Hematology Test 1 Questions

Question 1

What are the causes of a falsely increased hemoglobin concentration?

Answer 1

Hemolysis

Lipemia

Presence of Heinz bodies

Question 2

Spherocytes are the most important diagnostic indicator of

this disease

Answer 2

IMHA!

Question 3

What erythocyte morphology is unique to iron-deficiency anemia?

Answer 3

Keratocytes

Question 4

Basophilic stippling is normal in ___________

Answer 4

Ruminants

Question 5

If a significant amount of basophilic stippling is seen in

small animals, what should you consider?

Answer 5

Lead Poisoning

Question 6

If you think that a dog has Hemangiosarcoma, what two erythrocyte morphologies

should you look for?

Answer 6

Schistocytes, Acanthocytes

Question 7

What kind of cell is seen with Rattlesnake Evenomation?

Answer 7

Echinocytes

Question 8

What are the 2 main causes of Lymphocytosis?

Answer 8

Increase in lymphocytes

Lymphocytic Leukemia (>30,000)

Excitement (>20,000)

Question 9

What 3 things can cause Neutrophilia?

Answer 9

Increase in neutrophils

Inflammation

Excitement

Stress

Question 10

If you see an increase in neutrophils greater than 2x the upper limit,

what is causing it?

Answer 10

Inflammation

Question 11

What can you look at to tell the difference between Excitement and Stress?

Answer 11

Lymphocytes!

Increased= excitement (epinephrine)

Decreased= stress (glucocorticosteroids)

Question 12

A Left Shift is always indicative of ___________

Answer 12

Inflammation!

Question 13

What is the most common cause of lymphopenia?

Answer 13

Stress!

Question 14

What do you look at to differentiate between iron-deficiency anemia

and anemia of inflammatory disease?

Answer 14

MCV!

Decreased MCV= Iron-deficiency

NORMAL MCV= Anemia of Inflammatory disease

Question 15

If you see mild to moderate anemia but a NORMAL MCV

what type of anemia is it?

Answer 15

Anemia of Inflammatory Disease

Question 16

What can cause a relative polycythemia?

Answer 16

Increase in PCV

Dehydration (will see inc. TP also)

Excitement

Exercise

Question 17

What can cause an absolute polycythemia?

Answer 17

Increased PCV

Secondary to increased EPO

Chronic hypoxia

Inappropriate secretion of EPO (Renal cysts, Renal tumors)

Question 18

What is the most common cause of Iron-Deficiency Anemia in adults?

Answer 18

Chronic Blood Loss!

(usually bleeding into the GI tract)

Question 19

What 5 things can cause Heinz Body Anemia in a cat?

Answer 19

Acetaminophen toxicity

Lymphoma

Hypothyroidism

Diabetes mellitus

Onion toxicosis

Question 20

Neutrophil “toxic change” is indicative of severe ____________

in ruminants, horses, and dogs

Answer 20

Inflammation!

Question 21

What are the 5 types of Neutrophil Toxic Change?

Answer 21

Increased basophilia of the cytoplasm

Presence of Dohle bodies

Cytoplasmic vacuolation

Neutrophil hypersegmentation

Neutrophil degeneration

Question 22

What is the most common cause of an increased MCV in domestic animals?

Answer 22

Regeneration!

Question 23

What is the only thing that can cause a high Albumin?

Answer 23

Dehydration

Question 24

What are 3 reasons that bilirubin can be increased?

Answer 24

Increased RBC destruction

Liver dysfunction

Bile duct obstruction

Question 25

The only thing that causes an increase in Bands (band neutrophils) is

Answer 25

Inflammation