Question 1

Mature RBCs that are larger than normal are called:

Accepted Answer

A)  macrocytic. 
B)  microcytic. 
C)  ovalocytic. 
D)  normocytic. 
A)  macrocytic. 
B)  microcytic. 
C)  ovalocytic. 
D)  normocytic.

Question 2

The most popular anticoagulant used to prevent clotting in order to perform a coagulation test (e.g.,prothrombin time)is:

Accepted Answer

A)  EDTA. 
B)  heparin. 
C)  sodium fluoride. 
D)  sodium citrate. 
A)  EDTA. 
B)  heparin. 
C)  sodium fluoride. 
D)  sodium citrate.

Question 3

One of the most frequent conditions in which hypochromic,microcytic RBCs can be observed is ____ anemia.

Accepted Answer

A)  iron deficiency 
B)  pernicious 
C)  sickle cell 
D)  either iron deficiency or sickle cell 
A)  iron deficiency 
B)  pernicious 
C)  sickle cell 
D)  either iron deficiency or sickle cell

Question 4

The reference range of the microhematocrit in adult males is:

Accepted Answer

A)  32% to 36%. 
B)  36% to 45%. 
C)  41.5% to 50.4%. 
D)  45% to 55.5%. 
A)  32% to 36%. 
B)  36% to 45%. 
C)  41.5% to 50.4%. 
D)  45% to 55.5%.

Question 5

Mature platelets are brightly colored oval bodies on a peripheral blood smear.

Accepted Answer

A) True 
 B)False

Question 6

When the concentration of a salt solution is equal inside and outside of an RBC,it is:

Accepted Answer

A)  isotonic. 
B)  hypotonic. 
C)  hypertonic. 
D)  equaltonic. 
A)  isotonic. 
B)  hypotonic. 
C)  hypertonic. 
D)  equaltonic.

Question 7

The RBC distribution width is:

Accepted Answer

A)  measurement of the degree of anisocytosis present. 
B)  measurement of the degree of RBC size variability. 
C)  abbreviated as RDW. 
D)  all of the above. 
A)  measurement of the degree of anisocytosis present. 
B)  measurement of the degree of RBC size variability. 
C)  abbreviated as RDW. 
D)  all of the above.

Question 8

Platelets act as plugs around the opening of a wound.

Accepted Answer

A) True 
 B)False

Question 9

Match the adult mean reference value (%) with each of the leukocyte types.
-basophils

Accepted Answer

A) 0.5 
B) 59 
C) 3 
D) 4-6 
E) 34 
A) 0.5 
B) 59 
C) 3 
D) 4-6 
E) 34

Question 10

Match the following granulocyte alterations with an appropriate description.
-toxic granulation

Accepted Answer

A) composed of lysosomal materials and fused primary granules 
B) associated with acute bacterial infections 
C) pale blue inclusions associated with burns 
A) composed of lysosomal materials and fused primary granules 
B) associated with acute bacterial infections 
C) pale blue inclusions associated with burns

Question 11

Neutrophils,eosinophils,and monocytes act as:

Accepted Answer

A)  antibody producers. 
B)  inactivators of foreign antigens. 
C)  phagocytic scavengers. 
D)  both a and b. 
A)  antibody producers. 
B)  inactivators of foreign antigens. 
C)  phagocytic scavengers. 
D)  both a and b.

Question 12

Match the RBC indices term with the appropriate equation.
-mean corpuscular hemoglobin

Accepted Answer

A) $ (f L)=\frac{\operatorname{Hct} \times 10}{\operatorname{RBC}} $ 
B) $ (p g)=\frac{\mathrm{Hb} \times 10}{\mathrm{RBC}} $ 
C) $ (g / d L)=\frac{H b}{H c t} \times 100 $ 
A) $ (f L)=\frac{\operatorname{Hct} \times 10}{\operatorname{RBC}} $ 
B) $ (p g)=\frac{\mathrm{Hb} \times 10}{\mathrm{RBC}} $ 
C) $ (g / d L)=\frac{H b}{H c t} \times 100 $

Question 13

Less than ____% of the bone marrow consists of stem cells.

