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Vt-lab review

QuestionAnswer
Which types of white blood cells have a horseshoe-shaped nucleus with parallel sides? Band cells
Which type of lymphocyte matures only in the thymus? T lymphocytes
Which term indicates an increase in the number of leukocytes? Leukocytosis
Which term indicates a decrease in the number of neutrophils? Neutropenia
Which type of white blood cells’ major function is to produce antibodies? Lymphocyte
The __________ immune system is the first line of defense. Innate
The ___________ system will also retain memory of the invader. Adaptive
____________ are molecular structures on the surfaces of such particles as bacteria, viruses, and pollens. Antigens
Which of the following is not a toxic change in a WBC? Marked decrease in cell size
Antibodies are produced by: B lymphocytes
The cell that can differentiate into a macrophage when in tissue spaces is the: Monocyte
Substances that are capable of generating a response from the immune system are referred to as: Antibodies
The primary Immunoglobulin involved in mucosal immunity is: Antibodies
The primary Immunoglobulin involved in mucosal immunity is: IgA
A term that is used to describe hives is: Urticaria
A “smudge cell” is a: Nucleated cell that has ruptured as a result of damage to cell during smear making
Under a microscope, a technician sees a collection of white blood cells with variable nuclear shapes, diffuse chromatin, and blue-gray cytoplasm, some with vacuoles. Which type of cells is this technician seeing? Monocytes
Phagocytes are a type of White blood cell
The main function of the eosinophil is Allergic reaction
What way of reporting WBC differential results is most useful? As absolute numbers
Which of the following stimulates antibody production? Antigen
The humoral immune system involves B cells
Adaptive or specific immunity includes The response of the defenses of the body to a specific substance
A normal leukocyte count with an increase in immature PMNs that outnumber the mature PMNs is Degenerative left shift
What immunoglobulin is usually present in greatest quantity? IgG
Which WBC has a nucleus: cytoplasm ratio of 1:1 or greater? Lymphocyte
Which WBC has pink-orange granules? Eosinophil
Which WBC can have up to 5 segments of its nucleus? Neutrophil
Which WBC is only slightly larger than a RBC? Lymphocyte
Which WBC has vacuoles in its cytoplasm? Monocyte
Which WBC is the most common WBC in most species? Neutrophil
What is the least common WBC? Basophil
What is the largest WBC? Monocyte
Which WBC’s are granulocytes? Which are agranulocytes? List all of them. granulocytes - neutrophil, eosinophil, basophil agranulocytes - monocyte, lymphocyte
In what two incidences may we see an increase in eosinophils? if there is bacteria or parasites
List 3 toxic changes we may see in a neutrophil. barr bodies changes in neutrophil cytoplasm marked increase in cell size
How many WBC’s are counted during a differential? 100
List 3 physical barriers that are part of the innate immune system. skin, hair, mucus
Briefly describe the difference between “active immunity” and “passive immunity”. Active if exposure or vaccination Passive from another animal
Give 2 examples of Passive Immunity. (2 marks) What is a disadvantage of Passive Immunity?(1 mark) example- bite, blood disadvantage- You can't replenish it once it's gone its gone
The immune system does not always function properly. What are three abnormalities of the immune system and briefly describe each. Autoimmunity - sometimes it reacts to the wrong thing Hypersensitivity- it reacts too much Immune suppression and immunodeficiency - does not react at all
List the names of the 5 storage pools that store neutrophils. Proliferation/ mitotic pool Storage pool Circulation pool Marginal pool Tissue pool
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