Question 1

Which two mature blood cell types descend from myeloblasts?

Accepted Answer

A)  T cells and B cells
B)  Erythrocytes and platelets
C)  Neutrophils and basophils
D)  Monocytes and lymphocytesE) All of the above
F) B) and C)

Question 2

A patient is suffering from a condition requiring multiple blood transfusions. They have type A blood and their first transfusion was perfectly successful. However, their second transfusion of type A blood causes them to become very ill and observation of their blood reveals agglutination. What has happened to cause their second transfusion to fail?

Accepted Answer

A)  The blood used in the first transfusion contained Rh antigens, which caused the patient to produce anti-Rh antibodies and attack the blood from the second transfusion.
B)  They have developed a sensitivity to A antigens after being exposed to the first transfusion.
C)  The second transfusion must have had anti-A antibodies, which began attacking their blood.
D)  The blood used in the second transfusion must have come from a pregnant woman with Rh-negative blood.E) A) and B)
F) All of the above

Question 3

A patient comes to the hospital with a suspected case of MRSA (a dangerous bacterial infection) . Which of the following blood components would you expect to show elevated numbers in a blood test?

Accepted Answer

A)  Red blood cells
B)  Eosinophils
C)  Neutrophils
D)  MonocytesE) B) and C)
F) C) and D) C

Question 4

A child is born with a genetic mutation in which the plasminogen protein is absent in blood plasma. How will this affect hemostasis?

Accepted Answer

A)  Plasminogen activates Factor III to begin the extrinsic clotting mechanism, so clotting will be prevented.
B)  Blood clots will not be dissolved because plasminogen becomes a clot-dissolving substance.
C)  Clotting will be prevented because plasminogen activates Hageman Factor to begin the intrinsic clotting mechanism.
D)  Plasminogen causes platelets to adhere to collagen in the broken surfaces of blood vessels, so the platelet plug will not form.E) None of the above
F) B) and D)

Question 5

The hormone released form the kidneys that promotes the production of red blood cells is ________.

Accepted Answer

The answer of The hormone released form the kidneys that...

Question 6

Pus is composed of

Accepted Answer

A)  neutrophils, eosinophils, and basophils.
B)  bacteria, white blood cells, and damaged cells.
C)  mucus, sputum, and platelets.
D)  water, serum, and fibers.E) B) and D)
F) All of the above

Question 7

A red blood cell contains a large nucleus; it is thicker near the center and thin around the rim of the cell.

Accepted Answer

A) True 
 B)False

Question 8

Thrombocytopenia is due to a deficiency of

Accepted Answer

A)  vitamin K.
B)  platelets.
C)  leukocytes.
D)  factor VII.E) A) and D)
F) A) and C)

Question 9

The percentage of red blood cells in a sample of human blood is normally about

Accepted Answer

A)  15%.
B)  30%.
C)  45%.
D)  60%.E) A) and C)
F) B) and D)

Question 10

Heme released from hemoglobin in aged red blood cells is decomposed in the liver into

Accepted Answer

A)  iron and the bile pigment biliverdin, which is eventually converted to bilirubin.
B)  iron and the bile pigment bilirubin, which is eventually converted to biliverdin.
C)  iron and interleukins.
D)  serum and plasma proteins.E) A) and D)
F) B) and D)

Question 11

Nonprotein nitrogenous substances include

Accepted Answer

A)  cholesterol.
B)  red blood cells.
C)  creatinine.
D)  calcium ions.E) B) and D)
F) A) and B)

Question 12

Which is the correct sequence for differentiation of a red blood cell?

Accepted Answer

A)  Hematopoietic stem cell, erythrocyte, hematoblast, erythroblast
B)  Hematopoietic stem cell, erythroblast, erythrocyte, reticulocyte
C)  Hematopoietic stem cell, hemocytoblast, erythrocyte, erythroblast
D)  Hematopoietic stem cell, erythroblast, reticulocyte, erythrocyteE) A) and C)
F) C) and D)

Question 13

Tom has a condition in which the endothelial lining of his blood vessels cannot secrete prostacyclin (PGI₂) . How will this affect his blood?

Accepted Answer

A)  Because prostacyclin is a clotting factor that encourages formation of platelet plugs, bleeding will not be slowed.
B)  Prostacyclin is involved in the activation of prothrombin, so the process of clotting will not be complete.
C)  Prostacyclin is a clot-dissolving enzyme, so clots will not be broken down and Tom will be at risk for an embolism or thrombosis.
D)  Because prostacyclin prevents platelets from sticking to the inside of healthy blood vessels, Tom will experience clotting and general narrowing of the blood vessels.E) B) and D)
F) All of the above

Question 14

In an adult, red blood cells are produced primarily in the ________.

Accepted Answer

The answer of In an adult, red blood cells are...

Question 15

Athletes abuse erythropoeitin (EPO) because it

Accepted Answer

A)  increases the red blood cell supply, which brings more oxygen to muscle cells.
B)  decreases the red blood cell supply, which brings more oxygen to muscle cells.
C)  increases the red blood cell supply, which depletes oxygen from muscle cells.
D)  increases the white blood cell supply, which prevents infection.E) None of the above
F) A) and D)

Question 16

A condition occurs where the number of basophils in the blood drastically decreases. Which of the following would directly result from the loss of basophils?

