Question 1

Persons with type AB blood are sometimes called universal donors.

Accepted Answer

A) True 
 B)False  False

Question 2

Vitamin B₁₂ is poorly absorbed in the absence of

Accepted Answer

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

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) Monocytes 
A) Red blood cells 
B) Eosinophils 
C) Neutrophils 
D) Monocytes C

Question 4

Thrombocytopenia is due to a deficiency of

Accepted Answer

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

Question 5

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. 
A) neutrophils, eosinophils, and basophils. 
B) bacteria, white blood cells, and damaged cells. 
C) mucus, sputum, and platelets. 
D) water, serum, and fibers.

Question 6

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 7

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

Accepted Answer

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

Question 8

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. 
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.

Question 9

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, erythrocyte 
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, erythrocyte

Question 10

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. 
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.

Question 11

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 12

An abnormally low white blood cell count is called ________.

Accepted Answer

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

Question 13

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. 
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.

Question 14

Nonprotein nitrogenous substances include

Accepted Answer

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

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. 
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.

Question 16

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. 
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.

Question 17

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%. 
A) 15%. 
B) 30%. 
C) 45%. 
D) 60%.

Question 18

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. 
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.

Question 19

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. 
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.

Question 20

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 lymphocytes 
A) T cells and B cells 
B) Erythrocytes and platelets 
C) Neutrophils and basophils 
D) Monocytes and lymphocytes

Exam 14: Blood

Persons with type AB blood are sometimes called universal donors.

Vitamin B₁₂ is poorly absorbed in the absence of

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?

Thrombocytopenia is due to a deficiency of

Pus is composed of

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

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

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

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

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

An abnormally low white blood cell count is called ________.

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

Nonprotein nitrogenous substances include

Athletes abuse erythropoeitin (EPO)because it

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

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

Diapedesis is

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?

Which two mature blood cell types descend from myeloblasts?

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

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