Question 1

The test that determines the percentages of various types of leukocytes in a blood sample is the _____ white blood cell count.

Accepted Answer

The answer of The test that determines the percentages of...

Question 2

The most important action of plasma albumin is

Accepted Answer

A)   acting as antibodies of immunity.
B)   transporting lipids and fat-soluble vitamins.
C)   serving as energy sources.
D)   helping maintain colloid osmotic pressure.E) A) and B)
F) A) and C)

Question 3

Platelets are best described as

Accepted Answer

A)   giant, multinucleated cells.
B)   immature leukocytes.
C)   cytoplasmic fragments of cells.
D)   lymphoid cells.E) A) and D)
F) B) and C)

Question 4

Plasma contains fibrinogen, serum does not.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following usually accounts for the smallest percentage of leukocytes in a blood sample?

Accepted Answer

A)   Monocytes
B)   Eosinophils
C)   Basophils
D)   NeutrophilsE) A) and B)
F) None of the above

Question 6

The distribution of ABO blood types among Korean Americans differs markedly from that of Native Americans in that

Accepted Answer

A)   Native Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Korean Americans have mostly type O, with type AB very rare.
B)   nearly all Korean Americans are blood types A or B.
C)   nearly all Native Americans are type AB, with very few type O.
D)   Korean Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Native Americans have mostly type O, with type AB very rare.E) A) and C)
F) All of the above

Question 7

The normal white blood cell count is

Accepted Answer

A)   500-1,000 cells per microliter of blood.
B)   4,500-10,000 cells per microliter of blood.
C)   45,000-100,000 cells per microliter of blood.
D)   5,000,000-10,000,000 cells per microliter of blood.E) A) and B)
F) A) and C)

Question 8

Thrombocytopenia is due to a deficiency of

Accepted Answer

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

Question 9

What is the substance in tea that binds iron, reducing the amount absorbed?

Accepted Answer

A)   Ascorbic acid
B)   Caffeine
C)   Folic acid
D)   Tannic acidE) A) and D)
F) None of the above

Question 10

Which plasma protein is accurately described?

Accepted Answer

A)   Albumin-blood clot formation
B)   Gamma globulin-maintaining blood osmotic pressure
C)   Fibrinogen-transport of lipids and fat-soluble vitamins
D)   Beta globulins-transport of lipids and fat-soluble vitaminsE) B) and C)
F) A) and D)

Question 11

Vitamin B is important for the production of red blood cells because it is utilized in the synthesis of __________ .

Accepted Answer

The answer of Vitamin B is important for the production...

Question 12

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) B) and D)
F) C) and D)

Question 13

The red blood cells of type AB blood have on their surfaces

Accepted Answer

A)   antigens A and B.
B)   antigen A only.
C)   antigen B only.
D)   neither antigens A nor B.E) A) and B)
F) C) and D)

Question 14

Cyanosis is caused by an increased blood concentration of

Accepted Answer

A)   deoxyhemoglobin.
B)   oxyhemoglobin.
C)   carbon dioxide.
D)   carbon monoxide.E) A) and D)
F) C) and D)

Question 15

Which of the following are most active as phagocytes?

Accepted Answer

A)   Erythrocytes
B)   Neutrophils
C)   Basophils
D)   EosinophilsE) All of the above
F) C) and D)

Question 16

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 17

Blood vessel spasms following an injury are stimulated by

Accepted Answer

A)   parasympathetic impulses.
B)   the formation of a fibrin clot.
C)   serotonin released from platelets.
D)   the release of heparin from eosinophils.E) A) and B)
F) C) and D)

Question 18

Blood is a type of epithelial tissue.

Accepted Answer

A) True 
 B)False

Question 19

What percentage of the US population is Rh negative?

Accepted Answer

A)   1.5% of Caucasians and 5% of African Americans
B)   5% of Caucasians and 5% of African Americans
C)   15% of Caucasians and 5% of African Americans
D)   25% of the total populationE) A) and B)
F) A) and C)

Question 20

Petechiae are a symptom of

Accepted Answer

A)   anemia.
B)   thrombocytopenia.
C)   leukemia.
D)   hemophilia.E) A) and C)
F) B) and C)

Exam 14: Blood

The test that determines the percentages of various types of leukocytes in a blood sample is the _____ white blood cell count.

Correct AnswerverifiedShow Answer

Which of the following are most active as phagocytes?

Correct AnswerverifiedShow Answer

Thrombocytopenia is due to a deficiency of

Correct AnswerverifiedShow Answer

Which plasma protein is accurately described?

Correct AnswerverifiedShow Answer

What percentage of the US population is Rh negative?

Correct AnswerverifiedShow Answer

Diapedesis is

Correct AnswerverifiedShow Answer

The most important action of plasma albumin is

Correct AnswerverifiedShow Answer

Plasma contains fibrinogen, serum does not.

Correct AnswerverifiedShow Answer

Cyanosis is caused by an increased blood concentration of

Correct AnswerverifiedShow Answer

Petechiae are a symptom of

Correct AnswerverifiedShow Answer

The distribution of ABO blood types among Korean Americans differs markedly from that of Native Americans in that

Correct AnswerverifiedShow Answer

Blood vessel spasms following an injury are stimulated by

Correct AnswerverifiedShow Answer

The red blood cells of type AB blood have on their surfaces

Correct AnswerverifiedShow Answer

Platelets are best described as

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

Vitamin B is important for the production of red blood cells because it is utilized in the synthesis of __________ .

Correct AnswerverifiedShow Answer

Which of the following usually accounts for the smallest percentage of leukocytes in a blood sample?

Correct AnswerverifiedShow Answer

The normal white blood cell count is

Correct AnswerverifiedShow Answer

Blood is a type of epithelial tissue.

Correct AnswerverifiedShow Answer

What is the substance in tea that binds iron, reducing the amount absorbed?

Correct AnswerverifiedShow Answer

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