Solve Physiology AIIMS 2019 1. What is the function of the Golgi tendon organ? Sense changes in the position of the muscle Sense changes in muscle tension Sense changes in muscle direction Sense changes in the length of the muscle None 2. The first-order neuron in the optic pathway is? Ganglion cells Rods and cones Bipolar cells Cells in lateral geniculate body None 3. What is the Pacemaker generating the rhythm for breathing? Dorsal group of neurons in the medulla Pneumotaxic centre Pre-Bötzinger complex Apneustic centre None 4. All the following are example of feed forward control mechanism except? Cephalic phase of gastric secretion Exercise resulting in heart rate increase Cerebellar action in motor coordination Temperature Regulation None 5. Single breath nitrogen method is used for measuring Functional Residual Capacity Dead space volume Diffusion capacity Tidal volume None 6. I-125 labelled albumin is used for measurement of: Interstitial fluid volume ICF ECF Plasma volume None 7. The hormones is exclusively secreted by adrenal gland but not by the ovaries is Estrogen DHEA-5 Progesterone DHEA None 8. Which hormone crosses the plasma membrane for its action? Glucagon Thyroxine Insulin Epinephrine None 9. Where do the Afferent fibers from baroreceptors for blood pressure control goes to Nucleus Tractus Solitarius Nucleus ambiguous Rostral-ventro lateral medulla Caudal ventrolateral medulla None 10. If the lung is allowed to undergo elastic recoil without the chest wall, the resultant volume of the lung would be? Functional residual capacity Zero Residual volume Minimum volume None 11. Myosin head detaches from actin by which of the following mechanism? Entry of calcium into sarcoplasmic Reticulum Binding of ATP Change in troponin C configuration Release of ADP and Pi None 12. You are an intern and you want to determine the quantity of IV fluids needed for a patient. How much amount of insensible loss per day would you account for in your calculations? 200-350 ml 350-400 ml 500-600 ml 150-200 ml None 13. A soldier posted in Siachen is brought to you in the ER. In order to rule out hypothermia, how do you best measure his temperature? Rectal Oral Infrared tympanic thermometer Axillary None 14. "Vasopressin escape" in SIADH due to: Increase in urine osmolarity Downregulation of aquaporin 2 production Decrease in ADH secretion Upregulation of aquaporin 2 production None 15. The Hormones which do not act on the pancreas are? Gastrin Secretin Cholecystokinin GIP None 1 out of 15 Time's up
