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A&P II Final Questions and Correct
Answers/ Latest Update / Already
Graded
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
Ans: 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
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Ans: 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
Ans: 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
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C. release of PF3
D. binding fibrin strands
Ans: 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
Ans: C. They are nucleated
Which sequence is correct for the following events?
1. fibrinogen -> fibrin
2. clot retraction
3. formation of thromboplastin
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4. prothrombin -> thrombin
A. 1,2, 3, 4
B. 3, 4, 1, 2
C. 4, 3, 1, 2
D. 3, 2, 1, 4
Ans: 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
A&P II Final Questions and Correct
Answers/ Latest Update / Already
Graded
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
Ans: 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
,2 | Page
Ans: 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
Ans: 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
,3 | Page
C. release of PF3
D. binding fibrin strands
Ans: 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
Ans: C. They are nucleated
Which sequence is correct for the following events?
1. fibrinogen -> fibrin
2. clot retraction
3. formation of thromboplastin
, 4 | Page
4. prothrombin -> thrombin
A. 1,2, 3, 4
B. 3, 4, 1, 2
C. 4, 3, 1, 2
D. 3, 2, 1, 4
Ans: 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
