Homework assignment

QUESTION 1

  1. Which of the following statements is not true about performing an accurate sed rate procedure?
a. Test should be set up within three hours after the blood is drawn.
b. Test is conducted at 50 degrees.
c. Tube must be read at exactly two hours.
d. Counter must be free of vibrations.

1 points   

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QUESTION 2

  1. Match the lettered hematocrit tube layers with their appropriate label.

                                                              – a. b. c. d. e. Buffy layer
                                                              – a. b. c. d. e. Plasma
                                                              – a. b. c. d. e. RBC layer
                                                              – a. b. c. d. e. Clay sealant
                                                              – a. b. c. d. e. Air
a. Label A
b. Label C
c. Label D
d. Label B
e. Label E

5 points   

QUESTION 3

  1. Match the definitions with the appropriate term.
                                                   – a. b. c. d. anisocytosis
                                                   – a. b. c. d. hypochromic
                                                   – a. b. c. d. poikilocytosis
                                                   – a. b. c. d. polychromatic
a. cells have many colors
b. cells show marked variation in shape
c. cells have decreased
d. cells show marked variation in size

4 points   

QUESTION 4

  1. The anticoagulant and Vacutainer tube used for most hematology testing in a reference lab is ____.
a. heparin in a green top tube
b. EDTA in a lavender top tube
c. EDTA in a green top tube
d. No anticoagulant is needed for hematology tests
e. heparin in a lavender top tube

1 points   

QUESTION 5

  1. The CBC generally includes all of the following except ____.
a. hemoglobin
b. hematocrit
c. ESR
d. RBC count

1 points   

QUESTION 6

  1. Which of the following is the normal range of values for hemoglobin of the adult female?
a. 13-18 g/dl
b. 12-14 g/dl
c. 9-14 g/dl
d. 12-16 g/dl

1 points   

QUESTION 7

  1. Match the following tests with their possible reference ranges. (Hint: Think of what each measures, and look at the units as well as the numerical ranges.)
                                        – a. b. c. Hemoglobin
                                        – a. b. c. Hematocrit
                                        – a. b. c. ESR
a. 0 to 20 mm/hour
b. 36% to 55%
c. 12 to 18 gm/dL

3 points   

QUESTION 8

  1. The erythrocyte indices ____.
a. allow for calculations of oxygen in hemoglobin
b. provide information for hematocrit
c. compare the RBC count to the WBC count
d. aid in diagnosing anemia classifications

1 points   

QUESTION 9

  1. Match each RBC index with its ratio and reference range.
                                        – a. b. c. MCV (mean cell volume)
                                        – a. b. c. MCHC (mean cell hemoglobin concentration)
                                        – a. b. c. MCH (mean cell hemoglobin)
a. HCT/RBC (82-98 micrometers/Fl)
b. Hgb/HCT (31-37% or gm/dL)
c. Hgb/RBC (26-34 pg)

3 points   

QUESTION 10

  1. Which of the following statements regarding the making and staining of a blood smear is true?
a. When identifying cells, one should note the size, shape, and color of the blood cell, its nucleus, and its cytoplasm.
b. Medical assistants are qualified to read and report a stained blood smear.
c. Blood cells are observed and identified under the low-power lens of the microscope.
d. A properly done blood smear will have a blunt edge at the end of the smear and a thinner distribution of blood cells in the heel of the slide.

1 points   

QUESTION 11

  1. When obtaining a capillary sample, the tube should be ________ full.
a. 1/4
b. 3/4
c. 1/2
d. None of the above

1 points   

QUESTION 12

  1. The major component in the erythrocyte that carries oxygen is ____.
a. hematocrit
b. plasma
c. hemoglobin
d. protein

1 points   

QUESTION 13

  1. Which of the following best describe the normal hematocrit values for the adult male?
a. 40%-45%
b. 40%-55%
c. 36%-46%
d. 30%-40%

1 points   

QUESTION 14

  1. Match each anemia with its cause.
                                                              – a. b. c. d. e. Sickle cell anemia
                                                              – a. b. c. d. e. Aplastic anemia
                                                              – a. b. c. d. e. Pernicious anemia
                                                              – a. b. c. d. e. Hemolytic anemia
                                                              – a. b. c. d. e. Iron deficiency anemia
a. Destruction of stem cells in bone marrow from toxins
b. Destruction of circulating RBCs
c. Inherited abnormal hemoglobin S
d. Seen with blood loss (menses, ulcers, hemorrhaging)
e. Caused by decreased vitamin B 12

5 points   

QUESTION 15

  1. A blood hematocrit is defined as the volume of ________ in a given volume of blood.
a. monocytes
b. thrombocytes
c. leukocytes
d. erythrocytes

1 points   

QUESTION 16

  1. Match the following CBC pathological terms.
                                                              – a. b. c. d. e. Leukopenia
                                                              – a. b. c. d. e. Polycythemia
                                                              – a. b. c. d. e. Leukocytosis
                                                              – a. b. c. d. e. Anemia
                                                              – a. b. c. d. e. Leukemia
a. Abnormal decrease in RBCs
b. Abnormal increase in RBCs
c. Abnormal increase in WBCs
d. Cancer of the WBCs
e. Abnormal decrease in WBCs

 

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