disorders of the blood Flashcards

1
Q

what are the functions of the blood?

A

transport of nutrients
removal of waste
transport host defences

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2
Q

what is the function of RBC’s?

A

carry O2

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3
Q

what is the function of WBC’s?

A

body defences and repair

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4
Q

what is the function of plasma?

A

transports nutrients and medicine

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5
Q

what are the constituents of the blood?

A
cell component
plasma proteins
-albumin
-globulin
lipids
nutrients
water
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6
Q

what does FBC mean?

A

full blood count

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7
Q

what does WCC mean?

A

white cell count

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8
Q

what does PLT mean?

A

platelets

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9
Q

what does HCT mean?

A

haematocrit

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10
Q

what does MCV mean?

A

mean cell volume

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11
Q

what is anaemia?

A

low Hb

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12
Q

what is leukopenia?

A

low WCC

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13
Q

what is thrombocytopenia

A

low platelets

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14
Q

what is pancytopenia?

A

all cells reduced

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15
Q

what does multiple blood changes mean?

A

bone marrow failure

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16
Q

what is polycythaemia mean?

A

raised hb

17
Q

what does leukocytosis mean?

A

raised WCC

18
Q

what does throbocythaemia mean?

A

raised platelets

19
Q

what does more than one of polycythaemia, leukocytosis, and throbocythaemia mean?

A

pre-neoplastic

20
Q

what is leukaemia?

A

neoplastic proliferation of white cells

usually disseminated

21
Q

what is lymphoma?

A

neoplastic proliferation of white cells

usually a solid tumour

22
Q

what is porphyria?

A

abnormality of haem metabolism

23
Q

what are the clinical effects of porphyria?

A
photosensitive rash
neuropsychiatric disturbance in acute attacks
-motor & sensory changes, seizures
-autonomic disturbances
hypertension & tachycardia