BIOS 255 EXAM 1 QUESTIONS AND ANSWERS
Buffy coat - Answers :What is the name of the RBC layer that is formed after blood is
centrifuged?
a. Buffy coat
b. Plasma
c. Hematocrit
d. Rubro layer
d. O- - Answers :Which blood type is considered the universal donor?
a. AB+
b. AB-
c. O+
d. O-
a. Neutrophils
b. Basophils
d. Eosinophils - Answers :Which of the following WBC types is considered granular?
(Select all that apply)
a. Neutrophils
b. Basophils
c. Monocytes
d. Eosinophils
e. Lymphocytes
a. Diapedesis - Answers :When a phagocytic WBC arrives at the site of an infection, it
will leave the blood vessel bysqueezing between the cells that make up the blood
vessel wall. This process is known as what?
a. Diapedesis
b. Agglutination
c. Hemolysis
d. Polycythemia
b. Platelet plug formation - Answers :What is the second step in blood clot formation?
a. Lysis of the fibrin mesh
b. Platelet plug formation
c. Vascular spasm
d. Coagulation
b. Tissue factor - Answers :Which of the following clotting factors does NOT come from
the liver as it's source?
, a. Fibrinogen
b. Tissue factor
c. Serum prothrombin conversion activator
d. Thrombokinase
a. B-
e. O+ - Answers :Which of the following blood types would be compatible donors for
someone who has B+ bloodtype? (Select all that apply)
a. B-
b. A+
c. AB+
d. AB-
e. O+
d. EPO - Answers :What hormone is necessary for the formation of new RBCs in the
bone marrow?
a. Bilirubin
b. Hematopoiesis
c. Hemoglobin
d. EPO
b. Vitamin K - Answers :Which vitamin is used as a pre-cursor to 4 of the clotting
factors?
a. Vitamin D
b. Vitamin K
c. Vitamin A
d. Vitamin C
b. Sickle-cell anemia - Answers :What disease creates a RBC with a C shape instead of
the normal biconcave disc shape?
a. Polycythemia vera
b. Sickle-cell anemia
c. Erythroblastosis fetalis
d. Hemolytic disease
Transportation, Regulation, and Protection - Answers :What are the three major
functions of the blood?
Plasma, Buffy Coat, and Hematocrit (erythrocytes) - Answers :What are the different
parts of centrifuged blood?
Buffy coat - Answers :What is the name of the RBC layer that is formed after blood is
centrifuged?
a. Buffy coat
b. Plasma
c. Hematocrit
d. Rubro layer
d. O- - Answers :Which blood type is considered the universal donor?
a. AB+
b. AB-
c. O+
d. O-
a. Neutrophils
b. Basophils
d. Eosinophils - Answers :Which of the following WBC types is considered granular?
(Select all that apply)
a. Neutrophils
b. Basophils
c. Monocytes
d. Eosinophils
e. Lymphocytes
a. Diapedesis - Answers :When a phagocytic WBC arrives at the site of an infection, it
will leave the blood vessel bysqueezing between the cells that make up the blood
vessel wall. This process is known as what?
a. Diapedesis
b. Agglutination
c. Hemolysis
d. Polycythemia
b. Platelet plug formation - Answers :What is the second step in blood clot formation?
a. Lysis of the fibrin mesh
b. Platelet plug formation
c. Vascular spasm
d. Coagulation
b. Tissue factor - Answers :Which of the following clotting factors does NOT come from
the liver as it's source?
, a. Fibrinogen
b. Tissue factor
c. Serum prothrombin conversion activator
d. Thrombokinase
a. B-
e. O+ - Answers :Which of the following blood types would be compatible donors for
someone who has B+ bloodtype? (Select all that apply)
a. B-
b. A+
c. AB+
d. AB-
e. O+
d. EPO - Answers :What hormone is necessary for the formation of new RBCs in the
bone marrow?
a. Bilirubin
b. Hematopoiesis
c. Hemoglobin
d. EPO
b. Vitamin K - Answers :Which vitamin is used as a pre-cursor to 4 of the clotting
factors?
a. Vitamin D
b. Vitamin K
c. Vitamin A
d. Vitamin C
b. Sickle-cell anemia - Answers :What disease creates a RBC with a C shape instead of
the normal biconcave disc shape?
a. Polycythemia vera
b. Sickle-cell anemia
c. Erythroblastosis fetalis
d. Hemolytic disease
Transportation, Regulation, and Protection - Answers :What are the three major
functions of the blood?
Plasma, Buffy Coat, and Hematocrit (erythrocytes) - Answers :What are the different
parts of centrifuged blood?
