Blood Terms

Question 1

Plasma

Answer 1

Non-living fluid matrix that makes up the blood

Question 2

Formed Elements

Answer 2

Non-living cells that are suspended from the blood

Question 3

Erythrocytes

Answer 3

RBC sacs of hemoglobin. Transport of O2 and CO2. anucleated, unable to reproduce, numerous

Question 4

Leukocytes

Answer 4

WBC, nonspecific defense, immunity, from bone marrow, less than RBC

Question 5

Diapedesis

Answer 5

The passage of blood. Blood moving in and out of vessels.

Question 6

Granulocyte

Answer 6

Category of WBC. Contains secretory granules that have protein in them.

Question 7

Neutrophils

Answer 7

Type of granulocyte. Pink staining, phagocyte, respond quickest to bacteria

Nucleus multi-lobed, red and blue granulates

Question 8

Eosinophils

Answer 8

Kills parasites, slightly phagocyte, plays roll in allergies & asthma.

Nucleus, bi-lobed, red granulates

Question 9

Basophil

Answer 9

Releases histamines (defense against inflammation), contain heparin (anticoagulant). appear in many inflammatory reactions like allergies.

Nucleus, large blue granulates.,largest type of granulocyte

Question 10

Agranulocytes

Answer 10

Category of WBC. one-lobed nucleus. Characterized by the absence of granules in their cytoplasm.

Question 11

Lymphocytes

Answer 11

Direct cell attack (goes straight to the infection), antibody production

Spherical nucleus, blue cytoplasm

Question 12

Monocytes

Answer 12

Macrophage (eats big things), fixed or wandering

U-shaped nucleus, gray-blue cytoplasm

Question 13

Megakaryocytes

Answer 13

Large bone marrow cell; makes platelets

Question 14

Platelets

Answer 14

• Coagulation

- aka Thrombocytes, seals small tears in blood vessels, necessary in blood clotting

Question 15

Hematopoiesis

Answer 15

Formation of blood

Question 16

Erythropoiesis

Answer 16

Formation of RBC

Question 17

Leukopoiesis

Answer 17

Formation of WBC

Question 18

Thrombopoiesis

Answer 18

Formation of platelets

Question 19

Total WBC

Answer 19

Determines the total # of WBC/unit of blood

Question 20

Total RBC

Answer 20

Determines the total #of RBC per unit of blood

Question 21

Hematocrit

Answer 21

Volume percentage of RBCs in blood

Question 22

WBC Differential Count

Answer 22

Determines the percentage of each type of WBC per unit of blood

Question 23

Anemia

Answer 23

Lack of O2-carrying capacity in/amount of RBC or hemoglobin

Question 24

Leukopenia

Answer 24

Abnormally low WBC count

Question 25

Leukocytosis

Answer 25

Large amount of leukocytes in blood result of bacterial or viral attack of body

Question 26

Thrombocytopenia

Answer 26

Decrease in number of platelets in blood

Question 27

Thrombocytosis

Answer 27

Large amount of platelets in blood because of mass bleeding in body

Question 28

Blood types

Answer 28

A,B,O, & Rh

Question 29

Universal Donor

Answer 29

O negative

Question 30

Universal Recipient

Answer 30

A B Positive

Question 31

Antigens

Answer 31

Substance of part of a substance (living or non-living) that’s seen as foreign to the immune system, activates it and is thus attacked by it

Question 32

Antibodies

Answer 32

• Protein or molecule that’s released by plasma cell (daughter of B cells); a type of immunoglobulin
• Attacks antigens

Question 33

Hemolytic Disease of the Newborn

Answer 33

Occurs when a Rh+ fetus’ blood comes in contact with an Rh- mother’s blood. Causes mother’s blood to develop Rh- antibodies. Thus, if the mother conceives a second child with Rh+ blood, the antibodies of the mother’s blood will attack the fetus and may result in its death.

Question 34

Aggulination

Answer 34

Clumping of foreign cells

Starts when antigen & antibodies come in contact with each other

Question 35

Leukemia

Answer 35

• Cancerous conditions of WBC

- Occurs when bone marrow and other blood-making organs produce an abnormally high amount of WBC