Physio Lab Compiled Terms

Question 1

High level of RBC

Answer 1

Polycythemia

Question 2

PCV

Answer 2

Packed Cell Volume

Question 3

MCV, MCH, MCHC

Answer 3

Mean Corpuscular Volume
Mean Corpuscular Hemoglobin
Mean Corpuscular Hemoglobin Concentration

Question 4

Young RBCs are larger, increase above reference intervals.

Answer 4

Regenerative anemia

Question 5

Inherited defect reported in dogs. There are breed-specific membrane defects in the lipid content or sodium/potassium pump, resulting in macrocytic and hypochromic RBC

Answer 5

Hereditary stomatocytosis

Question 6

These growth stimulate the production and differentiation of specific types of WBCs.

Answer 6

Colony-Stimulating Factors (CSFs)

Question 7

A group of cytokines that help regulate WBC production.

Answer 7

Interleukins (ILs)

Question 8

HSCs

Answer 8

Hematopoietic Stem Cells

Question 9

is the process by which red blood cells (RBCs) are produced.

Answer 9

Erythropoiesis

Question 10

Erythropoiesis regulated by the hormone?

Answer 10

erythropoietin

Question 11

Abnormally shaped red blood cells that
can indicate various pathological conditions such as liver disease, anemia, or toxin exposure.

Answer 11

Poikilocytes

Question 12

RBCs with irregular, spiny projections,
commonly seen in liver disease

Answer 12

Acanthocytes

Question 13

Fragmented red blood cells, often
associated with trauma or hemolytic anemia.

Answer 13

Schistocytes:

Question 14

Variation in RBC size, indicating the
presence of both larger-than-normal and
smaller-than-normal cells.

Answer 14

Anisocytosis

Question 15

Paler than normal, indicating low
hemoglobin content.

Answer 15

Hypochromic RBCs

Question 16

Immature RBCs that are often present
during regenerative anemia as the body attempts to
produce more red blood cells.

Answer 16

Reticulocytes

Question 17

are small, round to oval, pale blue-gray inclusions
found in the cytoplasm of neutrophils

Answer 17

Döhle bodies

Question 18

refers to a cell with a
nucleus that appears disrupted or “smeared” on a blood smear.

Answer 18

smudged cell

Question 19

refers to the dissolution or fading of the
nucleus due to the breakdown of DNA by enzymes.

Answer 19

Karyolysis

Question 20

refers to the condensation of chromatin, leading
to the shrinkage and darkening of the nucleus.

Answer 20

Pyknosis

Question 21

refers to the fragmentation of the nucleus
into smaller pieces.

Answer 21

Karyorrhexis