1. carotid body regulates pO2 in arterial blood regulates tissue fluids regulates hemoglobin synthesis pO2 in venous blood 2. Which of the following binds to von Willebrand factor at the platelet membrane? Adenosine diphosphate (ADP) Platelet factor 3 (PF3) Glycoprotein GPIb Calcium 3. orthopnea in heart failure develops due to reservior function of pulmonary arteries reservior function of leg veins reservior function of leg arteries reservior function f pulmonary veins 4. Which of the following controls the salivary secretion? Gastrin Parasympathetic nervous system CCK Secretin 5. What is the most common cause of an atrial septal congenital heart malformation? Incomplete adhesion between the septum primum and septum secundum Failure of formation of the septum primum Malformation of the membranous interventricular septum Failure of formation of the septum secundum 6. which one of the following is not seen in humans endometrial cycle ovarian cycle menstrual cycle estrous cycle 7. site of RBC formation in a healthy 20 year old male is long bones flat bones yolk sac liver 8. Which of the following is most important for maintaining adequate cardiac output early in the course of exercise? Increased stroke volume Decreased diastolic blood pressure Decreased cardiac index Increased heart rate 9. Peristalsis of ureter depends on parasympathetic flow Sympathetic flow Pacemaker in smooth muscle of renal calyces Sympathetic and parasympathetic flow 10. maximum postprandial motility is seen in ascending colon transverse colon sigmoid colon descending colon 11. ST segment of ECG corresponds to Ventricular depolarization Ventricular repolarisation Atrial depolarisation AV conduction 12. Which of the following is decreased as a result of hyperventilation? Arterial oxygen tension (PO2) Arterial pH Arterial oxygen content Cerebral blood flow 13. Pulmonary function abnormalities in interstitial lung diseases include all of the following except Reduced vital capacity Reduced FEV1/FVC ratio Reduced total lung capacity Reduced diffusion capacity 14. Which of the following is found in the respiratory zone of the lung? Goblet cells Type I epithelial cells Main bronchi Mucous cells 15. normal anion gap is (in mEq/l) 10 to 12 25 to 30 3 to 5 18 to 20 16. Vital capacity is measured by Nitrogen washout technique Gas dilution method Spirometer Plethysmography 17. Gastrin stimulates the secretion of HCl. Which of the following cell types located at the fundus of the stomach produces HCl? G cells Parietal cells Chief cells Mucous cells 18. oxygen dependent killing is done through NADPH oxidase superoxide dismutase glutathione peroxidase catalase 19. The oxygen-hemoglobin dissociation curve shifts to the left under which of the following circumstances? Decreased pH Increased temperature Carbon monoxide poisoning Increased 2,3-diphosphoglycerate (2,3-DPG) D. Increased PCO2 20. Least diffusible ion among following urea Na + K + Cl – Loading … Question 1 of 20