Accepted Answer

A)  0.5 
B)  1 
C)  10 
D)  50 
A)  0.5 
B)  1 
C)  10 
D)  50

Question 14

Match the cellular characteristic with the appropriate cell type.
-eosinophil

Accepted Answer

A) usually the most numerous of the mature leukocytes (WBCs) 
B) dark-purple or black granules in the cytoplasm 
C) orange granules in the cytoplasm 
D) cytoplasm usually stains a light blue 
E) the largest mature WBC 
A) usually the most numerous of the mature leukocytes (WBCs) 
B) dark-purple or black granules in the cytoplasm 
C) orange granules in the cytoplasm 
D) cytoplasm usually stains a light blue 
E) the largest mature WBC

Question 15

The maximum allowable time for determination of a WBC count,microhematocrit,or platelet count using blood that has been collected in EDTA is ____ hours,if it is refrigerated at 4° C.

Accepted Answer

A)  4 
B)  8 
C)  24 
D)  48 
A)  4 
B)  8 
C)  24 
D)  48

Question 16

Hemoglobin consists of:

Accepted Answer

A)  heme. 
B)  iron-containing portion of the molecule. 
C)  globin (protein-containing portion of the molecule). 
D)  all of the above. 
A)  heme. 
B)  iron-containing portion of the molecule. 
C)  globin (protein-containing portion of the molecule). 
D)  all of the above.

Question 17

Match the errors in staining with the appropriate description.
-pH of the staining system is too acidic

Accepted Answer

A) if the pH of the staining system is too alkaline, the parts of the cells taking up basic dye will be overstained, giving an overall blue effect, with very dark blue to black nuclear chromatin and bluish RBCs 
B) parts of the cell taking up acidic dye will be overstained and will appear too red, while the parts of the cells taking up basic dye will appear pale 
C) an excessively blue appearance on gross examination 
D) improper washing (not washing enough to remove the metallic scum) 
A) if the pH of the staining system is too alkaline, the parts of the cells taking up basic dye will be overstained, giving an overall blue effect, with very dark blue to black nuclear chromatin and bluish RBCs 
B) parts of the cell taking up acidic dye will be overstained and will appear too red, while the parts of the cells taking up basic dye will appear pale 
C) an excessively blue appearance on gross examination 
D) improper washing (not washing enough to remove the metallic scum)

Question 18

Match the following categories of microscopic observations of RBCs with the appropriate example.
-variation in RBC color

Accepted Answer

A) Howell-Jolly body 
B) schistocyte 
C) hypochromia 
D) macrocytes 
A) Howell-Jolly body 
B) schistocyte 
C) hypochromia 
D) macrocytes

Question 19

Examination of a blood smear should begin using 10× objective where the RBCs are:

Accepted Answer

A)  spread far apart. 
B)  just touching each other or barely overlapping. 
C)  clumped together. 
D)  it doesn't matter. 
A)  spread far apart. 
B)  just touching each other or barely overlapping. 
C)  clumped together. 
D)  it doesn't matter.

Question 20

Match the following categories of microscopic observations of RBCs with the appropriate example.
-an RBC inclusion

Accepted Answer

A) Howell-Jolly body 
B) schistocyte 
C) hypochromia 
D) macrocytes 
A) Howell-Jolly body 
B) schistocyte 
C) hypochromia 
D) macrocytes

Mature RBCs that are larger than normal are called:

The most popular anticoagulant used to prevent clotting in order to perform a coagulation test (e.g.,prothrombin time)is:

One of the most frequent conditions in which hypochromic,microcytic RBCs can be observed is ____ anemia.

The reference range of the microhematocrit in adult males is:

Mature platelets are brightly colored oval bodies on a peripheral blood smear.

