Hematology/Serology SM

Question 1

Microcytic or low MCV commonly refers to what?

Answer 1

LIT (80-100)
Lead intoxication
Iron deficiency
Thalassemia

Question 2

Macrocytic or high MCV commonly refers to what?

Answer 2

FAB (80-100)
Folate
mAcrocytic
B12

Question 3

What anemia has neuro symptoms? parathesia, unsteady gait, tingling/numbness

Answer 3

B12 anemia

Question 4

Beefy red tongue - glossitis

Answer 4

B12 anemia

Question 5

What are expected s/s of IDA?

Answer 5

PICA
nail pitting
spoon shaped nails
pale, fatigue

Question 6

Limit what in children until 12 months of age to prevent IDA?

Answer 6

whole milk

Question 7

Diagnostic test for sickle cell anemia and thalassemia?

Answer 7

Hgb electrophoresis

Question 8

What is elevated in thalassemia?

Answer 8

Iron

Question 9

What are causes of sickle cell crisis? How should this be managed in primary care?

Answer 9

illness and dehydration

most likely referred out - IVF

Question 10

What is HBsAG, positive vs negative

Answer 10

the antigen, “stays Always Growing”
positive - acute or chronic infection
negative - no infection

Question 11

Describe HBsAb

Answer 11

the antibody = immunity

either vaccine or infection related

Question 12

What is IgM and IgG

Answer 12

IgM = miserable 
IgG = gone

Question 13

positive HBsAG and positive IgG

Answer 13

chronic infection

Question 14

negative HBsAG and positive IgG

Answer 14

past infection, recovered, infection is gone

Question 15

What should be done for a patient exposed to hepatitis B and has not had the vaccination series? Pregnant?

Answer 15

vaccine and immunoglobulin (Hbig)

give in pregnancy

Question 16

What can lead to an overload of iron in the body besides thalassemia?

Answer 16

Hemachromotosis - regular phlebotomy

Question 17

What is polycythemia vera? How is it treated? What are they are at risk for

Answer 17

increased blood cells - thick and viscous
regular phlebotomy
clotting
secondary: high altitudes, COPD