1. all of the following oropharyngeal functions are involuntary except respiration speech gagging tongue position 2. An increase in which of the following best explains the mechanism by which the cardiac output increases in severe anemia? Arteriolar diameter Peripheral vascular resistance Blood viscosity Splanchnic blood flow 3. Peristalsis of ureter depends on parasympathetic flow Sympathetic and parasympathetic flow Pacemaker in smooth muscle of renal calyces Sympathetic flow 4. decreased basal metabolic rate is seen in exercise obesity feeding hyperthyroidism 5. What is the role of the macrophage during antibody formation? Lysis of virus-infected cells Processing antigen and presenting it to T helper CD4 cells Activation of cytotoxic CD8 T cells Delayed hypersensitivity reaction 6. Least conduction velocity is seen in Purkinje fibres AV node Ventricular myocardial fibres Bundle of Hiss 7. Least diffusible ion among following urea K + Na + Cl – 8. normal anion gap is (in mEq/l) 10 to 12 18 to 20 25 to 30 3 to 5 9. Increasing urine flow rate from 1 mL/min to 10 mL/min will significantly increase the clearance of creatinine inulin penicillin urea 10. Which of the following binds to von Willebrand factor at the platelet membrane? Platelet factor 3 (PF3) Glycoprotein GPIb Adenosine diphosphate (ADP) Calcium 11. Angiotensin II causes all of the following, except Aldosterone secretion Stimulation of thirst Increased ADH secretion Vasodilatation 12. interleukins and growth factors are phosphoproteinases neurotransmitters matrix metalloproteinases hormones 13. capacitance of sperms take place in vas deferens seminiferous tubules uterus epididymis 14. in a healthy patient the spaces between the body contain fibrous connective tissue water loose connective tissue air 15. mean circulatory filling ressure is arterial pressure taken at the point when heart stops beating difference between systemic and pulmonary arterial pressure mean arterial pressure diff between central venous pressure and central arterial pressure 16. which one of the following is not seen in humans menstrual cycle estrous cycle ovarian cycle endometrial cycle 17. vagal stimulation of the heart causes increases heart rate increased force of heart contraction increased R-R interval in ECG increased cardiac output 18. Iron is conserved by Hemimedins Hemopexin None Hepicidin 19. all of the following structures lie in the renal medulla except vasa recta loop of henle juxtaglomerular apparatus collecting duct 20. An infant has a coarctation of the aorta that reduces renal blood flow to 50% lower than normal. Which of the following is increased in this infant? Blood flow in the lower body Glomerular filtration rate Plasma levels of angiotensin II Renal excretion of sodium Loading … Question 1 of 20
