Notes in ✪ JL

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🌊 Aquaflask - 🌊 [HISTOLOGY] [page 82-89] - 🌊 [PHYSIOLOGY] [page 90-94]

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Published	01/14/2024	21. Which major layer of the heart consists of a thin layer of endothelium with a supporting connective tissue layer containing smooth muscle fibers…
Published	01/14/2024	22. What major layer of the heart corresponds to the visceral pericardium? A Endocardium B Myocardium C Epicardium
Published	01/14/2024	24. Which of the following is true about the conductive system of the heart? A 2 nodes are found on the left atrium- the SA node and the AV node B…
Published	01/14/2024	23. Which of the following is TRUE for the circulatory system? A Consists of arteries, veins, and microvascular bed B The pulmonary circulation, f…
Published	01/14/2024	25. This is a structure that acts as a semipermeable barrier between blood plasma and interstitial fluid A Mesothelium B Endothelium C Interstit…
Published	01/14/2024	26. Which of the following is correctly matched? A Continuous Capillaries - Endocrine Glands, Nerve Tissue, Lung Tissue B Discontinuous Capillarie…
Published	01/14/2024	27. This blood vessel type distributes blood to all organs and maintains steady blood pressure and flow with vasodilation and constriction A Small…
Published	01/14/2024	28. Which of the following blood vessels contain endothelial pericytes and scattered smooth muscles and have no adventitia? A Capillaries B Vein…
Published	01/14/2024	29. These are neural crest-derived structures that are filled with dense-core vesicles containing dopamine, ach, and other neurotransmitters A Peric…
Published	01/14/2024	30. Which of the following is true on layers and walls of blood vessels? A The innermost layer called the tunica intima is composed only of endothel…
Published	01/14/2024	31. These structures provide metabolites to the tunics of the larger vessels A Venules B Vasa vasorum C Arterioles D Capillaries
Published	01/14/2024	32. Which of the following is true of fenestrated capillaries? A It has continuous basement membrane B It contains occluding junctions between ove…
Published	01/14/2024	33. On a light microscopic examination, you noticed a blood vessel with an intima that has a single endothelium, 2 layers of smooth muscle and a thin …
Published	01/14/2024	34. A 56 yr old patient is a known hypertensive for 10 years with poor compliance to maintenance medication and recently diagnosed with DM type II. Pa…
Published	01/14/2024	35. Which of the following`is TRUE of capillaries A It secretes growth factors such as VEGF. B Tissues such as dense connective tissue and smooth …
Published	01/14/2024	36. Which of the following best describes lymphatic capillaries A All tissues in our body contains lymphatic capillaries B They converge into larg…
Published	01/14/2024	37. The normal pacemaker of the heart is normally found in the A Left atrium B Right atrium C Right and left ventricles D Interventricular sep…
Published	01/14/2024	38. The transmission of cardiac impulse normally takes the longest time from the SA node to the A Endocardial surface of the left ventricle B Endo…
Published	01/14/2024	39. The total delay in the AV nodal and AV bundle is predominantly brought by A Traveling to intermodal pathways B Travel to AV node before reachi…
Published	01/14/2024	40. Allows the cells to discharge impulses spontaneously at regular intervals; best developed in nodal tissues A Bathmotropic B Chronotropic C…
Published	01/14/2024	41. Contractility; best developed in ordinary myocardial cells A Bathmotropic B Chronotropic C Dromotropic D Inotropic
Published	01/14/2024	42. Conductivity, best developed in Purkinje cells A Bathmotropic B Chronotropic C Dromotropic D Inotropic
Published	01/14/2024	43. Self excitation of nodal cells are brought about by the inherent leakiness of which of the following ion channels A Calcium, sodium, and potassi…
Published	01/14/2024	44. This barrier prevents the spread of cardiac impulse between atrial and ventricular muscles except through the AV bundle A Atrioventricular fibro…
Published	01/14/2024	45. Arrange according to the spread of cardiac impulse from the SA node to the apex of the heart A Bachmann's bundle > av node > bundle of His > LBB…
Published	01/14/2024	46. What structure allows the spread of cardiac impulse from the right atrium to the left atrium? A Anterior Internodal Bundle B Bachman's Bundle …
Published	01/14/2024	47. It would take how many seconds for an impulse to be conducted from the SA Node to the apex of the heart? A 0.17 B 0.18 C 0.2 D 0.21
Published	01/14/2024	48. Parasympathetic stimulation of the cardiac conducting fibers would cause A Decreased permeability to calcium ions B Decreased permeability to s…
Published	01/14/2024	49. Sympathetic stimulation to the heart would increase A Bathmotropic, Dromotropic, chronotropic, inotropic B Dromotropic, chronotropic, inotropi…
Published	01/14/2024	50. The discharge rate of Nodal cells can be decreased by A Making the threshold potential less negative B Making the initial resting potential le…
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