Module 5 Flashcards

(48 cards)

1
Q

An RBC abnormality wherein the RBC is described as having a finger-like or quartz like crystal of dense hemoglobin protruding from the RBC membrane

A

Hemoglobin SC Crystal

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2
Q

These are RBC inclusions primarily composed of iron which appear as an irregular cluster of small, light to dark blue granules, often near the periphery of the cells when using a wrights stain smear

A

Appenheimer bodies

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3
Q

Hexagonal crystals of dense hemoglobin formed within RBC membrane

A

Hemoglobin C crystal

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4
Q

RBC inclusions primarily composed of precipitated RNA which appear as dark blue purple fine or coarse punctate granules distributed throughout cytoplasm when using a supravital stain

A

Basophilic stippling

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5
Q

During RBC destruction via extravascular hemolysis, hemoglobin from the RBC will be degraded into heme ang globin portion, it removes the iron from heme

A

Heme oxygenase

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6
Q

During extravascular catabolism of RBC, iron removed from the heme group of hemoglobin will be transported to bone marrow for recycling to be used by developing RBC by

A

Transferrin

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7
Q

During intravascular catabolism of RBC, unbound hemoglobin that were not reabsorbed in the tubular cells will

A

Not be excreted in the urine and converted to oxidizied methemoglobin

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8
Q

Intravascular catabolism of RBC, the heme group from methemoglobin will be released in the circulation and be taken up by the transport protein known as

A

Hemopoxin

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9
Q

Intravascular catabolism of RBC, an excess heme group not eliminated by LRP- CD91 will combine to — forming —- until hemopexin is available for binding

A

Albumin and methealbumin

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10
Q

In oxygen - hemoglobin dissociation curve, when there is a decreased concentration of carbon monoxide, there is also a decrease in 2-3 DPG, leading to

A

Increase in Oxygen Affinity

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11
Q

During intravascular catabolism of RBC, hemoglobin released from RBC will be transported to liver for catabolism by

A

Haptoglobin

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12
Q

During RBC destruction via extravascular hemolysis, hemoglobin from RBC will be degraded into heme and globin portion, the protoporphyrim ring from the heme portion will be open forming the

A

Intermediate Biliverdin

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13
Q

During RBC destruction via extravascular hemolysis, hemoglobin from RBC will be degraded into heme and globin portion, the intermediate biliverdin from protoporphyrin ring of the heme portion will be converted to unconjugated bilirubin by

A

Biliverdin Reductase

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14
Q

These are RBCs with a single pointed extension resembling a teardrop or pear

A

Dacrocyte

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15
Q

Unconjugated bilirubin from thr portal circulation will be transported by albumin going to the liver and be converted into conjugates bilirubin by

A

Uridine Diphosphate Glucoronyl Transferase

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16
Q

Fragmented RBCs caused by the rupture in the peripheral circulation

A

Schistocyte

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17
Q

Metabolic shunt generates 2,3 BPG/ 2,3 DPG

A

Rapoport Luebering Pathway

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18
Q

Hemoglobin iron may become oxidized to Fe by several pathologic mechanisms. What portion of the Embden - Meyerhof pathway reduces iron to fe

A

Methemoglobin Reductase Pathway

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19
Q

What hexose monophosphate shunt products participate in the detoxification of peroxides

A

NADPH & Reduced Glutathione

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20
Q

Pathway aerobically generates energy in the form of ATP

A

Embden Meyerhof Pathway

21
Q

Well defined hof and a cart wheel like pattern of chromatin are characteristics of

22
Q

Auer rods may be seen in

A

Acute Promyelocyctic Leukemia and Acute Myelomonocyctic Leukemia

23
Q

Hereditary autosomal dominant condition involves failure of the normal segmentation of the granulocyte nuclei

24
Q

Found in the primary granules of neutrophils

A

Myeloperoxidase

25
Charcot leyden crystals in secretions can be seen when there is an increase in
Eosinophil
26
Likely associated with glucocerebroside deficiency
Gauchers disease
27
Neutrophol metamyelocyte may be best distinguished from neutrophil bands by which criteria
Shape of nucleus
28
Band cells are
Sausage shaped nucleus
29
Lipidoses like Gauchers disease involve the
Monocyte
30
Not a component of Basophil granules
Histaminase
31
Associated with chediak higashi syndrome except
Inclusions are made of ribosomes
32
How many percent of neutrophils in the marginating pool
50%
33
Alder reilly anonaly is an abnormality of
Mucopolysaccharide metabolism
34
Plasma cell with red to pink cytoplasm is known as
Flame cell
35
These cells lack the characteristics of mature T and B cells. They participate in antibody dependent cell mediated cytolysis
Null cell
36
Foam cell is seen in
Niemann pick disease
37
Variant lf lymphocyte is seen with the fried egg appearance
Type II
38
Life span of basophils in the blood
60 hrs
39
Major cytokine responsible for mast cell maturation
Kit Ligand
40
CD T Cells are also known as cytotoxic T cells, they recognize anyigen presented along with MHC class II molecules
First is true second isfalse
41
Responsible for maturation of T lymphocytes and regulatoon of their expression of CD 4 and CD8
Thymus
42
Morphologic changes occur during normal blood cell maturation
Condensation of nuclear chromatin
43
Product of common lymphoid progenitor cell
B & T lymphocytes
44
Bone resorbing cells
Osteoclasts
45
Hematopoietic stem cells produce all lineages of blood cells in sufficient quantities over the lifetime of an individual due to
Are present in large numbers in the bone marrow niches
46
Organs in hematopoiesis
Liver, spleen, thymus, bone marrow
47
Thrombopoietin is referred as
MPL Ligand
48
Primary source of IL 2 are
CD4+ T cells, Natural Killer Cells and B cells