When the concentration of a salt solution is equal inside and outside of an RBC,it is:

The RBC distribution width is:

Platelets act as plugs around the opening of a wound.

Match the adult mean reference value (%) with each of the leukocyte types. -basophils

Match the following granulocyte alterations with an appropriate description. -toxic granulation

Neutrophils,eosinophils,and monocytes act as:

Match the RBC indices term with the appropriate equation. -mean corpuscular hemoglobin

Less than ____% of the bone marrow consists of stem cells.

Match the cellular characteristic with the appropriate cell type. -eosinophil

The maximum allowable time for determination of a WBC count,microhematocrit,or platelet count using blood that has been collected in EDTA is ____ hours,if it is refrigerated at 4° C.

Hemoglobin consists of:

Match the errors in staining with the appropriate description. -pH of the staining system is too acidic

Match the following categories of microscopic observations of RBCs with the appropriate example. -variation in RBC color

Examination of a blood smear should begin using 10× objective where the RBCs are:

Match the following categories of microscopic observations of RBCs with the appropriate example. -an RBC inclusion

Fundamentals of the Clinical Laboratory

Safety in the Clinical Laboratory

Quality Assessment and Quality Control in the Clinical Laboratory

Phlebotomy: Collecting and Processing Blood

The Microscope

Systems of Measurement, laboratory Equipment, and Reagents

Laboratory Mathematics and Solution Preparation

Basic and New Techniques in the Clinical Laboratory

Delivery of Laboratory Testing From Point of Care to Total Automation

Introduction to Clinical Chemistry

Introduction to Hemostasis

Renal Physiology and Urinalysis

Examination of Body Fluids and Miscellaneous Specimens

Introduction to Microbiology

Immunology and Serology

Immunohematology and Transfusion Medicine

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Exam 11: Principles and Practice of Clinical Hematology

Mature RBCs that are larger than normal are called:

The most popular anticoagulant used to prevent clotting in order to perform a coagulation test (e.g.,prothrombin time)is:

One of the most frequent conditions in which hypochromic,microcytic RBCs can be observed is ____ anemia.

The reference range of the microhematocrit in adult males is:

Mature platelets are brightly colored oval bodies on a peripheral blood smear.

When the concentration of a salt solution is equal inside and outside of an RBC,it is:

The RBC distribution width is:

Platelets act as plugs around the opening of a wound.

Match the adult mean reference value (%) with each of the leukocyte types. -basophils

Match the following granulocyte alterations with an appropriate description. -toxic granulation

Neutrophils,eosinophils,and monocytes act as:

Match the RBC indices term with the appropriate equation. -mean corpuscular hemoglobin

Less than ____% of the bone marrow consists of stem cells.

Match the cellular characteristic with the appropriate cell type. -eosinophil

The maximum allowable time for determination of a WBC count,microhematocrit,or platelet count using blood that has been collected in EDTA is ____ hours,if it is refrigerated at 4° C.

Hemoglobin consists of:

Match the errors in staining with the appropriate description. -pH of the staining system is too acidic

Match the following categories of microscopic observations of RBCs with the appropriate example. -variation in RBC color

Examination of a blood smear should begin using 10× objective where the RBCs are:

Match the following categories of microscopic observations of RBCs with the appropriate example. -an RBC inclusion

Fundamentals of the Clinical Laboratory

Safety in the Clinical Laboratory

Quality Assessment and Quality Control in the Clinical Laboratory

Phlebotomy: Collecting and Processing Blood

The Microscope

Systems of Measurement, laboratory Equipment, and Reagents

Laboratory Mathematics and Solution Preparation

Basic and New Techniques in the Clinical Laboratory

Delivery of Laboratory Testing From Point of Care to Total Automation

Introduction to Clinical Chemistry

Introduction to Hemostasis

Renal Physiology and Urinalysis

Examination of Body Fluids and Miscellaneous Specimens

Introduction to Microbiology

Immunology and Serology

Immunohematology and Transfusion Medicine

Filters