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252 Final > Chapter 55 > Flashcards

Chapter 55 Flashcards

1
Q

What is hematopoiesis

A

Formation of new blood cells

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2
Q

How many hours does it take for a RBC to be functional

A

36 hours

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3
Q

What are immature RBC called

A

Reticulocytes

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4
Q

How long do RBC live

A

120 days

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5
Q

Why do iron deficiency cause anemia

A

Iron is needed for hemoglobin to form

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6
Q

Intrinsic causes of anemia

A

Sickle cell
Hereditary
G6PD deficiency

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7
Q

Extrinsic causes of anemia

A

Drug induced
Septic shock
Mechanical force

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8
Q

What med requires iron and functioning bone marrow to produce RBC

A

Epoetin Alfa

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9
Q

Which anemia drug is often misused by athletes to increase oxygen carrying capacity

A

Darbepoetin

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10
Q

Why can too much hemoglobin in blood cause stroke

A

Makes blood thicker

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11
Q

When should darbepoetin not be given

A

Hemoglobin level above 100 for cancer patients
Hemoglobin level above 130 for kidney disease

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12
Q

What foods contain iron

A

Beans
Fruits
Eggs
Meats
Vegetables
Grains

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13
Q

What helps iron absorption

A

Orange juice

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14
Q

What makes iron supplements ineffective

A

Eggs corn beans cereal

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15
Q

Iron impairs the absorption of

A

Antibiotics

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16
Q

What impairs iron absorption

A

Milk calcium antacids

17
Q

Which iron supplement has highest iron content

A

Ferrous fumarate

18
Q

Patients most commonly have anaphylactic reaction to which iron supplement

A

Iron dextran

19
Q

If allergic to ferric gluconate give the patient

A

Iron sucrose

20
Q

Iron dextran requires what before administration

A

Test dose

21
Q

Why are iron supplements given

A

To treat iron deficiency anemia. Only temporary fix, underlying cause needs to be treated.

22
Q

How can patients prevent teeth discoloration from iron supplement

A

Drink through straw

23
Q

What will stool look like when taking iron supplement

A

Black, tarry

24
Q

What drug treats iron toxicity

A

Deferoxamine mesylate

25
Q

The patient should remain in what position 30 mins after IV iron

A

Recumbent

26
Q

The patient should remain in what position 30 mins after oral iron admin

A

Upright

27
Q

When should pregnant women start taking folic acid

A

1 month before or as soon as pregnancy discovered

28
Q

What happens if folic acid not taken during pregnancy

A

Spina bifida, missing parts of brain or skull, sac protruding from brain or skull

29
Q

What foods contain folic acid

A

Beans
Peas
Oranges
Green vegetables

30
Q

What is folic acid given for

A

Folic acid deficiency

31
Q

Why should folic acid not be given until actual cause of anemia is discovered

A

Can mimic pernicious anemia

32
Q

What is cyanocobalamin B12 used to treat

A

Pernicious anemia

33
Q

Iron dextran is contraindicated in all anemias except

A

Iron deficiency

252 Final (12 decks)

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