Hematology

Question 1

What is MCV and what is a normal level?

Answer 1

Mean Corpuscular Volume

80-100

Question 2

What are the 2 main types of macrocytic anemia?

Answer 2

1. B12 deficiency anemia

2. Folate deficiency anemia

Question 3

What is the MCV in macrocytic anemias?

Answer 3

> 100

Red blood cells are big

Question 4

What is the main type of microcytic anemia?

Answer 4

Iron deficiency anemia

Question 5

What is the MCV in microcytic anemias?

Answer 5

< 80

Red blood cells are small

Question 6

What 2 anemias are alcoholics most at risk for?

Answer 6

1. B12

2. Folate

Question 7

What are 3 symptoms of B12 deficiency anemia?

Answer 7

1. Tingling in hands and feet
2. Dizziness
3. Beefy red tongue - glossitis

Question 8

What are the 2 extreme signs of iron deficiency anemia?

Answer 8

1. Pica

2. Nail pitting

Question 9

Do we still give all the same vaccines to children with anemia?

Answer 9

Yes

Question 10

We limit _______ in children until 12 months of age to help prevent iron deficiency anemia.

Answer 10

Whole milk

Question 11

What diagnostic test is used to diagnosis both thalassemia and sickle cell anemia?

Answer 11

Hemoglobin electrophoresis

Question 12

What does it mean when you have a positive varicella titer?

Answer 12

Immunity or active infection

Question 13

Which vaccine is given to prevent a life threatening cause of epiglottis in children?

Answer 13

Hib

Question 14

What are 3 signs and symptoms of epiglottis in children?

Answer 14

1. Thumbprint sign on xray
2. Drooling
3. Respiratory distress

Question 15

What do you do if your patient doesn’t know their vaccination status?

Answer 15

Give them everything we’ve got

Question 16

Dtap or tdap:

Children under 7

Answer 16

Dtap - think dwarf

Question 17

Dtap or tdap:

Children over 7

Answer 17

Tdap - think toddler

Question 18

Is it OK to give the Hep B vaccine during pregnancy?

Answer 18

Yes

Question 19

What if your patient is exposed to hepatitis B but they haven’t been vaccinated?

Answer 19

Give them the hep b vaccine and the immunoglobulin

Question 20

What happens if you have a positive HBsAg?

Answer 20

Either acute or chronic infection

Question 21

When looking at HBsAb, what does a positive IgM mean?

Answer 21

Actively has Hep B (m=miserable)

Question 22

When looking at HBsAb, what does a positive IgG mean?

Answer 22

No longer has Hep B in their body (g=gone)

Question 23

What3 lab trends will we see in iron deficiency anemia?

Answer 23

Low MCV (<80)
Low iron levels
High total iron binding capacity levels (we don't have enough iron on our cells so they have a lot of availability to bind that iron)