1. Lewis tripple response is mediated by Injury to endothelium None of the above histamine Axon reflex 2. Dicrotic notch is caused by Opening of mitral valve Closure of mitral valve Closure of aortic valve Opening of aortic valve 3. not done by insulin glycolysis glycogen synthesis ketogenesis lipogenesis 4. Which of the following is decreased as a result of hyperventilation? Arterial pH Arterial oxygen content Arterial oxygen tension (PO2) Cerebral blood flow 5. A patient with severe anemia may have which of the following symptoms? Bradycardia Wide pulse pressure Cyanosis Low stroke volume 6. baby can breathe even while suckling because of short soft palate small pharynx wide and short tongue higher position of larynx 7. all are second messengers ecept cAMP guanyl cyclise DAG IP3 8. pulmonary compliance is decreased in all of the following conditions except decrease surfactant COPD pulmonary congestion pulmonary fibrosis 9. True about bezold-jarish reflex Tachycardia Hyperpnea Hypertension Hypotension 10. normal pH of stomach is 11 to 12 7 to 7.2 4 to 5 8 to 9 11. basal metabolic rate depends most closely on lean body mass body surface area obesity body mass index 12. When the pulse is greater than 200/min and the blood pressure is 75/40 mm Hg, what adjustments have probably occurred in the cardiac cycle? Diastolic time has decreased but systolic time has decreased more Diastolic time has decreased and systolic time has increased Systolic time has decreased and diastolic time has increased Systolic time has decreased but diastolic time has decreased more 13. Compensation for high altitude will result in which of the following physiologic changes? Increased renal excretion of HCO3- Increased renal excretion of H+ ions Decreased production of erythropoietin Decreased 2,3-diphosphoglycerate (2,3-DPG) 14. which of the following is the active form of calcium in circulation albumin bound calcium ionized calcium protein bound calcium phosphate bound calcium 15. The triad of bradycardia, hypertension and irregular respiration is called as Bezold jarisch reflex herrings reflex Cushing reflex Bain bridge reflex 16. Which of the following vascular structures contains the largest proportion of the total blood volume in a normal individual? Aorta and large arteries Capillaries Venules and veins Arterioles 17. Which of the following parameters is expected to increase in response to a 50% reduction in sodium intake for a 2-month period? Atrial natriuretic peptide release Arterial pressure Extracellular fluid volume Renin release 18. fetal hemoglobin has higher affinity for oxygen due to decreased 2,3 DPG concentration reduced pH increased release of carbondioxide oxygendissociation curve is shifted to right 19. Salivary amylase is activated by Cl Na+ HCO3 K+ 20. Maximal ventricular Na+ channel conductance occurs during which phase of the ECG? T wave QRS interval P wave ST interval Loading … Question 1 of 20
