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Histology > Blood > Flashcards

Blood Flashcards

1
Q

Blood is made of

A

Plasma
Red blood corpuscles
Platelets
White blood cells

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2
Q

Blood pH is …

A

7.35 to 7.45 slightly basic

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3
Q

Plasma
Plasma without proteins is..

A

55% of blood formed of proteins, water, salts, ions
Serum

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4
Q

The RBC’s

A

Red blood corpuscles 44%
Erythrocytes/ghost cells
Cytoplasm has haemoglobin
Lives for 4 months
Transfers gases bet, alveoli and tissues

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5
Q

RBC in men vs women
Haemoglobin in men vs women

A

Men 5-5.5 million/mm3
Women 4.5-5 million
Men 13.2-16.6 g/dl
Women 11.6-15

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6
Q

A test that measures the proportion of RBCs in blood
Low
High

A

Hematocrit test
Anemia
Polycythemia

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7
Q

Platelets

A

Cytoplasmic fragments of megakaryocytes
Biconvex, non nucleated
250thousand to 400thousand

Releases serotonin to stimulate vasoconstriction and lower blood loss

White thrombus to close injuries

Red thrombus(RBCs + fibrin network) to stop bleeding

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8
Q

White blood cells main classification

A

Granular: neutrophils- eosinophils-basophils

Non granular: b lymphocyte– t lymphocyte – monocyte

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9
Q

WBC’s
More
Low

A

Leukocytes 4000-11000
Leucocytosis (pregnancy - after meals- newly born- infection)
Leucopenia(radiation- antibiotic usage)

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10
Q

Neutrophil, 3-5 nucleus lobes. connected by
High
Low

A

Highly phagocytic cell
Less than 1 week
High= neutrophilia
Low=neutropenia, cortizon, radiation, antibiotics
Chromatin threads

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11
Q

PMNL, microphage

A

Polymorphnucleus
Neutrophil

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12
Q

Eosinophil , 2 dots loves acid

A

Antiparasitic+ antiallergic
Eosinophilia (parasite- allergy)
Eosinopenia (cortizon)

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13
Q

Basophil, 2 dots S

A

Large basophilic granules, similar to mast cell
Heparin and histamine
Basophilia (allergy)

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14
Q

Lymphocytes

A

B» days to years, bone marrow antibody humoral response
T» t helper/ t cytotoxic/ t suppressor cell mediated immune response thymus

Lymphocytosis (TB and syphilis)

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15
Q

Monocytes
Span
Movement
High

A

3 days in blood
Months in CT
Migrate by ameboid movement
Present in chronic infections
Monocytosis (TB AND SYPHILIS)

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16
Q

Monocyte vs macrophage

A

Blood , tissues

17
Q

Serum vs plasma

A

Serum is liquid after blood clot, clear liquid no proteins

Plasma is turbid liquid , blood plus anticoagulant like heparin

18
Q

The origin story

A

HSC»lymphoid (T and B cells)/ myloid(promegakaryocytes> megakaryocytes>platelets)(proerthrocytes > RBC) (promonocyte> monocyte> macrophage)( promyelocyte> granulated)

Histology (19 decks)

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