BSC 216 EXAM 1 QUESTIONS & ANSWERS
Which of the following is NOT one of the functions of blood?
A. blood clotting
B. to protect vital organs
C. to maintain body temperature
D. to transport and exchange gases - Answer -B. to protect vital organs
Normal blood pH should fall between? - Answer -7.35 and 7.45
What are the formed elements of blood? - Answer -Erythrocytes-red blood cells
Leukocytes- white blood cells
Platelets
The most abundant component of plasma is: - Answer -water
What type of plasma protein are antibodies? - Answer -Immune protein
What is the process of differentiation and maturation of the formed elements in blood? -
Answer -Hematopoiesis
Iron molecules released from the breakdown of hemoglobin are transported through the
blood by: - Answer -transferrin
Since erythrocytes lack a nucleus to make repairs, they only live: - Answer -100-120
days
Which type of leukocyte may produce antibodies? - Answer -Lymphocyte
All leukocytes arise from: - Answer -hematopoietic stem cells
During the first step of platelet plug formation, the chemical produced by endothelial
cells at the site of injury is called __________. - Answer -von Willebrand factor
The process that stops bleeding from an injured vessel is called __________. - Answer
-hemostasis
During a transfusion, if incompatible antigens are are introduced, antibodies can bind to
foreign antigens, causing them to clump together, or: - Answer -agglutinate
Where is the heart located? - Answer -Mediastinum
The main veins that and arteries that bring blood to and from the heart are known as: -
Answer -the great vessels
, To where does the right side of the heart pump blood? - Answer -Lungs
To where does the left side of the heart pump blood? - Answer -Rest of the body
The right side of the heart receives __________ blood from the _______ circuit. -
Answer -deoxygenated
systemic
The left side of the heart is called the: - Answer -systemic pump
The right side of the heart is called the: - Answer -pulmonary pump
The vessels that deliver oxygen to the tissues of the body are part of the __________. -
Answer -systemic circuit
The right and left coronary arteries receive blood from the: - Answer -aorta
Which vessel supplies the systemic circuit with oxygenated blood? - Answer -Aorta
What muscles, present in the ventricles, anchor by tendon-like chords called chordae
tendineae? - Answer -Papillary muscles
Which vessel is guarded by a semilunar valve at its base? - Answer -Pulmonary trunk
Which part of the electrocardiogram (ECG) would most be affected by abnormally slow
depolarization of the ventricles? - Answer -QRS wave
What organ serves as the control center for the regulation of erythropoiesis? - Answer -
Kidney
When red bone marrow starts making fewer red blood cells, this is known as: - Answer
-aplastic anemia
The most common cause of abnormal hemoglobin is an inherited condition known as: -
Answer -sickle cell anemia
The process by which cells are attracted to a particular location in the body via
chemicals released by other cells is called: - Answer -chemotaxis
If a patient has a parasitic infection, you would expect an elevated __________ count. -
Answer –eosinophil
What activity is occurring in the heart during the Q-T interval on an electrocardiogram
(ECG)? - Answer -The ventricular cells are undergoing action potentials.
Which of the following is NOT one of the functions of blood?
A. blood clotting
B. to protect vital organs
C. to maintain body temperature
D. to transport and exchange gases - Answer -B. to protect vital organs
Normal blood pH should fall between? - Answer -7.35 and 7.45
What are the formed elements of blood? - Answer -Erythrocytes-red blood cells
Leukocytes- white blood cells
Platelets
The most abundant component of plasma is: - Answer -water
What type of plasma protein are antibodies? - Answer -Immune protein
What is the process of differentiation and maturation of the formed elements in blood? -
Answer -Hematopoiesis
Iron molecules released from the breakdown of hemoglobin are transported through the
blood by: - Answer -transferrin
Since erythrocytes lack a nucleus to make repairs, they only live: - Answer -100-120
days
Which type of leukocyte may produce antibodies? - Answer -Lymphocyte
All leukocytes arise from: - Answer -hematopoietic stem cells
During the first step of platelet plug formation, the chemical produced by endothelial
cells at the site of injury is called __________. - Answer -von Willebrand factor
The process that stops bleeding from an injured vessel is called __________. - Answer
-hemostasis
During a transfusion, if incompatible antigens are are introduced, antibodies can bind to
foreign antigens, causing them to clump together, or: - Answer -agglutinate
Where is the heart located? - Answer -Mediastinum
The main veins that and arteries that bring blood to and from the heart are known as: -
Answer -the great vessels
, To where does the right side of the heart pump blood? - Answer -Lungs
To where does the left side of the heart pump blood? - Answer -Rest of the body
The right side of the heart receives __________ blood from the _______ circuit. -
Answer -deoxygenated
systemic
The left side of the heart is called the: - Answer -systemic pump
The right side of the heart is called the: - Answer -pulmonary pump
The vessels that deliver oxygen to the tissues of the body are part of the __________. -
Answer -systemic circuit
The right and left coronary arteries receive blood from the: - Answer -aorta
Which vessel supplies the systemic circuit with oxygenated blood? - Answer -Aorta
What muscles, present in the ventricles, anchor by tendon-like chords called chordae
tendineae? - Answer -Papillary muscles
Which vessel is guarded by a semilunar valve at its base? - Answer -Pulmonary trunk
Which part of the electrocardiogram (ECG) would most be affected by abnormally slow
depolarization of the ventricles? - Answer -QRS wave
What organ serves as the control center for the regulation of erythropoiesis? - Answer -
Kidney
When red bone marrow starts making fewer red blood cells, this is known as: - Answer
-aplastic anemia
The most common cause of abnormal hemoglobin is an inherited condition known as: -
Answer -sickle cell anemia
The process by which cells are attracted to a particular location in the body via
chemicals released by other cells is called: - Answer -chemotaxis
If a patient has a parasitic infection, you would expect an elevated __________ count. -
Answer –eosinophil
What activity is occurring in the heart during the Q-T interval on an electrocardiogram
(ECG)? - Answer -The ventricular cells are undergoing action potentials.
