Which of the following has the lowest probability of cardiac event-free survival? high CRP and high LDL-cholesterol low CRP and low LDL-cholesterol high hs-CRP and high LDL-cholesterol low hs-CRP and low LDL-cholesterol high hs-CRP and low LDL-cholesterol
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Which of the following has the lowest probability of cardiac event-free survival?
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high CRP and high LDL-cholesterol
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low CRP and low LDL-cholesterol
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high hs-CRP and high LDL-cholesterol
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low hs-CRP and low LDL-cholesterol
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high hs-CRP and low LDL-cholesterol
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- Hemoglobin will bind oxygen and release CO2 in places where there is a higher concentration of O2, lower concentration of CO2, lower temperature and lower acidity (as it is in lungs) and will do the reverse – release oxygen and bind CO2 - in places where there is a lower concentration of O2, higher concentration of CO2, higher temperature and higher acidity (as it is in working muscles). True False While white blood cells never leave the circulation, red blood cells regularly leave it and travel by lymphatic system or find home in other tissues, e.g., lymph nodes, spleen, etc. True False Blood clotting (coagulation) is a complex process involving many factors and it exhibits positive feedback loops: many of the factors also stimulate production of their own precursors. B lymphocytes mature in the thymus while T lymphocytes mature in the bone marrow True False Antibodies are molecules on the surfaces of foreign…The below graph shows changes in several cardiovascular parameters as the result of increased intensity of exercise in a population of untrained individuals. What commonly measured cardiovascular parameters might the curves labeled A, B, and C represent? What are the corresponding units for the y-axis of each measure? For your reference, the two labeled curves represent the Pulmonary Capillary Wedge Pressure (PCWP) and the Central Venous Pressure (CVP), both of which are measured in mmHg.Which of the following situations occurs if a person's blood becomes more alkaline? A. Hemoglobin molecules retain less oxygen per heme group under alkaline conditions than they do at neutral pH or under acidic conditions. B. Hemoglobin molecules give up oxygen more readily under alkaline conditions than they do under neutral pH or under acidic conditions. C. Hemoglobin molecules change shape and begin to lose oxygen molecules. D. Hemoglobin molecules retain oxygen more readily under alkaline conditions than they do at neutral pH or under acidic conditions. E. There is no change in hemoglobin's oxygen-binding affinity under alkaline conditions when compared to blood at neutral pH or under acidic conditions.
- Low doses of aspirin are commonly used to reduce the risk of arterial thrombosis in patients who have suffered myocardial infarction. Which one of the following steps in hemostasis is inhibited by aspirin? Aggregation of platelets| Adhesion of platelets to collagen Production of tissue factor Synthesis of von Willebrand factor Synthesis of antithrombin III|Which of the following statements is INCORRECT about how the components of hemoglobin are recycled? a. Iron ions are either stored in a phagocytic cell or circulate in the blood, bound to transferrin (a plasma protein). b. Each heme is stripped of its iron and converted to bilirubin, then excreted in bile. c. The alpha and beta chains are released into the bloodstream for use by other cells. d. Hemoglobin can be recycled only if phagocytized by macrophages.Which of the following sequences shows the correct pathway of blood from body to lungs? body-superior and inferior vena cava-right atrium-tricuspid valve-right ventricle-pulmonary-semilunar valve-pulmonary trunk-pulmonary arteries-lungs body-superior and inferior vena cava-left atrium-tricuspid valve-left ventricle-aortic semilunar valve-pulmonary trunk-pulmonary arteries-lungs body-superior and inferior vena cava-right atrium-bicuspid valve-right ventricle-pulmonary-semilunar valve-pulmonary trunk-pulmonary veins-lungs body-superior and inferior vena cava-left atrium-tricuspid valve-left ventricle-pulmonary semilunar valve- pulmonary trunk-pulmonary arteries-lungs
- Deficienccy of which one of the following vitamins will NOT lead to anemia? A. Folate B. B6 C. B12 D. EIf the hemoglobin content of blood is below normal, will the hematocrit ratio always be below normal in the same individual? Why or why not?All of the following are related to anemia EXCEPT? A. Thiamin B. Iron C. Vitamin B12 D. Folate
- The following statement describes which level of structure of the hemoglobin molecule? "Each chain is stabilized by electrostatic interactions between -COO- and -NH3+ of amino acid side chains." Primary Second Tert QuatWhich of the following statements best describes the function of the pulmonary arteries or veins? Pulmonary arteries carry deoxygenated blood from the right ventricle of the heart to the lungs. Pulmonary arteries carry deoxygenated blood to the right atrium of the heart from the lungs. Pulmonary veins carry deoxygenated blood from the lungs to the left atrium of the heart. Pulmonary veins carry oxygenated blood from the lungs to the right atrium of the heart.There are several types of anemia that are caused by defective erythrocytes. Which of the following functions are most likely affected by anemia? The ability to defend the body against bacteria Transportation of carbon dioxide The ability to stop bleeding by forming blood clots Transportation of hormones throughout the body