Normal Ranges

Question 1

What is the normal range for calcium?

Answer 1

8.6-10.2 mg/dL

Question 2

Normal range for Vit D?

Answer 2

20-40 ng/mL

Question 3

Normal bone density
Osteopenia
Osteoporosis

Answer 3

Normal: > -1.4
Osteopenia: -1.5 to -2.4
Osteoporosis: < -2.5

Question 4

Postmenomausal estrogen level

Answer 4

< 20 pg/ml

Question 5

Normal MCV

Answer 5

MCV = 80-96 fL

Microcytic <80
Macrocytic >96

Question 6

Normal MCHC range (Normochromic)

Answer 6

MCHC= 31-37 g/dL (Normochromic)

Question 7

What is the normal range for RDW (RBC distribution width)?

Answer 7

RDW = 11.5-15%

Question 8

What type of anemia has decreased MCV and increased RDW?

Answer 8

Microcytic anemia

Question 9

What type of anemia has increased MCV and increased RDW?

Answer 9

Macrocytic anemia

Question 10

What is the reticulocyte percentage in a normal response to anemia?

Answer 10

> 2%

Question 11

Normal hemoglobin

Answer 11

12-14 g/dL

Question 12

Normal hematocrit

Answer 12

36-43%

Question 13

Normal amount of RBCs

Answer 13

4.2-5.4 million/mm^3

Question 14

Microcytic hypochromic anemia with an elevated RDW usually means…

Answer 14

Iron deficiency anemia or lead toxicity

Question 15

A patient with beta thalassemia minor will have decreased lab values EXCEPT for…

Answer 15

Increased RBC
Normal RDW

Question 16

True or false?
Fruits do not have a significant amount of dietary calcium

Answer 16

TRUE

Question 17

Macrocytic (MCV>96) Normochromic (normal MCHC) anemia includes what etiology?

Answer 17

Vitamin B12 deficiency (pernicious anemia)
Folate deficiency anemia

Question 18

If a patient has all normal labs EXCEPT for an increased MCV what is the most common etiology?

Answer 18

Excessive alcohol use

Question 19

What is the most common type of anemia in childhood?

Answer 19

Iron deficiency

Question 20

What is the most common type of anemia during pregnancy?

Answer 20

Iron deficiency

Question 21

What is the most common form of anemia in women during reproductive years?

Answer 21

Iron deficiency

Question 22

What is the most common type of anemia in the elderly?

Answer 22

Anemia of chronic disease

Question 23

A patient following a plant based vegan diet should supplement with:
A. iron
B Vit A
C. Vit B12
D. Folic acid

Answer 23

Vitamin B12

Question 24

What test should be ordered next if lab results come back with
Low MCV
Low MCHC
High RDW

Answer 24

This is iron deficiency anemia so a ferritin level should be ordered

Question 25

What test should be ordered next if lab results come back with
Low MCV
Low MCHC
Normal RDW

Answer 25

This is thalassemia minor so a hemoglobin electrophoresis should be ordered.

Question 26

What test should be ordered next if lab results come back with
High MCV
Nml MCHC
High RDW

Answer 26

This is vitamin B12 or folate deficiency so a vitamin B12 and folate should be ordered

Question 27

In anemia of chronic disease what will the hemogram show?

Answer 27

Everything is decreased except for a normal MCV and normal RDW

Question 28

If a hemoglobin electrophoresis is ordered for thalassemia minor how often should it be ordered?

Answer 28

Only once

Question 29

What is a normal INR for someone on Coumadin?

Answer 29

2-3

Question 30

What would you do if a patient’s INR level was between 5-10?

Answer 30

Hold dose, monitor

Question 31

When would a patient on Coumadin require Vit K?

Answer 31

When INR is >10