VET 226 Red Blood Cells Problem Set with Fully Solved
Answers (2025/2026 Edition)
Intravascular hemolysis is responsible for _______ of RBC destruction -
correct answer 10%
What is the lifespan of a dogs RBC? - correct answer 110 days
What is the lifespan of a cats RBC? - correct answer 68 days
What is the RBC lifespan for horses and sheep? - correct answer 160 days
What is the RBC lifespan for mice? - correct answer 20-30 days
With regenerative anemia, small animals will regenerate erythrocytes in ___to
___ days - correct answer 4-7
With hemolytic anemia, erythrocyte destruction takes place where? - correct
answer within the blood
What is polycythemia and what is it caused by? - correct answer 1. An
increase in total cell mass of blood due to fluid loss
2. Caused by:
- dehydration
- vomiting
- diarrhea
- reduced water consumption
, Variation in size of an erythrocyte - correct answer Anisocytosis
(true/false) Cats generally have smaller RBC's than dogs - correct answer
true
(true/false) Avians and reptiles have nucleated RBC's - correct answer true
What is Post-prandial lipemia? - correct answer cloudy change in plasma
following a meal due to suspension of fat in the plasma
What should heparin be used for? What should it not be used for? - correct
answer Heparin is ideal for blood chemistries but should not be used to
make differential slides (interferes with WBC staining)
EDTA is ideal for hematologic studies because it does not interfere with
____________ ________ - correct answer Romanowsky stain
Immature RBC's that contain organelles - correct answer reticulocytes
Cats have 2 morphologic forms of reticulocytes, what are they? Which ones
do we count? - correct answer 1. Aggregate form- large clumps ( ONLY
COUNT THESE)
2. Punctate form- 2-8 small, singular, basophilic granules
What percent of the total RBC mass is replace every day? - correct answer
1%
The entire blood supply is replaced approx. Every _________ - correct
answer 3 months
Answers (2025/2026 Edition)
Intravascular hemolysis is responsible for _______ of RBC destruction -
correct answer 10%
What is the lifespan of a dogs RBC? - correct answer 110 days
What is the lifespan of a cats RBC? - correct answer 68 days
What is the RBC lifespan for horses and sheep? - correct answer 160 days
What is the RBC lifespan for mice? - correct answer 20-30 days
With regenerative anemia, small animals will regenerate erythrocytes in ___to
___ days - correct answer 4-7
With hemolytic anemia, erythrocyte destruction takes place where? - correct
answer within the blood
What is polycythemia and what is it caused by? - correct answer 1. An
increase in total cell mass of blood due to fluid loss
2. Caused by:
- dehydration
- vomiting
- diarrhea
- reduced water consumption
, Variation in size of an erythrocyte - correct answer Anisocytosis
(true/false) Cats generally have smaller RBC's than dogs - correct answer
true
(true/false) Avians and reptiles have nucleated RBC's - correct answer true
What is Post-prandial lipemia? - correct answer cloudy change in plasma
following a meal due to suspension of fat in the plasma
What should heparin be used for? What should it not be used for? - correct
answer Heparin is ideal for blood chemistries but should not be used to
make differential slides (interferes with WBC staining)
EDTA is ideal for hematologic studies because it does not interfere with
____________ ________ - correct answer Romanowsky stain
Immature RBC's that contain organelles - correct answer reticulocytes
Cats have 2 morphologic forms of reticulocytes, what are they? Which ones
do we count? - correct answer 1. Aggregate form- large clumps ( ONLY
COUNT THESE)
2. Punctate form- 2-8 small, singular, basophilic granules
What percent of the total RBC mass is replace every day? - correct answer
1%
The entire blood supply is replaced approx. Every _________ - correct
answer 3 months
