blood

Which feature of WBCs makes them particularly important in tissue injury?

they can squeeze out through blood vessel walls into tissues

Which of the following could be used as a treatment for a stroke if given early in the disease progression?

tissue plasminogen activator

The hematocrit is the volume of red blood cells in blood as a percentage

true

basophil

.5-1% of WBC

average lifespan of a RBC

120 days

hemoglobin

13-18 grams

eosinophils

2-4% of WBC

coagulation time

2-6 minutes

lymphocyte

25-45% of WBC

monocyte

3-8% of WBC

normal WBC

4,800-10,000

total RBC coun

4.7-6.1 million

hematocrit

42-52%

neutrophil

50-70% of WBC

Blood volume represents about ________ percent of a person's body weight.

7

the level of erythropoietin in the blood would rise due to

when blood flow to the kidneys is disrupted, as a consequence of hemorrhage, high altitude, and anemia

If your blood clumped with both anti-A and anti-B sera, your ABO blood type would be ________

AB

which ABO blood type is the least common

AB

Which ABO blood type is considered the "Universal Donor"

O

In an emergency situation when you have no time to wait for cross-matched blood you could give a patient type ________ until the cross-match is available.

O negative

condition of too few RBC's

anemia

erythrocyte

another name for RBC

Type A blood has what type of RBC surface antigen and what type of opposing antibodies? (Figure 19-6)

antigen A; anti-B antibodies

Jane has been taking the antibiotic chloramphenicol for a few weeks as treatment for a serious bacterial infection. There is a possibility that a future side effect of long-term antibiotic therapy could cause her to develop problems in blood cell counts. The result is

aplastic anemia

Granulocytes consist of what three types of mature cells and from what blast cell do granulocytes differentiate? (Figure 19-10)

basophil, eosinophil, neutrophil; myeloblast

basophil

cell that releases the vasodilator histamine; the least abundant WBC

Hematological studies of blood are no longer important since there are newer diagnostic methods available

false

Approximately 45 percent of blood volume is composed of the

formed elements

the technical term for "blood cells"

formed elements

what is normally found in blood plasma

glucose, fibrinogen, oxygen, water

Mary is tested for the amount of hemoglobin in her blood. The test results indicate that her hemoglobin level is 16 g/dL of blood. This value indicates that

her hemoglobin level is normal

abnormal increase in the production of WBC's

leukocytosis

abnormal decrease in the production of WBC's

leukopenia

megakaryocyte

massive cell that leads to the creation of platelets

Transferrin is an example of which kind of plasma protein?

metalloprotein

Macrophages develop from

monocytes

During a bacterial infection you would expect to see increased numbers of

neutrophils

Which of the following white blood cells are mobile?

neutrophils and monocytes

which group of leukocytes are classified as granulocytes

neutrophils, eosinophils, and basophils

eosinophil

number rises during parasitic infections and allergic reactions

abnormal increase in the RBC's

polycythemia

In adults, the only site of red blood cell production, and the primary site of white blood cell formation, is the

red bone marrow

Where are red blood cells produced? (Figure 19-5)

red bone marrow

The reason that an Rh-negative person does not have a transfusion reaction on the first exposure to Rh-positive blood is that the immune system has never been ________ prior to this first exposure

sensitized

Blood that has clotting proteins removed is termed

serum

Aged and damaged erythrocytes are broken down by macrophages in the

spleen, liver, bone marrow

The common pathway of coagulation begins with the

activation of Factor X, production of prothrombin activator.

The most abundant proteins in blood plasma are

albumins

A person who has a low blood volume is said to be

hypovolemic

Pernicious anemia caused by a lack of intrinsic factor is specifically treated by

injections of vitamin B12

Each molecule of heme contains a single ion of what element? (Figure 19-3)

iron