Question 1

A blood clot that breaks loose and travels in the blood is called a(n) __________.

Accepted Answer

The answer of A blood clot that breaks loose and...

Question 2

What is the correct order of events that occur following an injury to a blood vessel?

Accepted Answer

A)   Vascular spasm; platelet plug formation; blood clot formation
B)   Platelet plug formation; blood clot formation; vascular spasm
C)   Platelet plug formation; vascular spasm; blood clot formation
D)   Blood clot formation; vascular spasm; platelet plug formationE) A) and C)
F) A) and D)

Question 3

Formed elements of the blood include proteins, cells, and cell fragments.

Accepted Answer

A) True 
 B)False

Question 4

What must occur in order for a blood clot to form?

Accepted Answer

A)   Fibrinogen is converted to fibrin.
B)   Thrombin activates prothrombin.
C)   Vitamin K converts fibrin to fibrinogen.
D)   Red blood cells are activiated by platelets.E) A) and B)
F) B) and D)

Question 5

Name the hormone that stimulates red blood cell formation.

Accepted Answer

A)   Erythropoietin
B)   Interleukin
C)   Colony-stimulating factor
D)   ThrombopoietinE) B) and C)
F) A) and B)

Question 6

What type of leukocyte is the largest of the WBCs, accounting for 3% to 9% of circulating WBCs?

Accepted Answer

A)   Basophils
B)   Eosinophils
C)   Lymphocytes
D)   Monocytes
E)   NeutrophilsF) C) and D)
G) A) and B)

Question 7

The most common blood type in the United States has which type(s)  of antibodies in its plasma?

Accepted Answer

A)   Anti-A antibodies only
B)   Anti-B antibodies only
C)   Both anti-A and anti-B antibodies
D)   Neither anti-A nor anti-B antibodiesE) A) and D)
F) All of the above

Question 8

What two vitamins are essential for DNA synthesis and therefore significantly influence red blood cell production?

Accepted Answer

A)   Vitamins A and D
B)   Folic acid and vitamin B 12
C)   Vitamins A and C
D)   Vitamins K and B 12
E)   Folic acid and vitamin DF) B) and E)
G) B) and D)

Question 9

What is the result of mixing anti-A antibodies with type A red blood cells?

Accepted Answer

A)   Nothing
B)   Coagulation
C)   Agglutination
D)   HemorrageE) B) and C)
F) All of the above

Question 10

Plasma is about 50% water and 50% dissolved substances.

Accepted Answer

A) True 
 B)False

Question 11

How are platelets described?

Accepted Answer

A)   Giant, multinucleated cells
B)   Fragments of cells
C)   Immature leukocytes
D)   Stem cellsE) None of the above
F) A) and B)

Question 12

What feature of erythrocytes (RBCs)  provides increased surface area for oxygen diffusion?

Accepted Answer

A)   Presence of microvilli
B)   Biconcave shape
C)   Overlapping folds in the plasma membrane
D)   Presence of antigensE) None of the above
F) A) and B)

Question 13

What type of leukocyte leaves the circulation and becomes a macrophage?

Accepted Answer

A)   Basophils
B)   Eosinophils
C)   Lymphocytes
D)   Monocytes
E)   NeutrophilsF) C) and E)
G) D) and E)

Question 14

In the inherited disorder called __________, the small intestine absorbs many times the normal amount of iron, leading to a toxic buildup in body tissues.

Accepted Answer

A)   hemochromatosis
B)   polycythemia
C)   thrombocytopenia
D)   hemolytic anemiaE) B) and C)
F) C) and D)

Question 15

In general, red blood cells are larger than white blood cells.

Accepted Answer

A) True 
 B)False

Question 16

What blood group antibodies are present in type O blood?

Accepted Answer

A)   Anti-A antibodies only
B)   Anti-B antibodies only
C)   Both anti-A and anti-B antibodies
D)   Neither anti-A nor anti-B antibodiesE) B) and D)
F) None of the above

Question 17

Name the stem cell from which all formed elements are produced.

Accepted Answer

A)   Megakaryoblast
B)   Myeloblast
C)   Hemocytoblast
D)   Lymphoid stem cellE) All of the above
F) B) and C)

Question 18

What is the value for a normal white blood cell count?

Accepted Answer

A)   400-1,100 cells per microliter of blood
B)   4,000-11,000 cells per microliter of blood
C)   40,000-110,000 cells per microliter of blood
D)   4,000,000-11,000,000 cells per microliter of bloodE) A) and C)
F) A) and B)

Question 19

An increased blood concentration of __________ can result in a condition called cyanosis.3-19-2013

Accepted Answer

A)   deoxyhemoglobin
B)   oxyhemoglobin
C)   carbon dioxide
D)   oxygenE) None of the above
F) C) and D)

Question 20

When hemoglobin molecules are broken down, a greenish pigment called __________ is formed.

Accepted Answer

The answer of When hemoglobin molecules are broken down, a...

Exam 12: Blood

An increased blood concentration of __________ can result in a condition called cyanosis.3-19-2013

Correct AnswerverifiedShow Answer

What two vitamins are essential for DNA synthesis and therefore significantly influence red blood cell production?

Correct AnswerverifiedShow Answer

What is the result of mixing anti-A antibodies with type A red blood cells?

Correct AnswerverifiedShow Answer

A blood clot that breaks loose and travels in the blood is called a(n) __________.

Correct AnswerverifiedShow Answer

In the inherited disorder called __________, the small intestine absorbs many times the normal amount of iron, leading to a toxic buildup in body tissues.

Correct AnswerverifiedShow Answer

Name the stem cell from which all formed elements are produced.

Correct AnswerverifiedShow Answer

In general, red blood cells are larger than white blood cells.

Correct AnswerverifiedShow Answer

What type of leukocyte is the largest of the WBCs, accounting for 3% to 9% of circulating WBCs?

Correct AnswerverifiedShow Answer

What feature of erythrocytes (RBCs) provides increased surface area for oxygen diffusion?

Correct AnswerverifiedShow Answer

What is the correct order of events that occur following an injury to a blood vessel?

Correct AnswerverifiedShow Answer

When hemoglobin molecules are broken down, a greenish pigment called __________ is formed.

Correct AnswerverifiedShow Answer

What type of leukocyte leaves the circulation and becomes a macrophage?

Correct AnswerverifiedShow Answer

The most common blood type in the United States has which type(s) of antibodies in its plasma?

Correct AnswerverifiedShow Answer

Plasma is about 50% water and 50% dissolved substances.

Correct AnswerverifiedShow Answer

What is the value for a normal white blood cell count?

Correct AnswerverifiedShow Answer

Name the hormone that stimulates red blood cell formation.

Correct AnswerverifiedShow Answer

Formed elements of the blood include proteins, cells, and cell fragments.

Correct AnswerverifiedShow Answer

How are platelets described?

Correct AnswerverifiedShow Answer

What blood group antibodies are present in type O blood?

Correct AnswerverifiedShow Answer

What must occur in order for a blood clot to form?

Correct AnswerverifiedShow Answer

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