Chapter 13 - Disorders Of RBC's Flashcards

1
Q

Hemoglobin does what?

A

Carries Oxygen!

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2
Q

Almost _____% of iron is bound to heme in hemoglobin

A

80%

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3
Q

Iron is stored as _________ in the _________

A

Ferritin

Liver

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4
Q

What is ferritin?

A

Protein-iron complex

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5
Q

What is Spleen also known as and why?

A

“Garbage can”

- it desposes of everything

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6
Q

What is Erythropoiesis?

A

The production of RBC’s

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7
Q

What bones are used for RBC production?

A

Bone Marrow

  • after age of 20yrs old
    - vertebrae, sternum, rubs, & pelvis
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8
Q

What is Erythropoietin?

A

Important hormone

  • 90% of this hormone is produced by the kidneys
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9
Q

________________ is necessary for stimulation of bone marrow?

A

Erythropoietin

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10
Q

Most of the heme unit is converted into _____________?

A

Bilirubin

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11
Q

Unconjugated bilirubin happens when what?

A

When there is an excessive amount of RBC destruction, leading to jaundice

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12
Q

Bilirubin is stored where?

A

In the Liver

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13
Q

Random

Unconjucated bilirubin Jaundice

A

🤓

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14
Q

What is Anemia?

A

Low red blood cells

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15
Q

Example of rapid blood loss?

A

Stabbing

The circulatory system shuts down

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16
Q

Example of slow blood loss?

A

GI bleed
Menstraul period

  • the body may loose 50% before signs and symptoms show up
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17
Q

What is Hemolysis?

A

Break down of blood

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18
Q

What is Sickle Cell Disease?

A

Mutation in beta chains of hemoglobin

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19
Q

Sickle cell disease causes a lot of what?

A

A lot of occlusion

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20
Q

What things does sickle cell disease lead to?

A
  • Chronic hemolytic anemia
  • Pain- can’t pass through as easily causing pain
  • Organ failure
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21
Q

Individuals with a Sickle Cell Disease are at high risk for what?

A

Multi system organ failure

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22
Q

What is Acidosis?

A

Body has to many H ions

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23
Q

When are blood transfusions typically administered?

A

When RBC’s count falls below 7 (<7)

24
Q

What is the typical order of interventions in the hospital for a sickle cell crisis?

A
  1. Always fluids!
  2. Pain management ( pain WON’T kill)

** Physiological first
Pain second

25
When the spleen gets full, the __________ takes over?
Liver
26
What is Iron overload?
Excess iron in the system can cause damage to the body
27
What happens when we destroy RBC’s?
We save the iron
28
What is Beta Thalassemia?
Mutation on the B-globin gene causing the DESTRUCTION OF RBC’S
29
What is a major complication of Beta Thalassemia?
Coagulation issues (platelets)
30
Beta Thalassemia DOES NOT have a problem with what?
RBC production (RBC production is fine!!$
31
What is the main Management plan for individuals with Beta Thalassemia?
Regular blood transfusions to maintain hemoglobin
32
Beta Thalassemia Fact - There is no drug to help them (RBC’s) not get destroyed. THUS, why they need regular blood transfusions
💉💉
33
What is the most common anemia’s for all age groups?
Iron deficiency anemia’s
34
Iron deficiency anemia’s are characterized by what?
- Low hemoglobin and hematocrit - decreases MCHC and MCV - Decreased iron stores - Low serum iron and ferritin levels
35
Reasons for iron deficiency anemia’s
- Dietary deficiencies - Loss of iron through bleeding - Increased body demands
36
In terms of Blood transfusions, each unit of RBC’s will increase the hemoglobin by ___________.
1gm/dL
37
What is Megaloblastic Anemia’s?
Vitamin B-12 Deficiency Anemia
38
What is the treatment for Megaloblastic Anemia’s?
Vitamin B-12 injections for life
39
Why do Individuals with Megaloblastic anemia’s need B-12 injections for life as opposed to a B-12 pill?
Because the B-12 can not be absorbed
40
What is the main problem associated with Megaloblastic anemia’s?
The inability to absorb B-12 due to the stomach not producing sufficient intrinsic factors ( it goes right through a persons system)
41
What are 2 different kinds of Megaloblastic Anemia’s?
- Vitamin B-12 Deficiency Anemia | - Folic acid deficiency anemia
42
Where is folic acid found?
- Vegetables (green leafy) - fruits - cereals - meats
43
What is folic acid required for?
DNA synthesis | Red cell maturation
44
In regard to to eating and folic acid, what is important?
Need to eat more raw vegetables. Much of the vitamin is lost with cooking
45
What is the treatment for someone with folic acid deficiency?
Give - dietary supplement - folic acid
46
What is Aplastic Anemia?
Disorder of pluripotential bone marrow stem cells
47
The onset of aplastic anemia is _____________ and can be _________ and ___________ when it presents
Slow | Sudden & severe
48
What is petechiae?
Purple spots on the skin
49
What are the manifestations of Aplastic Anemia?
- Weakness (1) - Fatigue (2) - Pallor (3) - Petechiae (4) - Ecchymosis (5) - Hemorrhage from the GI tract and mucous membranes (6) - increased susceptibility to infection (7) 1,2,3 all due to RBC’s 4,5,6 all due to platelets 7 due to WBC’s
50
What is Venous stasis?
Blood stays put and causes blood clots
51
What does MCV stand for?
Mean corpuscular volume
52
What does MCH stand for?
Mean corpuscular hemoglobin
53
What does MCHC mean?
Mean corpuscular hemoglobin concentration
54
____________ patients do not produce RBC’s as quickly as ____________ individuals do
Elderly | Younger
55
Anemia is common in the ____________ due to the decline of hemoglobin levels after the age of ______
Elderly | 60
56
What complication would you monitor for in an individual diagnosed with aplastic anemia?
Bleeding tendencies Because: they have low platelets