A&P II FINAL ASSESSMENT 2025 WITH QUESTIONS AND
100% CORRECT ANSWERS // GRADED A+
Which of the following might trigger erythropoiesis?
A. Moving to a lower altitude
B. decreased tissue demand for oxygen
C. hypoxia of EPO-producing cells
D. an increased number of RBC's VERIFIED ANSWER C. hypoxia of
EPO-producing cells
As red blood cells age _____.
A. iron will be excreted by the kidneys
B. ATP production increases
C. membranes "wear out" and the cells become damaged
D. they will eventually be excreted by the digestive system VERIFIED
ANSWER C. membranes "wear out" and the cells become damaged
Select the correct statement regarding blood cell formation.
A. Yellow marrow is the main site of leukocyte formation
B. Before the seventh month of fetal development, yellow marrow is the
main site of blood cell formation
C. Red marrow is the main site of blood cell formation throughout adult
life
,D. The main sites of blood cell production in adults are the spleen and
the liver VERIFIED ANSWER C. Red marrow is the main site of blood
cell formation throughout adult life
The slowest step in the clotting process is ____.
A. formation of prothrombin activator
B. production of fibrin strands
C. release of PF3
D. binding fibrin strands VERIFIED ANSWER A. formation of
prothrombin activator
Which of the following is characteristic of all leukocytes?
A. They are the most numerous of the formed elements in blood
B. They have cytoplasmic granules
C. They are nucleated
D. they are phagocytic VERIFIED ANSWER C. They are nucleated
Which sequence is correct for the following events?
1. fibrinogen -> fibrin
2. clot retraction
3. formation of thromboplastin
4. prothrombin -> thrombin
A. 1,2, 3, 4
B. 3, 4, 1, 2
,C. 4, 3, 1, 2
D. 3, 2, 1, 4 VERIFIED ANSWER B. 3, 4, 1, 2 (Formation of
thromboplastin, prothrombin ->thrombin, fibronogen -> fibrin, clot
retraction)
Platelets _____.
A. have multiple nuclei
B. stick to the damaged area of a blood vessel and help seal the break
C. are the precursors of leukocytes
D. have a life span of about 120 days VERIFIED ANSWER B. Stick to
the damaged area of a blood vessel and help seal the break
What organ in the body regulates erythrocyte production?
A. Kidney
B. Liver
C. Pancreas
D. Brain VERIFIED ANSWER A. Kidney
T or F, Leukemia refers to the cancerous conditions of white blood cells.
VERIFIED ANSWER True
T or F, the RBC "graveyard" is the liver. VERIFIED ANSWER False
T or F, each heme contains an atom of iron that can transport one
molecule of oxygen. VERIFIED ANSWER True
, T or F, positive chemotaxis is a feedback system that signals leukocyte
migration into damaged areas. VERIFIED ANSWER True
Normal heart sounds are caused by which of the following events?
A. closure of the heart valves
B. friction of blood against the chamber walls
C. contraction of ventricular muscle
D. excitation of the SA node VERIFIED ANSWER A. closure of the
heart valves
The left ventricular wall of the heart is thicker than the right wall in
order to _____.
A. pump blood with greater pressure
B. pump blood through a smaller valve
C. Expand the thoracic cage during diastole
D. accommodate a greater volume of blood VERIFIED ANSWER A.
pump blood with greater pressure
The P wave of a normal electrocardiogram indications____.
A. ventricular repolarization
B. atrial depolarization
C. ventricular depolarization
D. atrial repolarization VERIFIED ANSWER B. atrial depolarization
100% CORRECT ANSWERS // GRADED A+
Which of the following might trigger erythropoiesis?
A. Moving to a lower altitude
B. decreased tissue demand for oxygen
C. hypoxia of EPO-producing cells
D. an increased number of RBC's VERIFIED ANSWER C. hypoxia of
EPO-producing cells
As red blood cells age _____.
A. iron will be excreted by the kidneys
B. ATP production increases
C. membranes "wear out" and the cells become damaged
D. they will eventually be excreted by the digestive system VERIFIED
ANSWER C. membranes "wear out" and the cells become damaged
Select the correct statement regarding blood cell formation.
A. Yellow marrow is the main site of leukocyte formation
B. Before the seventh month of fetal development, yellow marrow is the
main site of blood cell formation
C. Red marrow is the main site of blood cell formation throughout adult
life
,D. The main sites of blood cell production in adults are the spleen and
the liver VERIFIED ANSWER C. Red marrow is the main site of blood
cell formation throughout adult life
The slowest step in the clotting process is ____.
A. formation of prothrombin activator
B. production of fibrin strands
C. release of PF3
D. binding fibrin strands VERIFIED ANSWER A. formation of
prothrombin activator
Which of the following is characteristic of all leukocytes?
A. They are the most numerous of the formed elements in blood
B. They have cytoplasmic granules
C. They are nucleated
D. they are phagocytic VERIFIED ANSWER C. They are nucleated
Which sequence is correct for the following events?
1. fibrinogen -> fibrin
2. clot retraction
3. formation of thromboplastin
4. prothrombin -> thrombin
A. 1,2, 3, 4
B. 3, 4, 1, 2
,C. 4, 3, 1, 2
D. 3, 2, 1, 4 VERIFIED ANSWER B. 3, 4, 1, 2 (Formation of
thromboplastin, prothrombin ->thrombin, fibronogen -> fibrin, clot
retraction)
Platelets _____.
A. have multiple nuclei
B. stick to the damaged area of a blood vessel and help seal the break
C. are the precursors of leukocytes
D. have a life span of about 120 days VERIFIED ANSWER B. Stick to
the damaged area of a blood vessel and help seal the break
What organ in the body regulates erythrocyte production?
A. Kidney
B. Liver
C. Pancreas
D. Brain VERIFIED ANSWER A. Kidney
T or F, Leukemia refers to the cancerous conditions of white blood cells.
VERIFIED ANSWER True
T or F, the RBC "graveyard" is the liver. VERIFIED ANSWER False
T or F, each heme contains an atom of iron that can transport one
molecule of oxygen. VERIFIED ANSWER True
, T or F, positive chemotaxis is a feedback system that signals leukocyte
migration into damaged areas. VERIFIED ANSWER True
Normal heart sounds are caused by which of the following events?
A. closure of the heart valves
B. friction of blood against the chamber walls
C. contraction of ventricular muscle
D. excitation of the SA node VERIFIED ANSWER A. closure of the
heart valves
The left ventricular wall of the heart is thicker than the right wall in
order to _____.
A. pump blood with greater pressure
B. pump blood through a smaller valve
C. Expand the thoracic cage during diastole
D. accommodate a greater volume of blood VERIFIED ANSWER A.
pump blood with greater pressure
The P wave of a normal electrocardiogram indications____.
A. ventricular repolarization
B. atrial depolarization
C. ventricular depolarization
D. atrial repolarization VERIFIED ANSWER B. atrial depolarization
