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Exam 2 > Red Blood Cells - Hematology > Flashcards

Red Blood Cells - Hematology Flashcards

1
Q

What are the 3 type of functions?

A

Transport, regulation and protection

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2
Q

What does blood transport?

A

Oxygen, CO2, wastes, and hormones

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3
Q

What does blood regulate?

A

Body temp, maintaining pH and maintaining blood volume

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4
Q

What does blood protect?

A

Clotting and immune (white blood cells)

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5
Q

What is blood’s characteristics?

A

Temperature, pH and plasma

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6
Q

What is blood’s temperature?

A

38 degrees celcius

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7
Q

Blood is composed of __ types of white blood cells

A

5

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7
Q

What is blood’s pH?

A

7.35-7.45

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8
Q

Plasma is composed of:

A

Electrolytes, mostly water, ion, organic molecules, respiratory gases

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8
Q

What is the average amount of blood an adult has?

A

5-6 L

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9
Q

Plasma is ___% water

A

90

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9
Q

Which protein is the most abundent?

A

Albumins

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10
Q

What are the organic molecules you need to know? (also what plasma consists of)

A

Proteins (albumins), glucose, lipids and amino acids

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11
Q

What does an erythrocyte do?

A

A red blood cell that carries oxygen from the lungs and deliver it throughout our body

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12
Q

Females have ____ million/mm3 erythrocytes

A

4.5

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13
Q

Males have ____ million/mm3 erythrocytes

A

5.5

14
Q

what does an erythrocyte look like?

A

Biconcave

15
Q

What is a hemoglobin?

A

A protein in red blood cells that carries oxygen from the lungs to the body’s tissues and organs, and carries carbon dioxide back to the lungs

16
Q

GLobin=

A

Protein

16
Q

Hem=

A

Blood

17
Q

A red blood cell is ___ um in width

A

7.5

18
Q

What does erythropoiesis mean?

A

Formation of red blood cells

19
Q

All cells come from:

A

Hemocytoblasts

19
Q

A red blood cell is ___ um in height

A

2.5

20
Q

One drop of blood = ____ million hemoglobin cells

A

250

21
Q

What is the 1st step in the cell process? (committed cell)

A

Proerythroblast

22
Q

What is the baby blood cell called?

A

Reticulocyte

23
Q

How long is the cell creation process?

A

15 days

24
Q

How long is the cell creation process if you’re anemic?

A

2-5 days

25
Q

What is erythropoietin?

A

A hormone secreted by the KIDNEYS that increases the rate of production of red blood cells in response to falling levels of oxygen in the tissues (hypoxia)

26
Q

What is hypoxia?

A

Decrease of oxygen in the tissue

27
Q

What is required for erythropoietin ?

A

Iron, B vitamins and intrinsic factors

27
Q

What are the 3 components of blood?

A

Plasma, buffy coat and erythrocytes

28
Q

What parts of iron store and transport?

A

Ferritin and transferrin

29
Q

How long does a red blood cell last?

A

120 days

30
Q

What is bilirubin?

A

A yellowish pigment that’s produced when the body breaks down old or damaged red blood cells

31
Q

Where do RBC die?

A

Spleen

32
Q

8 blood disorders:

A

Hemorrhagic, hemolytic, aplastic, nutritional, perniscious, thalassemia, sickle cell and blood doping

Exam 2 (11 decks)

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