BIOL 235 MIDTERM 2 BIOLOGY
ATHABASCA UNIVERSITY EXAMINATION
TEST 2026 FULL QUESTIONS AND
ACCURATE SOLUTIONS GRADED A+
⩥ The process by which the formed elements of the blood develop is
called
A) hematospermia
B) hemopoiesis
C) thrombocytosis
D) hemostasis
E) polycythemia. Answer: B
⩥ The major functions of a red blood cell is
A) nutrient transport
B) cytokine stimulation
C) blood cell proliferation
D) gas transport
E) disease resistance. Answer: D
⩥ Which of the following blood cells is a phagocyte?
A) neutrophil
,B) platelet
C) lymphocyte
D) basophil
E) erythrocyte. Answer: A
⩥ Which of the following hormones stimulates the development of
megakaryoblasts?
A) erythropoietin
B) thrombopoietin
C) nitric oxide
D) human growth hormone
E) heparin. Answer: B
⩥ The intrinsic and extrinsic pathways of blood clotting are identical
after formation of
A) thromboplastin
B) prothrombinase
C) clotting factor XII
D) fibrin
E) tissue factor. Answer: B
⩥ Clotting of an unbroken blood vessel is called?
,A) embolism
B) hemolysis
C) fibrinolysis
D) agglutination
E) thrombosis. Answer: E
⩥ What blood type is a person if their plasma contains only anti-A
agglutinin?
A) A
B) B
C) O
D) AB
E) not enough information is provided to answer the question. Answer:
B
⩥ The anatomical region found between the lungs that extends from the
sternum to the vertebral column and from the first rib to the diaphragm?
A) epicardium
B) abdominal cavity
C) pericardium
D) mediastinum
E) thoracic cavity. Answer: D
, ⩥ Through which structure does blood pass from the right atrium to the
right ventricle?
A) bicuspid valve
B) interventricular septum
C) tricuspid valve
D) mitral valve
E) ascending aorta. Answer: C
⩥ Which valve below prevents blood from flowing back into the right
ventricle?
A) tricuspid valve
B) bicuspid valve
C) pulmonary semilunar valve
D) aortic semilunar valve
E) mitral valve. Answer: C
⩥ Which structure in the figure is labeled C?. Answer: arch of aorta
⩥ Why does not a significant amount of blood flow back into the vena
cava and coronary sinus during atrial contraction?
A) the tricuspid valve blocks the venous openings
B) the bicuspid valve blocks the venous openings
ATHABASCA UNIVERSITY EXAMINATION
TEST 2026 FULL QUESTIONS AND
ACCURATE SOLUTIONS GRADED A+
⩥ The process by which the formed elements of the blood develop is
called
A) hematospermia
B) hemopoiesis
C) thrombocytosis
D) hemostasis
E) polycythemia. Answer: B
⩥ The major functions of a red blood cell is
A) nutrient transport
B) cytokine stimulation
C) blood cell proliferation
D) gas transport
E) disease resistance. Answer: D
⩥ Which of the following blood cells is a phagocyte?
A) neutrophil
,B) platelet
C) lymphocyte
D) basophil
E) erythrocyte. Answer: A
⩥ Which of the following hormones stimulates the development of
megakaryoblasts?
A) erythropoietin
B) thrombopoietin
C) nitric oxide
D) human growth hormone
E) heparin. Answer: B
⩥ The intrinsic and extrinsic pathways of blood clotting are identical
after formation of
A) thromboplastin
B) prothrombinase
C) clotting factor XII
D) fibrin
E) tissue factor. Answer: B
⩥ Clotting of an unbroken blood vessel is called?
,A) embolism
B) hemolysis
C) fibrinolysis
D) agglutination
E) thrombosis. Answer: E
⩥ What blood type is a person if their plasma contains only anti-A
agglutinin?
A) A
B) B
C) O
D) AB
E) not enough information is provided to answer the question. Answer:
B
⩥ The anatomical region found between the lungs that extends from the
sternum to the vertebral column and from the first rib to the diaphragm?
A) epicardium
B) abdominal cavity
C) pericardium
D) mediastinum
E) thoracic cavity. Answer: D
, ⩥ Through which structure does blood pass from the right atrium to the
right ventricle?
A) bicuspid valve
B) interventricular septum
C) tricuspid valve
D) mitral valve
E) ascending aorta. Answer: C
⩥ Which valve below prevents blood from flowing back into the right
ventricle?
A) tricuspid valve
B) bicuspid valve
C) pulmonary semilunar valve
D) aortic semilunar valve
E) mitral valve. Answer: C
⩥ Which structure in the figure is labeled C?. Answer: arch of aorta
⩥ Why does not a significant amount of blood flow back into the vena
cava and coronary sinus during atrial contraction?
A) the tricuspid valve blocks the venous openings
B) the bicuspid valve blocks the venous openings
