Blood: 12.3 Questions - Group 1 Flashcards
The clinical name for white blood cells is:
Leukocytes
Leukocytes are larger than erythroctyes. True or False
True
In the blood stream, leukocytes are anucleated like the erythrocytes. True or False
FALSE. WBCs have a nucleus both in the bone marrow and in the bloodstream.
The main function of leukocytes is:
Defense
Most leukocytes spend only a couple hours in the bloodstream. True or False
True
There are more leukocytes in the body’s tissue and organs than in the bloodstream. True or False
True
___________ are organelles commonly found in leukocytes that are capable of phagocytosis.
Lysosomes
Leukocytes contain the organelles – rough endoplasmic reticulum, ribosomes and Golgi complexes which are used to make ______________ such as enzymes, chemicals.
Proteins
Some types of wbcs contain granules which store enzymes and other chemicals used in their main function of ________________.
Defense
Leukocytes defend the body against foreign “invaders and their toxins”. Give some examples:
- Bacteria & their toxins
- Viruses
- Parasites
Name the three granulocytes (wbcs that contain granules in their cytoplasm).
- Neutrophils
- Eosinophils
- Basophils
Name the two agranuloctyes (wbcs that do not have granules in their cytoplasm).
- Lymphocytes
- Monocytes
Name some of the chemicals that granulocytes can have in their granules.
- Histamine
- Heparin
- Hydrogen peroxide and bleach
Which granulocyte has hydrogen hydrogen peroxide and bleach in its granules, so it can kill bacteria?
- Neutrophils
Which granulocyte has both histamine and heparin in its granules?
- Basophils
In the normal adult, which leukocyte is the most numerous?
Neutrophils which account for 60 – 70 % of neutrophils in the bloodstream.
In the normal adult, which leukocyte is normally the second most common?
Lymphocytes, which account for 25% - 33% of lymphocytes in the bloodstream.
What WBC is an aggressive antibacterial cell?
Neutrophil
Which WBC is associated with immunity - T cells and B cells?
Lymphocytes
Which WBC is associated with fighting parasites in the human body?
Eosinophils
What is the largest WBC?
Monocyte
Which leukocyte is named a macrophage after it leaves the bloodstream and enters the tissues?
Monocyte
Which leukocyte is associated with acute infections?
Neutrophils
Which leukocyte is associated with chronic infections?
Monocytes