Accepted Answer

A)  Bacteria and fungi would not be phagocytized and removed from an infected tissue.
B)  Tumors and microorganisms would not be directly attacked by T cells.
C)  Increased susceptibility to parasitic infections and loss of allergic responses would occur.
D)  Wound areas won't produce an inflammatory reaction and attract an immune response from defensive leukocytes.E) B) and C)
F) B) and D)

Question 17

Diapedesis is

Accepted Answer

A)  the formation of platelets from megakaryocytes.
B)  filling of red blood cells with hemoglobin.
C)  movements of white blood cells out of the circulation.
D)  squeezing of red blood cells through narrow capillaries.E) C) and D)
F) A) and C)

Question 18

Persons with type AB blood are sometimes called universal donors.

Accepted Answer

A) True 
 B)False  False

Question 19

An abnormally low white blood cell count is called ________.

Accepted Answer

The answer of An abnormally low white blood cell count...

Question 20

Vitamin B₁₂ is poorly absorbed in the absence of

Accepted Answer

A)  folic acid.
B)  erythropoietin.
C)  intrinsic factor.
D)  extrinsic factor.E) A) and D)
F) A) and C) C

Exam 14: Blood

Which two mature blood cell types descend from myeloblasts?

Correct Answer
verified

Correct Answer
verified

A patient comes to the hospital with a suspected case of MRSA (a dangerous bacterial infection) . Which of the following blood components would you expect to show elevated numbers in a blood test?

Correct Answer
verified
C

A child is born with a genetic mutation in which the plasminogen protein is absent in blood plasma. How will this affect hemostasis?

Correct Answer
verified

The hormone released form the kidneys that promotes the production of red blood cells is ________.

Correct Answer
verified

Pus is composed of

Correct Answer
verified

A red blood cell contains a large nucleus; it is thicker near the center and thin around the rim of the cell.

Correct Answer
verified

Thrombocytopenia is due to a deficiency of

Correct Answer
verified

The percentage of red blood cells in a sample of human blood is normally about

Correct Answer
verified

Heme released from hemoglobin in aged red blood cells is decomposed in the liver into

Correct Answer
verified

Nonprotein nitrogenous substances include

Correct Answer
verified

Which is the correct sequence for differentiation of a red blood cell?

Correct Answer
verified

Tom has a condition in which the endothelial lining of his blood vessels cannot secrete prostacyclin (PGI₂) . How will this affect his blood?

Correct Answer
verified

In an adult, red blood cells are produced primarily in the ________.

Correct Answer
verified

Athletes abuse erythropoeitin (EPO) because it

Correct Answer
verified

A condition occurs where the number of basophils in the blood drastically decreases. Which of the following would directly result from the loss of basophils?

Correct Answer
verified

Diapedesis is

Correct Answer
verified

Persons with type AB blood are sometimes called universal donors.

Correct Answer
verified
False

An abnormally low white blood cell count is called ________.

Correct Answer
verified

Vitamin B₁₂ is poorly absorbed in the absence of

Correct Answer
verified
C

Exam 14: Blood

Which two mature blood cell types descend from myeloblasts?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A patient comes to the hospital with a suspected case of MRSA (a dangerous bacterial infection) . Which of the following blood components would you expect to show elevated numbers in a blood test?

Correct AnswerverifiedC

A child is born with a genetic mutation in which the plasminogen protein is absent in blood plasma. How will this affect hemostasis?

Correct AnswerverifiedShow Answer

The hormone released form the kidneys that promotes the production of red blood cells is ________.

Correct AnswerverifiedShow Answer

Pus is composed of

Correct AnswerverifiedShow Answer

A red blood cell contains a large nucleus; it is thicker near the center and thin around the rim of the cell.

Correct AnswerverifiedShow Answer

Thrombocytopenia is due to a deficiency of

Correct AnswerverifiedShow Answer

The percentage of red blood cells in a sample of human blood is normally about

Correct AnswerverifiedShow Answer

Heme released from hemoglobin in aged red blood cells is decomposed in the liver into

Correct AnswerverifiedShow Answer

Nonprotein nitrogenous substances include

Correct AnswerverifiedShow Answer

Which is the correct sequence for differentiation of a red blood cell?

Correct AnswerverifiedShow Answer

Tom has a condition in which the endothelial lining of his blood vessels cannot secrete prostacyclin (PGI₂) . How will this affect his blood?

Correct AnswerverifiedShow Answer

In an adult, red blood cells are produced primarily in the ________.

Correct AnswerverifiedShow Answer

Athletes abuse erythropoeitin (EPO) because it

Correct AnswerverifiedShow Answer

A condition occurs where the number of basophils in the blood drastically decreases. Which of the following would directly result from the loss of basophils?

Correct AnswerverifiedShow Answer

Diapedesis is

Correct AnswerverifiedShow Answer

Persons with type AB blood are sometimes called universal donors.

Correct AnswerverifiedFalse

An abnormally low white blood cell count is called ________.

Correct AnswerverifiedShow Answer

Vitamin B₁₂ is poorly absorbed in the absence of

Correct AnswerverifiedC

Correct Answer
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Correct Answer
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Correct Answer
verified
C

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Correct Answer
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False

Correct Answer
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Correct Answer
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C