Blood And Immun Flashcards

0
Q

What does a myelin last turn into?

A

Progranulocyte. (Basophils neutrophils and eosinophils)

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1
Q

What become progenitor cells?

A

Pluripotent hematopoietic stem cells

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2
Q

How much hemoglobin does a reticulocyte contain?

A

80% mature RBC

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3
Q

Requirements for RBC production

A

EPO, thyroid, bone marrow, b12 b6 protein copper and folate

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4
Q

Reticulocyte a

A

Enter through sinusoids and have nuclei

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5
Q

Macrocytic anemia

A

B12 and Folic Acid deficiency (DNA)

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6
Q

Megaloblastic anemiA

A

Low hb/hct

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7
Q

Hematocrit HCT

A

40-48% males 35-44% females

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8
Q

Hemoglobin hb

A

1/3 hematocrit value

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9
Q

Epo is regulated by

A

Tissue oxygenation

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10
Q

How long for epo to increase rate of RBC production?

A

2-3 days

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11
Q

Factors that increase RBC synthesis

A
Anemia
High altitudes
Impaired cardiac
Impaired pulmonary
Pregnancy
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12
Q

Iron stores in body

A

2/3 hemoglobin 1/3 in ferritin (marrow, spleen, liver, muscle)

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13
Q

Sickle cell

A

Hemoglobin s (abnormal b chains) crystallize in low O2. Suckling occurs

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14
Q

Decreased RBC synthesis

A

Iron deficiency
B12 deficiency
Folic Acid def

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15
Q

High rate of RBC destruction

A

Hemolytic anemia

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16
Q

Granulocytea

A

Neutrophils 50-70% WBC, eosinophils 1-4%, basophils .4%

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17
Q

Agranulocytes

A

Lymphocytes 20-40% monocytes 2-8%

18
Q

WBC production

A

Bone mRrow. Thymus for kids only.

19
Q

Hematopoiesis

A

Flat bones in adults. Ends of long bones ex femur and tibia for kids.

20
Q

Lymphocytes

A

B abd T cells

21
Q

Myeloid stem cells

A

Leukocytes, erythrocytes, and platelets

22
Q

Leukemia

A

> 5% blasts in BM (should be myeloid cell line)

23
Q

Where do granulocytes mature?

A

BM

24
Q

Band ces

A

Immature granulocytes (horseshoe)

25
Q

Monocytes mature?

A

In blood. Becomes macrophages in tissues. Up to 1 day in blood. Months to yrs is tissue.

26
Q

Lymphocytes that mature on bone marrow

A

B cells or NK cells

27
Q

What are immunoglobulins made by?

A

Lymphocytes

28
Q

Granulocytes

A

4-8 hrs blood 4-5 days tissue

29
Q

Colony stimulating factors

A

Regulates everything but lymphocytes (stim bone marrow)

30
Q

Neupogen

A

G-CSF

31
Q

Leukopenia

A

Bone marrow stops making WBC. Leukemia, radiation, meds.

32
Q

Leukemia

A

Uncontrolled WBC production non functional

33
Q

Lymph igneous

A

Cancerous production of lymphoids

34
Q

Myelogenous

A

Cancerous production of myeloid cells (can spread)

35
Q

Hemolytic disease in newborn

A

Mothers IgG (plasma B cells) crosses placenta & destroy fetal blood cells. Abo mild. Rh deadly.

36
Q

What produces heparin?

A

Mast cells, basophils. Anti thrombin III action

37
Q

Hemophilia A

A

Deficiency in clotting factor VIII. Males effected.

38
Q

T-pa

A

Fibrolytic in endothelial cells. Plasminogen to plasmin. Plasmin enzyme dissolves clot.

39
Q

Warfarin

A

Interferes w bit K dependent syn of CFs

40
Q

Aspirin MOA

A

Blocks Thromboxane A2 production

41
Q

Protein C deficiency

A

DVT risk. Protein C is activated by thrombin.

42
Q

Vitamin K dependent CFs

A

II
VII
IX
X