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RT 77 pathology > ch. 9 hemopoietic > Flashcards

ch. 9 hemopoietic Flashcards

1
Q

what does the hematopoietic system consists of

A
  1. blood
  2. lymphatic tissue
  3. Bone marrow
  4. Spleen
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2
Q

Circulating blood contains ____% of plasma and ___% of blood cells

A

55%- plasma

45%- blood cells

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3
Q

what are the 3 basic types of blood cells

A
  1. erythrocytes
  2. Leukocytes
  3. Thrombocytes
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4
Q

What is function of erythrocytes

A

aka RBC

Transfer oxygen and carbon dioxide to and from the organs of the body

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5
Q

____ Transfer oxygen and carbon dioxide to and from the organs of the body

A

erythrocytes

aka RBC

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6
Q

when a person has less than normal oxygen or carbon dioxide transfer in them they are said to be

A

anemic

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7
Q

what is the function of leukocytes

  • where are they formed
A

aka : WBC

play an important role in the body’s defense system

-formed in the bone marrow

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8
Q

____ play an important role in the body’s defense system

A

Leukocytes

aka WBC

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9
Q

What is the function of thrombocytes

A

aka Platelets

Necessary for blood to clot

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10
Q

____ are necessary for blood to clot

A

thrombocytes

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11
Q

Plasma is made up of 90% water and 10% protiens. What are the protiens

A
  1. Globulins
  2. Albumins
  3. Clotting factors
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12
Q

what is the function of globulins

A

fight infectious organisms

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13
Q

____ fight infectious organisms

A

Globulins ( 1 of 3 protiens in plasma)

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14
Q

What is the function of albumins

A

control the passage of water and solutes through capillaries (1 of 3 protiens in plasma)

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15
Q

____ control the passage of water and solutes through capillaries

A

albumins

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16
Q

what is the primary type of clotting factor

A

fibrinogen

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17
Q

Do RBC contain a nucleus

A

no

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18
Q

How long to RBC live for

A

120 days

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19
Q

define anemia

A

decrease in the amount of oxygen carrying hemoglobin in blood

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20
Q

A person who is pale, SOB, and has fatigue and muscle weakness might be indicative of

A

Anemia

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21
Q

what blood type is the universal donor

A

type O

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22
Q

What blood type is the universal recipient

A

Type AB

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23
Q

____ is the rejection of cells due to antigens

A

agglutination

24
Q

Define agglutination

A

rejection of cells due to antigens

25
Q

Leukocytes may be classified as
1.
2.

A
  1. granular

2. non-granular

26
Q

how long do thrombocytes live for

A

10 days

27
Q

____ is critical for preventing hemorrhage

A

thrombocytes

they are necessary to clot blood in seconds

28
Q

____ are the most important cells in the development of immunity

A

lymphocytes

29
Q

____ are derrived from the lymphatic tussue

A

T-lymphocytes

30
Q

___ are derrived from the bone marrow

A

B-lymphocytes

31
Q

Total body dose of ____ causes a detectable change in the blood cells- harmful effect on blood marrow and lymphoid tissue

A

50-75 rad

32
Q

what is the purpose of lymphocytes

A

both T and B lymphocytes work together to ingest foreign substances and process antigens for these substances

33
Q

____ is the largest lymphoid organ

  • Function
A

spleen
Function :
*Produces lymphocytes and plasma
*reserves blood

34
Q

____ produces lymphocytes and plasma cells, and cleanses blood

A

spleen

35
Q

____ modality is a great value in assessment of lymph node enlargment

A

CT

36
Q

___ modality is useful in bone marrow imaging

A

MRI

37
Q

What is the single most important factor in infection control

A

handwashing

38
Q

neoplastic disease in plasma cells

A

multiple myeloma

Neoplastic
Subtractive

Bone survey

39
Q

what is multiple myeloma

Classification
Pathology

exam to diagnose

A

neoplastic disease of plasma cells

neoplastic
Subtractive

radiography- skeletal survey

40
Q

skeletal survey can be used for which neoplastic disease of the hematopoietic system

A

multiple myeloma

41
Q

____ is helpful in identifying lymphatic changes in the mediastinum often associated with lymphoma

A

chest x-ray

42
Q

what does AIDS stand for and what is it

Exam to diagnose

A

Acquired Immune Deficiency syndrome
CT/MRI
Stage of HIV

43
Q

what is the modality of choice for hodgkins lymphoma

A

PET CT

44
Q

____ is the most common lung infection associated with AIDS

A

TB

tubercuolosis

45
Q

what is the most commin malignancy in AIDS patients

Classification
Pathology
Exam to diagnose

A

Kaposi’s sarcoma

Additive 
Neoplastic
chest xray and Ct
radiographic sign
- nodular pulmonary infiltrates , hilar adenopathy
46
Q

what is Kaposi’s sarcoma

A

most common malignancy in AIDS patients

47
Q

group of hereditary autosomal recessive disorders resulting from an abnormal type of hemoglobin with the RBC, prohibits normal movement of blood flow

A

Sickel Cell Disease

48
Q

inherited hemorrhagic diseases that involve a congenital deficiency of three plasma clotting factors

A

hemophelia

x-ray does not play a role in this disease

49
Q

Neoplastic disease of leukocytes that results in overproduction of WBC

Classification
Exam to diagnose

A

leukemia

Neoplastic
Blood test

x-ray does not play a role in dx

50
Q

leukemias account for aprox. ___ % of all cancers deaths in children under 15 years old

A

33%

51
Q

what is the most common type of lymphoma

A

non Hodgkin’s Lymphoma

Malignancy of lymph cells of the spleen , GI stsyem

CT

52
Q

Malignancy of lymphoid cells in the lymph node, bone marrow, spleen, liver and GI system

Exam to diagnose

A

Non-hodgkin’s lymphoma

Ct

53
Q

what is the difference between NHL and

Hodgkin’s lymphoma

A

NHL is a malignancy of the lymphoid cells in the lymph node, bone marrow, spleen and GI system

vs

Hodgkin lymphoma is a neoplastic disease that affects lymphoid tissue

54
Q

in this exam, blue dye is injected between the toes into the webbing

A

lymphangiogram

55
Q

what is the difference between CT and MRI

A

CT can image bone, soft tissue and blood vessels all at the same time (5 minutes)

MRI has a much higher soft tissue detail when compared to CT but is done in 30 minutes

RT 77 pathology (13 decks)

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