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Biomed > Hematology > Flashcards

Hematology Flashcards

WBC's, RBC's, hematocrits, hemoglobin, BUN, BMP

1
Q

Blood’s composed of

A

Leukocytes, Thrombocytes, Erythrocytes, plasma

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2
Q

What’s the main function of WBC’s

A

They act as an immune response

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3
Q

What’s the main function of RBC’s

A

Carries oxygen and iron in the bloodstream

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4
Q

What’s the main function of thrombocytes

A

It clots blood when there is lacerations

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5
Q

What’s the main function of plasma

A

It’s a liquid carrying around all other blood components

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6
Q

Name the vein mainly used for drawing blood

A

Median Cubital vein

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7
Q

Why are veins used for drawing blood rather than arteries?

A

Because veins carry blood to the extremities and has no pulse

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8
Q

Complete Blood Count

A

Test done to examine the number of cells circulating in the blood, can help evaluated health level and if any diseases are present

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9
Q

What’s being measured in a CBC for WBC’s

A

The 5 kinds of nucleated cells that fight infection

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10
Q

Possible meaning for a low WBC count

A

Commonly a viral infection preventing bone marrow from making WBC

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11
Q

Possible meaning for a high WBC count

A

The body is trying to fight off infection, or could be a reaction from certain drugs taken

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12
Q

What’s being measured in a CBC for RBC’s

A

The cells transporting oxygen

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13
Q

A possible meaning for low RBC count

A

Anemia, chemotherapies, certain drugs

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14
Q

A possible meaning for high RBC count

A

Heart or respiratory conditions resulting in limited oxygen supply, therefore increasing the RBC count for more O2

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15
Q

What’s a being measured in a CBC for hemoglobin

A

Oxygen carrying protein in RBC’s

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16
Q

A possible meaning for low hemoglobin

A

Iron deficiency, anemia

17
Q

A possible meaning for high hemoglobin

A

Body needs a larger oxygen supply, smoking could trigger this

18
Q

What’s being measured in a CBC for hematocrits

A

The proportion between RBC’s to plasma

19
Q

A possible meaning for high hematocrits

A

Dehydration, due to large production of RBC’s being created

20
Q

What’s being measured in a CBC for platelets

A

Bits of cells helping in clotting

21
Q

A possible meaning for low platelet count

A

Thrombocytopenia - Low platelet count

22
Q

A possible meaning for high platelet count

A

Thrombocytosis - Result from previous condition/infection

23
Q

Cholesterol

A

Waxy substance produced by liver, key component in cell membrane structure, makes hormone and vitamins

24
Q

LDL

A

“bad” Lipoprotein that transports cholesterol to cells

25
Q

HDL

A

“good” Lipoprotein that removes extra cholesterol in bloodstream to liver

26
Q

What kinds of fats increase HDL?

A

Unsaturated fats - OILS

27
Q

What kinds of fats increase LDL?

A

Saturated fats - Lard, butter, cheeses

28
Q

Atherosclerosis

A

Buildup of cholesterol plaque on artery walls

29
Q

What’s the normal LDL range?

A

100 mg/dL

30
Q

Basic Metabolic Panel

A

Blood test that measures glucose levels, kidney functions, fluid balance and electrolytes

31
Q

Abnormal BMP indicates

A

Diabetes, kidney failure, hormone issues

32
Q

Glucose

A

Sugar used for energy. High glucose’s found in diabetes

33
Q

Electrolytes

A

Minerals found in blood, urine. Keeps water balance, moves nutrients to cells, makes sure nervous system works

34
Q

Blood Urea Nitrogen

A

Measures amount of urea’s in a sample of blood, measures how well the kidney’s are working

35
Q

What’s Urea?

A

Natural waste product produced to break down proteins and is filtered out by the kidneys

36
Q

Abnormal BUN levels show

A

Signs of kidney injury, low blood flow from dehydration and some meds cause high BUN levels

Biomed (5 decks)

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