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Clin Lab Med > Exam 1: CBC > Flashcards

Exam 1: CBC Flashcards

1
Q

What can cause an elevated H/H?

A

Dehydration, COPD, polycythemia, and high altitude

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2
Q

What is it called when there is variation in size of RBCs?

A

Anisocytosis

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3
Q

What are some of the causes of leukocytosis?

A

Bacterial infection, inflammation, neoplasm, leukemoid response, and steroid use

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4
Q

What are some of the causes of leukopenia?

A

Viral infection, overwhelming bacterial infection, bone marrow failure, drug toxicity, and autoimmune disease

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5
Q

What does it mean when there is leukocytosis with a left shift?

A

Increased WBCs due to an increase in neutrophils and bands

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6
Q

What are the 5 kinds of WBCs?

A

Neutrophils, lymphocytes, monocytes, eosinophils, and basophils

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7
Q

What are the 3 kinds of granulocytes?

A

Neutrophils, eosinophils, and basophils

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8
Q

What is the most common PMN?

A

Neutrophils

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9
Q

What WBC is involved in allergic reactions and parasite infections?

A

Eosinophils

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10
Q

What WBC is involved in allergic reactions?

A

Basophils

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11
Q

What can cause neutrophilia?

A

Bacterial infections, inflammation, medications, stress, and trauma

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12
Q

What can cause neutropenia?

A

Medications (CHEMO), viral infections, aplastic anemia, overwhelming bacterial infection, radiation

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13
Q

What can cause eosinophilia?

A

Valley fever, leukemia, allergic reactions, autoimmune diseases, parasites, medications

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14
Q

What can cause eosinopenia?

A

Corticosteroids and acute inflammation or stress

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15
Q

How do eosinophils respond to bacterial or viral infections?

A

They dont

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16
Q

What can cause basophilia?

A

Myeloproliferative disease and leukemia

17
Q

What can cause basopenia?

A

Acute allergic reactions and stress reactions

18
Q

What are the two types of agranulocytes?

A

Lymphocytes and monocytes

19
Q

What are the two types of lymphocytes and what do they do?

A

B and T cells, they fight acute viral infections

20
Q

What type of WBC is a phagocytic cell capable of fighting bacteria?

A

Monocytes

21
Q

What can cause lymphocytosis?

A

Viral infections (mono and hepatitis) and lymphocytic leukemia

22
Q

What can cause lymphocytopenia?

A

Infections, corticosteroids, immunodeficiency, lymphoma, chemo, and radiation

23
Q

What can cause monocytosis?

A

Chronic inflammatory disease, viral infections, parasites (malaria) and TB

24
Q

What can cause monocytopenia?

A

Corticosteroid therapy

25
Q

What do platelets do?

A

They initiate the coagulation cascade and are integral to hemostasis

26
Q

What is polycythemia Vera?

A

A chronic myeloproliferative neoplasm characterized by colonial proliferation of myeloid cells and an elevated RBC mass

Clin Lab Med (8 decks)

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