Blood Flashcards

1
Q

What is a rouleuax formation

A

Long line of RBCs stacked

At least 1 association is multiple myeloma

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2
Q

Beta Thal Major labs

A

NO Hb A

↑ Hb A2 (a2d2) and Hb F (a2g2)

b/c there are no beta chains to make HbA

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3
Q

What are the features of hairy cell leukemia

A

massive spleen
“dry tap” of bone marrow
lymph with cytoplasmic projections

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4
Q

Does AML cause hepatosplenomegaly

A

not usually

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5
Q

vWF deficiency labs

A

↑ Bleeding time (plt adhesion problem )

↑ PTT (Factor 8 needs vWF)

Autosomal Dom Inheritance
Most common inherited bleeding disorder

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6
Q

This is an x linked deficiency in factor VIII

A

Hemophilia A

↑ PTT
Normal Bleeding time

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7
Q

This is an X linked deficiency in IX

A

Hemophilia B

↑ PTT
Normal Bleeding Time

cannot convert prothrombin to thrombin
Giving thrombin will help

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8
Q

What is Raltegravir

A

HIV drug
Integrase inhibitor
Disrupts hiv from integrating into host cell chromosome

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9
Q

What stain is used in AML

A

Myeloperoxidase

Auerrods seen in abundance

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10
Q

What is terminal deoxynucleotide transferase

A

it adds nucleotides in V D J antibody genes

Markes immaute B and T cells
Ex: ALL

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11
Q

How do you help a hemophiliac clot

A

ultimitly, the problem is that they are not making thromin from prothrombin

SO, give thrombin –> clot =)

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12
Q

What must you always rule out in cases of Iron deficiency

A

THE CAUSE

Look for bleeding first (since its emergenct)\

Plummer vinson can do this too
Chronic disease, etc

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13
Q

What does an RB protein do

A

When it is hyperphosphorylated, it is OFF

When it is OFF, G1–> S phase

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14
Q

What does C-Myc do

A

transcription activator

On too much in burkit

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15
Q

What does BCL2 do

A

It STOPS apoptosis

Too much BCL2 in folicular lymphoma

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16
Q

What is wrong in Mantle Cell lymphoma

A

↑ Cyclin D

G1–> S

17
Q

What does Interferon A do

A

made by leauks

Anti-viral and anti-tumor

18
Q

What does transforming growth factor beta do

A

inhibits inflammatory response

Decreases T cells

19
Q

What mediates cachexia

A

TNF a

Suppresses appetite

20
Q

What does ristocetin do

A

Activates vWF to bind GpIb

If ritocetin is added and nothing happens/ no aglutination–> van Willebrand or Bernard Soulier syndrome

21
Q

What helps differentiate osteoclasts

A

Mac Stimulating factor and NF kappa B ligand (RANK) play an important role in differentiating osteoclasts