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1) Lesions of which of the following nuclei cause hypothalamic obesity a. ventromedial nucleus               b. dorsomedial nucleus c. suprachiasmatic nucleus           d. supraoptic nucleus Ans. a 2) The EPSP a. is an all or none response to a presynaptic potential   b. can be temporarily summated during repetitive presynaptic stimulation c. always initiates an action potential      d. lasts only for the duration of presynaptic action potential Ans. b 3) Following statements are true for dopamine except a. it is related to Parkinsonism    b. it is found in the cells uninhibited by Ach in basal ganglia c. it is one of the endogenous opiates from CNS                 d.   it cannot be replaced in CNS from dietary dopamine ...

1. Which of the following is NOT a function of the lungs? A. Metabolism B. Serves as a reservoir of blood for the left ventricle. C. It is a filter to protect the systemic vasculature D. Facilitates the exchange of O2 and CO2 between air and blood. E. All of the above are true. Correct Answer: E 2. Which of the following is in the correct path of CO2 from the tissue to the atmosphere? A. Reaction with H2O to make H2CO3, dissociation to H+ and HCO3-, H+ combines with imidazole side chain of hemoglobin, carried back to lungs as HHb+ and HCO3-, reverse reaction forms CO2. B. O2 is metabolized to CO2, reaction with H2O to make H2CO3, H2CO3 combines with imidazole side chain of hemoglobin, H2CO3Hb+ is carried back to the lungs, reverse reaction forms CO2. C. Reaction with H2O to make H2CO3, dissociation to H+ and HCO3-, HCO3- combines with imidazole side chain of hemoglobin, carried back to the lungs as HCO3-Hb+ and H+, reverse reaction forms CO2. D. O2 is meta...

 FCPS part 1 Medicine & Allied past MCQs...Recalls Part2 1. what is true about critical temperature:  a. applies on mixture of gas.  b. of co2 is 31c  c. of oxygen is 121c  d. of nitrogen is 21c  e. is temperature below which pressure can keep gas liquid  2. Humidity in OT should be  a.27  b.45  c.37  3. Ropivacaine is used for epidural anaesthesia instead of bupivacaine during labour,because  a. it is less toxic  b. no effect on fetus  c. recovery is quick  d. prolonged action  4. half life of pseudocholine esterase is  a. 2 hours  b. 1 week  c. 3 days  d. 12 hours  5. regarding phosphodiestease inhibitor (I can just recall there was some option regarding its inactivation of cAMP,,which I ticked..but don’t remember exactly now what the other options were )  6. volume of distribution depends on following except  a. age ...

FCPS part 1 Medicine & Allied past MCQs 1. Tumor spread by: a. Migration of tumor cells b. Breakdown of e-cadherin c. sepeation of tumor cells from one another d. Damaging extracellular matrix e. 2. What is most common cause of congenital hypothyroidism: a. Maternal iodide deficiency b. Inborn error of metabolism c. Defective embryogenesis d. Antibodies against thyroid hormone crossing placenta e. 3. Diabetic pat taking oral hypoglycemic drugs complain of abdominal fullness, which drug can b given to decrease gastropresis a. Omeprazol b. Cimetidi c. Antacids d. Metclopramide e. 4. On motor bike accident fracture of neck of humerus n can,t abduct his arm.due to a. Axillary nerve b. Long thoracic nerve c. Musculocutaneous nerve d. e. 5. Regarding trachea a. Gap in the C shape cartilages are lying anteriorly b. 15 cm in length c. Recurrent laryngeal nerve pases anteriorly d. Isthmus of thyroid lying in front of 4rt or 5th tracheal r...