A & P Lecture Quiz 18 - Cardiovascular System: Blood
RhoGam injections are given to
Prevent sensitization of the mother
A white blood cell engulfing a bacterium is an example of blood functioning in
Protection
Which term best describes the function of blood when considering the presence of leukocytes and antibodies?
Protection
Which of the following is a step within the common pathway of blood clotting?
Prothrombin is activated to thrombin.
When a person is transfused with the wrong blood type,
The erythroctyes agglutinate
Agglutination of red blood cells means
They clump together
A blood clot attached to a blood vessel wall is called a(an)
Thrombus
Which term best describes the function of blood when considering the presence of carbon dioxide and endocrine hormones?
Transportation
A person with type O blood should receive a blood transfusion from a donor with
Type O blood
The nervous system and certain chemicals can cause the constriction of a blood vessel. This is known as
Vascular spasm
Platelets play a key role in _________, but if they are not used they are broken down after about ________ days.
hemostasis, 9
Which leukocytes are granulocytes? a: Neutrophils b: Eosinophils c: Lymphocytes d: Monocytes e: Basophils f: Erythrocytes
a, b, e
Which of the following plasma proteins is most abundant?
albumin
In adults, red blood cells are made in one place, spend most of their lifespan in another, and most are finally destroyed in yet another place. Which choice lists these locations in the correct chronological order?
bone marrow; blood vessels; spleen
Which plasma protein is correctly matched to its function?
globulin - transport and immunity
T-lymphocytes are a category of
lymphocytes.
Which of the following is an agranulocyte?
monocyte
In hemopoiesis, granulocytes such as neutrophils are formed from the _________ line.
myeloid
Glucose is a
polar molecule, and therefore it dissolves readily in plasma.
If a blood buffer is absent, what function of the blood would be compromised?
regulation of pH
When over 10% of the body's blood has been lost, a survival response occurs involving activation of the ________ nervous system.
sympathetic
In fetal development, hemocytoblasts begin to colonize red mone marrow at approximately
10 weeks.
Arrange the following events of coagulation in proper sequence. (1) prothrombin --> thrombin (2) fibrinogen --> fibrin (3) activation of factor XII (4) formation of prothrombinase
3,4,1,2
How many globins (protein building blocks) are found in a single hemoglobin molecule?
4
How many oxygen molecules may bind to a single molecule of hemoglobin?
4
A person with an increased eosinophil count might be suffering from
A parasitic worm infection
Healing after clot formation involves
All of the above
An individual's hematocrit would vary with
All of the choices are correct.
Platelets
All of these choices are correct
Which type of leukocyte releases histamine?
Basophil
Which are the least numerous of the leukocytes?
Basophils
The combination of hemoglobin and carbon dioxide is
Carboxyhemoglobin
When a person develops a sore throat, white blood cells are drawn to the area of infection by a process called
Chemotaxis
Which of the following is a stage of hemostasis?
Coagulation
Mature erythrocytes
Contain hemoglobin in their cytoplasm
The only formed elements that possess a nucleus when mature are the
Leukocytes
Which of the following cell types is incorrectly matched with its description?
Lymphocytes - become macrophages
Macrophages are derived from
Monocytes
The growth factor that increases the formation of erythrocytes, all classes of granulocytes, monocytes, and platelets from myeloid stem cells is
Multi-CSF.
Neutrophils of the blood are derived from a population of stem cells called
Myeloblasts
Which are characteristic of type Rh negative blood? a: Always has Rh (anti-D) antibodies b: Only under certain conditions will Rh (anti-D) antibodies be present c: Always has Rh (D) antigen d: Only under certain conditions will the Rh (D) antigen be present e: Is inherited independent of the ABO group
b, e
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 of the following is (are) associated with decreased hematopoiesis?
both vitamin B12 deficiency and iron deficiency anemia
What ion is necessary for the coagulation process?
calcium
The main function of leukocytes is to
defend against pathogens.
As a platelet plug forms at an injury site, platelets become activated and their cytosol
degranulates as they release chemicals such as ADP and thromboxane A2.
The clinical definition of the hematocrit refers to the percentage of
erythrocytes in the blood.
The most numerous of the formed elements are the
erythrocytes.
The agglutinogens (or antigens) that determine the ABO and Rh blood types are
found on the surface of erythrocytes.
Hemocytoblast stem cells
give rise to all formed elements in the blood.
The carbon dioxide molecules that bind to the hemoglobin molecule are attached to the __________ units.
globin
Plasma is ____ while formed elements are ____.
liquid portion of blood; the cells
If agglutination occurs after a blood transfusion, it may indicate
the wrong blood type was used.
Blood is correctly classified as a(n)
tissue.
