An Introduction to the Anemias (Module 1)

Question 1

___________ is a condition in which the hemoglobin concentration of the blood is reduced below the normal reference interval for the age and sex of the patient, typically below 140 g/L in adult males and below 120 g/L in adult females.

Answer 1

Anemia

Question 2

_____________ is a condition in which the erythrocyte count in the blood and usually also the hematocrit is increased above reference intervals.

Answer 2

Polycythemia

Question 3

Absolute anemia occurs when the hemoglobin concentration is decreased due to: 2 things.

Answer 3

1- decreased absolute numbers of erythrocytes int he blood

2- decreased hemoglobin inside the erythrocytes.

Question 4

Absolute anemias result in a ___________ in the oxygen-carrying capacity of the blood because of an actual _________ in red cell mass and are accompanied by mild to severe symptoms of hypoxia.

Answer 4

Decrease

Decrease

hypoxia

Question 5

Relative anemia occurs when the __________ concentration is decreased by increasing the _______ _____.

Answer 5

hemoglobin

plasma volume

Question 6

What are the 3 causes of absolute anemias?

Answer 6

1- Decreased or inneffective erythropoises
2- Increased Hemolysis
3- Blood loss

Question 7

What are the 4 classification which is based on red cell indices and observed RBC morphology in the blood film?

Answer 7

1- Hypochromic anemias
2- macrocytic anemias
3- normochromic normocytic anemias
4- hemolytic anemias

Question 8

__________ assays are based on colorimetric measurement manually or by automated instrumentation.

Answer 8

Hemoglobin

Question 9

__________, or pack cell volume, is determined by centrifugation of blood or calculated on an automated instrument.

Answer 9

Hemocrit