FINALS - Ch. 26 (The Blood) Flashcards
(21 cards)
The blood cell having distinct nuclei with three or more lobes is called the:
Neutrophil
The blood cell that absorbs blue stain best, having nuclei with two lobes is called the:
Basophil
What does the medical term diapedesis mean?
Leukocyte mobility through blood vessel walls
Another name for platelets is thrombocytes, and they are formed from one type of WBC called a:
Megakaryocyte
A thrombocyte count of 50,000 would likely indicate:
An inability to adequately control bleeding
What is the name for the smallest plasma proteins?
Albumins
What cell surface antigens are commonly found on the RBCs of individuals with type O blood?
No antigens
An inherited form of anemia caused by a defective hemoglobin chain, resulting in small, pale, short-lived red blood cells, is:
Thalassemia
The buffy coat of a centrifuged blood sample will contain what blood element?
Leukocytes
The small white blood cells having a large, round, single-lobed nucleus and no granules in the cytoplasm are the:
Lymphocytes
Helminths are parasitic worms that live within their host. What would you expect to see in a differential WBC as possible evidence of such an infection?
Increased eosinophils
What is the first major event that occurs after an injury to help stop the flow of blood?
Blood vessel spasm
Condition in which a persons bone marrow produces a large number of abnormal WBCs that prevent the health WBCs from working properly.
Leukemia
Red blood cells live for approximately how long?
four months
WBCs that destroy bacteria and viruses
Neutrophils
WBCs that destroy parasitic infections
Eosinophils
WBCs that release histamine and heparin and promote inflammation
Basophils
When blood coagulates on a vessel wall in the absence of a known injury, it is referred to as:
A thrombus
Fibrinogen is a plasma protein that:
aids in blood clotting
What is a sign or symptom of sickle cell anemia?
Delayed growth