Hematology 🩸 Flashcards

1
Q

Screen for anemia in preterm child at age
A. 3 months
B. 6 months
C. 12 months
D. 18 months

A

C. 12 months

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2
Q

Age of physiologic anemia […]

A

3 months (8-12 weeks)
Preterm decline extreme & rapid » 3-6 wk

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3
Q

3 months old, low Hb, High MCV
+ café au lait spots + microcephaly
A. Physiologic anemia of infancy
B. IDA
C. Fanconi anemia
D. Transient erythrocytpemia of childhood

A

C. Fanconi anemia

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4
Q

10 months old with anemia, found to have triphalangeal thumb

A

Diamond blackfan anemia

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5
Q

3 mo baby have pallor, recently came from india. He is on breastfeeding
CBC- microcytic anemia 🔻MCV 🔻MCH
A. IDA
B. Thalassemia trait
C. Sickle cell
D. G6PD

A

B. Thalassemia trait
Age (3mo) doesn’t go with IDA

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6
Q

[…] decrease incidence of acute chest syndrome, strike & VOC in SCD
By 🔺 HbF and 🔻HbS

A

Hydroxyurea

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7
Q

[…] disease associated with hyposplenism

A

SCD

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8
Q

Which of the following suggestive of thalassemia rather than IDA?
A. Microcytic anemia
B. High RDW
C. Low serum iron
D. Low TIBC
E. Increase HbA2

A

E. Increase HbA2

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9
Q

Hydrops fetalis associated with […]

A

alpha thalassemia

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10
Q

Which disease can be cured by splenectomy?
A. Sickle cell
B. Thalassemia
C. Spherocytosis
D. G6PD

A

C. Spherocytosis

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11
Q

Child present with pallor & jaundice. His father & grandfa are both known to have chronic hemolysis and underwent gall bladder removal
Best test for diagnosis:
A. Hb electrophoresis
B. Sickle cell test
C. Coombs test
D. Osmotic fragility test

A

D. Osmotic fragility test

Autosomal dominant pattern = Spherocytosis
Gold standard Dx: EMA test
Tx: splenectomy (curative)

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12
Q

12 hrs baby boy found to have jaundice that increased at 36 hrs. Next step:
A. Osmotic fragility test
B. G6PD
C. Electrophoresis
D. Sickle test

A

A. Osmotic fragility test

Hemolytic disease that cause neonatal jaundice:
☑️G6PD
☑️Spherocytosis
☑️Pyruvate kinase deficiency

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13
Q

Avoid in G6PD:
A. Aspirin
B. Paracetamol
C. Allopurinol
D. Ibuprofen

A

A. Aspirin

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14
Q

Avoid in Familial mediterranean fever:
A. Macrolide
B. Amoxicillin
C. Aspirin
D. Cefuroxime

A

A. Macrolide
🚫Statin
🚫Verapamil
» interfere with cytochrome metabolize colchicine (DOC)

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15
Q

Coagulation profile

A

Bleeding time » platelet
PT » extrinsic pathway
PTT » intrinsic pathway

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16
Q

Prolonged PTT

A

APS
Hemophilia
Heparin

17
Q

Prolonged PT

A

Liver disease
Factor 7 deficiency
Warfarin

18
Q

Prolonged PT & PTT

A

Liver disease
Vit K deficiency
Factor 1,2,5,10 deficiency (common pathway)

19
Q

Coagulopathies
🔹vWD
🔹Hemophilia
🔹Vit K deficiency
🔹DIC
🔹ITP

A

🔹vWD : 🔺BT & PTT
🔹Hemophilia : 🔺PTT
🔹Vit K deficiency : 🔺 PT
🔹DIC : 🔺BT 🔺PTT 🔺PT
🔹ITP : thrombocytopenia

20
Q

Baby delivered at home and present to ER with hematemesis
Which factor might be deficient?
A. 11
B. 8
C. 12
D. 10

A

D. 10
Newborn = vitamin K ‼️
2, 7, 9, 10

21
Q

Baby delivered, after cutting the umbilical cord he bled profusely
Which factor affected?
A. 1
B. 10
C. 12
D. 13

A

13
Factor 13 deficiency = heavy bleeding from umbilical cord

22
Q

Recurrent epistaxis, PTT prolonged

A

Hemophilia

23
Q

Recurrent epistaxis, PTT & BT prolonged

24
Q

Tumor lysis syndrome electrolyte abnormality:

A

🔺Hyperuricemia
🔺K
🔺PO4
🔻Ca

25
Child with arthritis, fever, epistaxis, gingival bleeding, lab: 🔻plt 🔻Hb What investigation you need to order? A. Bone marrow aspiration B. Electrophoresis C. Anti ds-DNA D. ANA
**A. Bone marrow aspiration** “Leukemia”
26
In Down syndrome which leukemia type is most common? A. ALL B. AML C. CML D. CLL
**A. ALL** >5 yrs = ALL <5 yrs = AML
27
African teen with jaw mass histopathotolgy show starry sky appearance (case of burkitt’s lymphoma). Whats pathophysio? A. Over-expression of c-myc B. Over-expression of n-myc C. Over-expression of Fab D. Over-expression of k-ras
A. Over-expression of c-myc
28
BCL BCR gene associated with: A. ALL B. CLL C. CML D. AML
**C. CML** Philadelphia chromosome t(9;22)
29
5 yo unwell with LL ecchymosis, +ve CD10 (CALLA). Dx: […]
ALL