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🌊 Aquaflask - 🌊 LQ7: Module 7 4&5 (The Circulation and Hemodynamics, Control of Systemic Circulation) [PHYSIOLOGY] [page 116]

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Published	01/14/2024	1. Which of these naturally-occurring substances convert angiotensinogen to angiotensin?A ACEB AngiotensinaseC ANPD Renin
Published	01/14/2024	2. Which of the following reflexes will most likely be activated in exercise to increase oxygen supply to active muscles?A Carotico-aortic sinus refle…
Published	01/14/2024	3. Which of the following will least likely give rise to hypotension and bradycardia?A Rise in venous pressureB Rise in left ventricle pressureC Rise …
Published	01/14/2024	4. Which organ/system can influence blood pressure by affecting plasma protein concentration?A Respiratory systemB Endocrine systemC Autonomic nervous…
Published	01/14/2024	5. Which of the following directly precedes the secretion of renin?A Low perfusion pressureB Decreased renal blood flowC Contraction of vascular smoot…
Published	01/14/2024	6. The primary stimulus for the release of the antidiuretic hormone?A Increased blood volumeB Decreased blood volumeC Increased ECF osmolalityD Decrea…
Published	01/14/2024	7. When an individual who is in the recumbent position for quite some time decides to stand abruptly, he experiences orthostatic hypotension. Which of…
Published	01/14/2024	8. Rapid loss of at least how many percent of the total blood volume would already lead to a decrease in central blood volume, venous return, ventricu…
Published	01/14/2024	9. Which of these sets of organs has the least tolerance for reduced blood supply, necessitating intrinsic flow-regulating mechanism?A Heart and brain…
Published	01/14/2024	10. Local blood flow to a tissue increases in response to _____ metabolic activity and _____ oxygen availability.A Increased; increasedB Increased; de…
Published	01/14/2024	11. Which of the following statements is correct regarding the myogenic mechanism?A Most pronounced in arterioles and venulesB Initiated by stretch-in…
Published	01/14/2024	12. Which of the following statements is correct about angiogenesis?A Hastened by substances such as steroids and angiotensinB Characterized by the de…
Published	01/14/2024	13. Which of the following organs receives more blood during diastole than during systoleA BrainB LiverC KidneyD Heart
Published	01/14/2024	14. An interesting phenomenon that occur in persons who experience intense emotional disturbance causing fainting is related to the activation of:A Sy…
Published	01/14/2024	15. What is the body's most immediate response to severe hemorrhage? Activation ofA Hering-Breuer reflexB Thirst centerC Low pressure baroreceptorsD R…
Published	01/14/2024	16. Natriuresis, diuresis, kaliuresis are effects of what?A ADHB ANFC AldosteroneD Angiotensin II
Published	01/14/2024	17. A decrease in blood volume activates the RAA system and ultimately aldosterone release. Aldosterone acts on the kidney to bring back the blood vol…
Published	01/14/2024	18. A subject had his blood pressure taken using an aneroid meter. As the cuff was slowly inflated, he noticed the blanching of his palm. When the pre…
Published	01/14/2024	19. Mean arterial pressure of 190/100 in mmHgA 100B 115C 130D 145
Published	01/14/2024	20. The emergency physician did a focused physical examination and requested for diagnostic tests including a plain CT scan of the brain. The tests sh…
Published	01/14/2024	21. Short term regulation of the systemic circulation is achieved primarily by activity of theA Angiogenic factorsB Motor cortexC Neural reflexesD Par…
Published	01/14/2024	22. A patient responded to a drug with a decrease in his total systemic peripheral resistance and an increase in mean arterial pressure. Which of the …
Published	01/14/2024	23. This fluid is less viscous when exposed to higher velocityA NewtonianB ThixotropicC Bingham bodyD None of the above
Published	01/14/2024	24. Which of the following conditions will have viscous blood?A DehydrationB Polycythemia veraC Both A and BD Neither A or B
Published	01/14/2024	25. Which of the following statements is correct regarding flow rate in the arterioles?A When flow rate increases, viscosity decreasesB The higher the…
Published	01/14/2024	26. As the blood vessels branch, their radius decreases. Which of the following blood vessels have the least resistance?A AortaB ArteriesC Capillaries…
Published	01/14/2024	27. The flow of blood through any component is equal to the flow of blood in any other componentA Poiseuille-Hagen formulaB Fahreus-Lindqvist phenomen…
Published	01/14/2024	28. Which blood vessel has the least pressure?A CapillariesB VenulesC ArteriolesD Vena cava
Published	01/14/2024	29. In a normal state, the tendency of turbulence to occur increases with:A Increase in velocity of blood flowB Increase in viscosity of bloodC Increa…
Published	01/14/2024	30. Which of the following determinants of blood pressure would bring about an increase in the diastolic pressure?A Increase in cardiac outputB Increa…
Published	01/14/2024	31. Incorrect mean arterial pressureA 1/3 SBP + 2/3 DBPB 1/3 (SBP - DBP) + DBPC 1/3 SBP x 2/3 DBPD 1/3 PP + DBP
Published	01/14/2024	32. Which of the following describes CVP?A Measures pressure in right and left atriaB Used to assess cardiac outputC Aids in the diagnosis of right-si…
Published	01/14/2024	33. Which of the following increases venous return?A Increased right atrial pressure B Dilation of arteriolesC Increased total peripheral resista…
Published	01/14/2024	34. What happens during contraction of the capillaryA The size of the intercellular pores are reducedB Limits the flow of fluids and electrolytesC Fil…
Published	01/14/2024	35. Which of the following functions as resistance vessels.A Aorta and large arteriesB Small arteries and arteriolesC CapillariesD Veins and venules
Published	01/14/2024	36. The following describes the relationship between blood vessel tension and transmural pressureA BernoulliB PoiseuilleC LaplaceD Continuity
Published	01/14/2024	37. A change in which of the following will exert the greatest effect in blood flow:A Blood viscosityB Vessel lengthC Vessel radiusD Pressure differen…
Published	01/14/2024	41. An unconscious woman was sent to the ER. CPR was performed until her pulse returned. The doctor asked Gab, a clinical clerk, to determine the pati…
Published	01/14/2024	42. When does maximal flow in the left coronary vessels occur?A Isovolumetric relaxationB Atrial contractionC Ventricular fillingD Isovolumetric contr…
Published	01/14/2024	43. What phase is a muffled Korotkoff sound?A 2B 3C 4D 5
Published	01/14/2024	46. In getting BP, cuff size is very important. If the cuff is 20% wider than the diameter of a patient's arm:A BP will be lower than normal.B BP will…
Published	01/14/2024	47. An increase in cardiac output would more likely:A Increase the systolic pressureB Increase the diastolic pressureC Decrease the systolic pressureD…
Published	01/14/2024	48. Vasoconstriction of the arterioles will lead to:A Decreased peripheral resistance and decreased diastolic pressureB Increased peripheral resistanc…
Published	01/14/2024	49. Determinant of central venous pressureA Volume of blood in right atriumB Characteristics of the vessel wallC Peripheral resistanceD Effect of grav…
Published	01/14/2024	50. Which of the following is true about factors in increasing venous return flowA A decrease in arterial pressure decreases pressure gradient and dec…
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