BIO 250 MIDTERM UPDATED Exam
Questions and CORRECT Answers
Blood does not __________. - CORRECT ANSWER - produce plasma hormones
Erythrocytes function to transport oxygen and __________. - CORRECT ANSWER -
transport some carbon dioxide
Hemoglobin binds equal percentages of oxygen and carbon dioxide - CORRECT
ANSWER - False
Whole blood is more viscous than water due to plasma electrolytes. - CORRECT
ANSWER - False
What would happen if all the hemoglobin contained in RBCs was released into the plasma? -
CORRECT ANSWER - It would significantly increase blood osmolarity.
Hemostasis is the production of formed elements of blood. - CORRECT ANSWER - False
A patient's blood is found to be abnormally viscous. This could be due to abnormally high
___________ concentration, as this component is the main contributor to blood viscosity. -
CORRECT ANSWER - erythrocyte
The overall cessation of bleeding is specifically called ___________. - CORRECT
ANSWER - hemostasis
Most oxygen is transported bound to __________. - CORRECT ANSWER - heme groups
in hemoglobin
The buffy coat does not contain __________. - CORRECT ANSWER - erythrocytes
, Sickle-cell disease is not __________. - CORRECT ANSWER - a cause of malaria
When doing blood analysis of a sample taken from an ill patient, a lab technician discovers the
protein called __________ that is not normally found in plasma. This could be due to abnormal
rupturing of RBCs. - CORRECT ANSWER - hemoglobin
Most strokes and heart attacks are caused by the abnormal clotting of blood in an unbroken
vessel. Moreover, a piece of the ____________ (clot) may break loose and begin to travel in the
bloodstream as a(n) ______________. - CORRECT ANSWER - thrombus; embolus
What is the most abundant protein in plasma? - CORRECT ANSWER - albumin
Serum is essentially identical to plasma except for the absence of __________. - CORRECT
ANSWER - blood clots
The most important component of the cytoplasm of red blood cells (RBCs) is hemoglobin. -
CORRECT ANSWER - True
A normal hematocrit is approximately __________ of the total blood volume. - CORRECT
ANSWER - 37% to 52%
Where do most RBCs die? - CORRECT ANSWER - spleen
Which of the following is not a consequence of anemia? - CORRECT ANSWER - Blood
viscosity is increased.
Which of the following is not normally found in plasma? - CORRECT ANSWER -
Glycogen
Questions and CORRECT Answers
Blood does not __________. - CORRECT ANSWER - produce plasma hormones
Erythrocytes function to transport oxygen and __________. - CORRECT ANSWER -
transport some carbon dioxide
Hemoglobin binds equal percentages of oxygen and carbon dioxide - CORRECT
ANSWER - False
Whole blood is more viscous than water due to plasma electrolytes. - CORRECT
ANSWER - False
What would happen if all the hemoglobin contained in RBCs was released into the plasma? -
CORRECT ANSWER - It would significantly increase blood osmolarity.
Hemostasis is the production of formed elements of blood. - CORRECT ANSWER - False
A patient's blood is found to be abnormally viscous. This could be due to abnormally high
___________ concentration, as this component is the main contributor to blood viscosity. -
CORRECT ANSWER - erythrocyte
The overall cessation of bleeding is specifically called ___________. - CORRECT
ANSWER - hemostasis
Most oxygen is transported bound to __________. - CORRECT ANSWER - heme groups
in hemoglobin
The buffy coat does not contain __________. - CORRECT ANSWER - erythrocytes
, Sickle-cell disease is not __________. - CORRECT ANSWER - a cause of malaria
When doing blood analysis of a sample taken from an ill patient, a lab technician discovers the
protein called __________ that is not normally found in plasma. This could be due to abnormal
rupturing of RBCs. - CORRECT ANSWER - hemoglobin
Most strokes and heart attacks are caused by the abnormal clotting of blood in an unbroken
vessel. Moreover, a piece of the ____________ (clot) may break loose and begin to travel in the
bloodstream as a(n) ______________. - CORRECT ANSWER - thrombus; embolus
What is the most abundant protein in plasma? - CORRECT ANSWER - albumin
Serum is essentially identical to plasma except for the absence of __________. - CORRECT
ANSWER - blood clots
The most important component of the cytoplasm of red blood cells (RBCs) is hemoglobin. -
CORRECT ANSWER - True
A normal hematocrit is approximately __________ of the total blood volume. - CORRECT
ANSWER - 37% to 52%
Where do most RBCs die? - CORRECT ANSWER - spleen
Which of the following is not a consequence of anemia? - CORRECT ANSWER - Blood
viscosity is increased.
Which of the following is not normally found in plasma? - CORRECT ANSWER -
Glycogen
