The leukocyte pictured above stains intensely with acidic dyes such as eosin. Which of the following substances is contained in the crystalline core of the granule at the arrow? A. Lactoferrin B. Major basic protein C. Myeloperoxidase D. Histamine E. Tartrate-resistant acid phosphatase
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- Blood Types Are Determined by Cell-Surface Antigens A patient of yours has just undergone shoulder surgery and is experiencing kidney failure for no apparent reason. You check his chart and find that his blood is type B, but he has been mistakenly transfused with type A. Explain why he is experiencing kidney failure.Which of the following statements is true? a. In one day, more fluid exits the capillary throughfiltration than enters through reabsorption.b. In one day, approximately 35 mm of blood arefiltered and 7 mm are reabsorbed.c. In one day, the capillaries of the lymphaticsystem absorb about 20.4 liters of fluid.d. None of the above are true.A patient has a low red blood cell count, and microscopic examination of his blood reveals an abnormally high proportion of circulating reticulocytes. Upon subsequent examination, the patient is diagnosed with a bleeding ulcer. This is surgically corrected, and in due course his blood measurements return to normal. What was the reason for the low red blood cell count and high proportion of reticulocyte?
- Concerning the physical characteristics of the blood, which of these statements is not true? a. The blood is thicker than water b. The blood volume is higher in male than female c. The blood has slightly acidic pH d. Blood color is bright red when oxygenated The formation of a blood clot is known as which of the following? a. Leucopoiesis b. Chemotaxis c. Coagulation d. Erythropoiesis The parotid gland is located __________ and functions to __________ a. behind the stomach; produce and secrete digestive enzymes b. in the wall of the small intestine; produce and secrete mucus c. on the side of the mouth; produce and secrete saliva d. under the mandible; produce and secrete saliva Hematocrit is a measure of: a. the amount of hemoglobin in a given volume of blood b. the percentage of erythrocytes divided by the percentage of leukocytes c. the percentage of total blood volume composed of leukocytes d. the percentage of total blood…Atherosclerosis is a disease of the vascular endothelium. The principal players in the atherogenic processare lipid materials and even cells of the immune system.a. What lipids from the diet participate in the atherogenic process and how did each of themcontribute to the “lipid theory” of the pathophysiology of atherosclerosis?b. What immune system cells participate and how do they mediate in the atherogenic processWhich property do granular and agranular leukocytes have in common?a. Both lack a nucleus.b. Both contain granules or vesicles.c. Both are found in approximately equal numbers in the circulating blood.d. Both are derived from myeloblasts.
- A newborn baby at 34 weeks gestation dies of acute umbilical cord strangulation. At autopsy, examination of hepatic tissue is most likely to show abundant production of which of the following cell types? a. Eosinophils b. Erythrocytes c. Lymphocytes d. Neutrophils e. PlateletsWhich of the following is mismatched? Coagulase – dissolves blood clots Leukocidins – destroy neutrophilic granulocytes Hemolysins – lyse erythrocytes (red blood cells) None of the other four answers are mismatched Hyaluronidase – breaks down “cell cement” to enhance invasivenessIn severe hemorrhage, which Starling’s force is most affected? A. Interstitial hydrostatic pressure B. Capillary hydrostatic pressure C. Plasma colloid osmotic pressure D. Interstitial fluid colloid osmatic pressure E. Plasma oncotic pressure
- Describe the two linages of blood and the major disease with these.Which explanation best describes why plasma proteinscan function as buffers?a. Plasma proteins combine with bicarbonate tomake a stronger buffer b. Plasma proteins are immune to damage fromacids.c. Proteins have both positive and negative chargeson their surface.d. Proteins are alkaline.A T lymphocyte activated in the GALT will subsequently home to all of the following except _____. (Select all that apply.) a. mucosal lymphoid tissues of lactating mammary glands b. the spleen c. mucosal lymphoid tissues of the respiratory tract d. systemic lymph nodes e. mucosal lymphoid tissues of the gastrointestinal tract f. lymphoid tissues of the skin.