudate nucleus and putamen None 18. Given below is the demonstration of tetanization in the gastrocnemius muscle of a frog. Identify the tetanising frequency 30-35 Hz 15-20 Hz 10-15 Hz 25-20 Hz None 1 out of 18 Time's up
