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Large parasites, such as helminths, are most effectively
attacked by:
(a) Basophils
(b) Erythrocytes
(c) Platelets
(d) Neutrophils
(e) Eosinophils
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- In the absence of infection, what percentage of cells in human blood are leukocytes?What do you mean by fixed macrophages?Can someone explain this diagram? For example, it says here the pulmonary arteriole carries deoxygenated blood to the heart, but I thought arteries carry blood away from the heart?
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- Why is the term “hemolymph” more appropriate for invertebrates such as the crayfish, while the terms “blood” or “lymph” are more appropriate for mammals such as the pig?If the life span of an erythrocyte is 120 days, how many times a year would a sickle cell patient need to be given a blood transfusion to ensure a unit of healthy erythrocytes at any given time?What do you mean by wandering macrophages?
- Scenario: You and your two other friends were hiking and along the trail, you saw a man who is unconscious, with blood oozing from his head. How should you deal with this situation?a. What is the first thing that you should do?What connective tissue cell shares functional and structural features with a basophilic leucocyte?Which of the following sudden changes might be a result of an infection? a. increase in the activity of white blood cells b. decrease in the activity of antigens produced by the mitochondria c. decrease in the amount of DNA present in the nuclei of cells d. increase in the number of red blood cells