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Exam & Evaluation (Understanding the CBC)
 
Questions: Please respond to following statements.

1 The average adult has approximately how many liters of blood?
  2
  3
  5
  7
2 The ratio of plasma to formed blood cell elements is:
  1:2
  2:2
  3:2
  5:3
3 Which of the following types of blood cells is most numerous in the bloodstream?
   White blood cells
  Red blood cells
  Platelet
4 The hormone erythropoetin is secreted by the kidney and stimulates the bone marrow to produce:
  Platelets
  White blood cells
  Plasma
  Red blood cells
5 Which of the following conditions is considered a primary polycythemia?
   Polycythemia vera
  Chronic liver disease
  Acute myelogenous leukemia
  Hemolytic anemia
6 A patient who has had a recent blood loss would normally have an increase in which type of blood cell component?
  Basophils
  Eosinophils
  Reticulocytes
  Band cells
7 The test that is done most often to determine blood loss is:
  Red blood cell count
  Hemoglobin
  Hematocrit
  Platelet count
8 The approximate hemoglobin level for a patient who has a hematocrit of 30% is:
  8 g
  10 g
  12 g
  15 g
9 Which of the following situations may increase the eosinophil count?
  An allergic reaction
  Corticosteroid therapy
  A viral infection
  A bacterial infection
10 Which of these cell types is responsible for immunoglobulin production?
  Band or stab cells
  Neutrophils
  Lymphocytes
  Monocytes
11 Which of the following indicates a shift to the left on a WBC differential?
  Decease in lymphocytes
  Increase in eosinophils
  Increase in stabs or band cells
  Decrease in neutrophils
12 A young healthy female patient has a hemoglobin of 17 gm. Which of the following events is most likely to account for this value?
  Bed rest for five days due to influenza
  Third trimester pregnancy
  Travel for two weeks at a high altitude
  A diet high in protein and iron
13 The normal lifespan of a red blood cell is:
  30 days
  60 days
  90 days
  120 days
14 Physiological anemia of pregnant refers to a normal drop in hemoglobin that occurs during the:
  1st trimester
  2nd trimester
  3rd trimester
  two weeks after delivery
15 In response to infection, white blood cells stimulate the bone marrow to produce more white blood cells by secreting:
  Erthyropoietin
  T lymphocytes
  Colony stimulating factor
  Macrophages
16 Patients with which of the following types of anemia have a high amount of fetal hemoglobin?
  Pernicious anemia
  Sickle cell anemia
  Thalassemia major
  Iron deficiency anemia
17 Anemia in premature infants most often occurs because:
  Red blood cells have a short life span in newborns
  Infants make few red blood cells in the first few weeks of life
  Premature infants are unable to consume iron
  Multiple lab tests necessary for treatment monitoring cause blood loss
18 The primary harmful effect of anemia is:
  Pale conjunctiva
  Tissue hypoxia
  Susceptibility to easy bruising
  Fatigue
19 Which type of cell helps the body resist antigens by releasing heparin and histamine?
  Basophils
  Monocytes
  Eosinophils
  Neutrophils
20 Which of the following hemoglobin results is abnormal in a woman of any age?
  8 gm
  12 gm
  14 gm
21 Which laboratory study measures the average size of red blood cells?
  MCV
  MCH
  MCHC
  RBC
22 Which type of cell is the first line of defense against bacterial infection?
  Basophils
  Monocytes
  Neutrophils
  Platelets
23 Polycythemia vera increases the risk of venous thrombosis.
True     False
24 A patient with iron deficiency anemia is likely to have a normocytic, normochromic form of anemia.
True     False
25 Scrupulous handwashing is the most effective method of preventing a life threatening infection in a patient with severe neutropenia.
True     False
26 "Nadir" is the term used the describe the lowest white blood cell count before the count starts to rise in a patient receiving chemotherapy.
True     False
27 Monocytes produce the antiviral substance interferon.
True     False
28 The nurse can use the "tilt test" to assess the cardiovascular effects of anemia before having a patient perform activities.
True     False
29 Fresh fruits and raw vegetables are eliminated from the diet of a patient with severe neutropenia to lessen the chance of infection.
True     False
30 Which of the following laboratory measurements is used to assess the effectiveness of glucose control in people with diabetes?
  HCT
  MCV
  MCHC
  HGB A-1-C
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