Blood Components
What is the normal plasma volume in whole blood?
a. 92%
b. 46%-63%
c. 5.3-6.4 liters
d. 37%-54%
b. 46%-63%
What group includes the plasma proteins that fight infection?
a. Fibrinogens
b. WBCs
c. Globulins
d. Albumins
c. Globulins
What is the thickest layer in an artery?
a. Endothelium
b. Tunica externa
c. Elastic layer
d. Tunica media
d. Tunica media
Which part of the entire circulatory system holds most of the blood volume at rest?
a. Systemic capillaries
b. Heart
c. Pulmonary circuit
d. Systemic veins
d. Systemic veins
Which of these disorders is caused by Rh factor incompatibility?
a. Pernicious anemia
b. Hemophilia
c. Hemolytic disease of newborn
d. DIC
c. Hemolytic disease of newborn
what is the most abundant plasma protein?
a. Albumin
b. Globulin
c. Fibrinogen
d. Hemoglobin
a. Albumin
Which of these is NOT an organic waste produced by the breakdown of heme?
a. Bilirubin
b. Cholesterol
c. Urobilin
d. Stercobilin
b. Cholesterol
Which of these is found in all vessels regardless of type or size?
a. Valves
b. Internal elastic layer
c. Endothelium
d. Connective tissue sheath
c. Endothelium
What vessel gives rise to the right common carotid artery and the right subclavian artery?
a. Ascending aorta
b. Brachiocephalic artery
c. Aortic arch
d. Thoracic aorta
b. Brachiocephalic artery
Which of these terms refers to infection where bacteria are present and multiplying in the blood?
a. Septicemia
b. Malaria
c. Anemia
d. Leukemia
a. Septicemia
Which of the following is Not true concerning erythrocytes?
a. Life span of 120 days
b. Formed from hemocytoblasts
c. Heme is stored and recycled
d. Flexible, biconcave disc
c. Heme is stored and recycled
What part of a hemoglobin molecule binds to oxygen?
a. Globin
b. Alpha chain
c. Heme
d. Beta chain
c. Heme
What type of capillary filters blood in the kidneys?
a. Continuous
b. Fenestrated
c. Lateral
d. Collateral
b. Fenestrated
Which of the following vessels is NOT associated with the blood supply to the brain?
a. External jugular vein
b. Internal carotid artery
c. Vertebral artery
d. Dural sinus
a. External jugular vein
Which WBC is the most abundant type of agranulocyte?
a. Neutrophil
b. Monocyte
c. Eosinophil
d. Lymphocytes
d. Lymphocytes
Which of the following is NOT a function of platelets?
a. Stimulate vascular spasm
b. Promote vessel repair
c. Aggregate to plug small vessels
d. Expose collagen fibers
d. Expose collagen fibers
Which of the following forms a special connection between the umbilical vein and the inferior vena cava in a fetus?
a. Ductus arteriosus
b. Umbilical ligament
c. Ductus venosus
d. Foramen ovale
c. Ductus venosus
Which of these is caused by a genetic defect?
a. Pernicious anemia
b. Erythroblastosis fetalis
c. Microcytic anemia
d. Thalassemia
d. Thalassemia
Which of the following is common to both the intrinsic and extrinsic clotting pathways?
a. Tissue factor complex
b. Factor X
c. Platelet factor 3
d. Plasminogen activator
b. Factor X
What is the longest vein in the body?
a. Great saphenous vein
b. Inferior vena cava
c. Femoral vein
d. Cephalic vein
a. Great saphenous vein
What type of antibodies are found in the plasma of a person with O+ blood?
a. Anti-O
b. Anti-A and anti-B
c. Anti-A, anti-B, and anti-AB
d. Anti-A, anti-B, and anti-Rh
b. Anti-A and anti-B