Chapter 10 Anatomy Review

what type of tissue is blood?

connective

what is in the buffy coat?

white blood cells platelets

what is the most numerous formed element in blood?

red blood cells

does an erythrocyte have a nucles or organelles?

no nucleus, very few organelles

what is the normal level of hemoglobin in blood?

250 million per red blood cell

what are the three types of anemia?

decreased rbc’s, decreased amount of hemoglobing, abnormal hemoglobin

what is the normal white blood cell count?

4000-11000 cells per mL

what are the three types of granulocytes?

neutrophils, eosinophils, basophils

what type of wbc increases during allergies?

eosinphil

what type of wbs contains histamine?

basophils

what type of wbc becomes a macrophage?

monocytes

what type of cells are platelets a fragment of?

megakaryocyte

what are the two types of stem cells, and what does each develop into?

lymphoid stem cells —> lymphocytes

myeloid stem cells —> erythrocytes, platelets, monocytes, basophils, eosinophils, neutrophils

what is the lifespan of a rbc?

100 - 120 days

what is a young rbc called?

reticulocyte

what is the hormone that regulates erthryocyte production?

erythropoietin

what is hemostasis?

stoppage of bleeding

what is the correct sequence of steps of hemostasis?

vascular spasms, platelet plug formation, coagulation

how long does it normally take blood to clot?

3-6 minutes

what is a thrombus?

a clot in an unbroken blood vessel

what is an embolus?

a blood clot that has broken loose and is floating freely in the blood stream

what is an antigen?

a toxin or other foreign substance which induces and immune response in the body

what is agglutination?

clumping of red blood cells

what blood type is the universal donor?

O-

what blood types is the universal receipient?

AB

what determines the ABO blood groups?

antibodies that act against the antigen

what are the names of the antigens?

A & B

what is RhoGan? when is it given

injection of antibodies given to a mother right after giving birth

what is blood typing?

the blood sample is mixed with antibodies and they see if any of the antibodies stick to each other

what is the function of hemoglobin?

carry oxygen

what is leukopenia?

abnormally low leukocyte level

what is a hemocytoblast?

common stem cell

hemoglobins

carry oxygen

erythrocytes

carry oxygen

monocytes

phagocyte inside tissue, fights infection

neutrophils

phagocyte at the site of infection

basophils

initiates inflammation

lymphocytes

role in the immune system