BIO211 Lab: Blood
in the centrifuged sample of blood illustrated, which number indicates the layer containing water, plasma proteins, nutrients, and waste products?
1
the life span of an erythrocyte is about _____ days
120.
the globulins make up about _____ percent of all plasma proteins
37
for blood type O-, identify all possible antibodies found in the plasma.
Anti-A, anti-B, anti-D
A patient with Type A+ blood has which antibodies?
Anti-B
A patient has blood type B+, which blood type(s) can this patient receive for transfusion?
B+, B-, O+, O-
Which are characteristics of type O blood? a: Has anti-A antibodies b: Has anti-B antibodies c: Has surface antigen O on its erythrocytes d: Has surface antigen A on its erythrocytes e: Has neither surface antigen A nor B on its erythrocytes
a,b,e
the smallest and most abundant plasma proteinsa are the
albumin.
A reduced number of leukocytes causes a serious disorder called _____
anemia
identify the formed element (specific WBC).
basophil
Oxygen-poor blood is _________ in color.
dark red
identify the formed element (pink arrow, right side)
eosinophil
the process of hemopoiesis starts with hemopoietic stem cells called
hemocytoblasts
what blood disorder is observed in theis slide?
sickle cell anemia
Blood is correctly classified as a(n)
tissue
how many globins (protein building blocks) are found by a single hemoglobin molecule?
4
how many oxygen molecules may bind to a single molecule of hemoglobin?
4
typically, an adult's body contains _____ of blood.
5 liters
plasma makes up about ______ percent of a centrifuged sample of whole blood.
55
Which most closely approximates the percentage of water in plasma by weight?
92%
A person with erythrocytes that have surface antigen A, but not surface antigen B, is said to have type _________ blood.
A
a patient with Type AB- blood has which surface antigen?
A and B
if you are blood type A-, which surface antigens will you have?
A antigens.
identify the blood type. Agglutination is indicated by an arrow
A+
Which are characteristic of type A blood? a: Has anti-A antibodies b: Has anti-B antibodies c: Has surface antigen A on its erythrocytes d: Has surface antigen B on its erythrocytes e: Has neither surface antigen A nor B on its erythrocytes f: Will agglutinate with blood type B
b,c,f
Blood plasma is slightly _______; if pH drifts out of the normal range, dire consequences can result from alterations in the structure of _______ .
basic; proteins
which leukocyte is least abundant in a healthy individual?
basophil
if a patient become dehydrated, the percentage of plasma in a centrifuged sample of his or her blood would likely
decrease
A malnourished person might have abnormally low levels of plasma proteins. As a result, colloid osmotic pressure
decreases, and there is fluid retention in the interstitial space.
the main function of leukocytes is to
defend against pathogens.
identify the highlighted cell type at the pointer
erythrocyte.
In the centrifuged sample of blood illustrated, number 2 indicates
erythrocytes
when blood is centrifuged and its components separate, the bottom of the tube holds the
erythrocytes
when observing the formed elements of blood (excluding the fluid) which type of formed element is present in the highest percentage?
erythrocytes
the clinical definition of the hematocrit refers to the percentage of
erythrocytes in the blood
Fibrin, which is produced from the plasma protein _______________, helps form blood clots.
fibrinogen
in the centrifuged sample of blood illustrated, what blood components are contained in the layer labeled number 3?
leukocytes and platelets
When blood oxygen is _____, erythropoietin is released, which ______ production of erythrocytes.
low; stimulates
Identify the highlighted cell type at the pointer. (be specific)
lymphocyte
identify the formed element (pink arrow, right side)
monocyte
identify the highlighted cell type at the pointer.
neutrophil
Which leukocytes are granulocytes?
neutrophils, eosinophils, basophils
which component of the blood is 55% of its total volume and contains the nonliving fluid with dissolved substances?
plasma
which term best describes the function of blood when considering he presence of leukocytes and antibodies?
protection
During an agglutination reaction for blood typing, the ____, in the blood sample react with the antibodies in the test solution.
surface antigens
Macrophages are the converted monocytes that phagocytose bacteria, cell fragments, dead cells, and debris
true
platelets are formed elemets
true
the first phase of hematosis is
vascular spasm
When trying to diagnose an infection that alters the percentages of leukocyte types found in the blood, it is useful for clinicians to perform a:
white blood cell differential count
the most numerous of the formed elements are the
erythrocytes.
the blood type of a person missing hte surface antigen D is Rh+
false
the process producing the formed elements of blood is called
homeopoiesis
Erythropoietin is a hormone produced by the _______ to increase the rate of production and maturation of erythrocyte progenitor and erythroblast cells
kidneys
identify the two formed elements (pink arrow)
lymphocyte
T lymphocytes are a category of
lymphocytes.
platelets are continually produced in the red bone marrow by cells called ______.
megakaryocytes
The type of leukocyte that will migrate in the blood and take up residence in the tissues as a macrophage is a(n)
monocyte
identify the formed element (specific WBC)
monocyte
state the name of one type of agranulocyte
monocyte
The type of leukocyte that is very active during a bacterial infection is a(n)
neutrophil
which leukocyte is most abundant in a healthy idividual?
neutrophil
identify the two large, purple formed elements:
neutrophils
which formed element is a small cell fragment and not a complete cell?
platelet
identify the formed elements
platelets
the "buffy coat" in a centrifuged blood sample is composed of
platelets and leukocytes
a patient with A+ blood can safely receive a transfusion from a donor with O+ blood.
true
