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HEAL 214 > Chapter 40 > Flashcards

Chapter 40 Flashcards

1
Q

When placing the sealed tubes into the microhematocrit centrifuge, what must be done before closing the lid?

a. Place the tubes opposite each other, balancing each other across the centrifuge.	
b. Determine the average values.	
c. Place the tubes in slots next to each other.	
d. Set the timer and adjust the speed.
A

a. Place the tubes opposite each other, balancing each other across the centrifuge.

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2
Q

Which of the following best describes a hematocrit test?

a. Requires a large amount of blood	
b. Ratio of the volume of packed red blood cells	
c. Measures the total volume of WBCs	
d. Requires filling one capillary tube
A

b. Ratio of the volume of packed red blood cells

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3
Q

Which of the following blood cells is NOT a granulocyte?

a. Basophil	
b. Neutrophil	
c. Lymphocyte	
d. Eosinophil
A

c. Lymphocyte

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4
Q

WBCs are divided into two basic groups known as what?

a. Granulocytes and agranulocytes	
b. Polymorphonuclear and apolymorphonuclear	
c. Granulocytes and cytoplasm	
d. Mononuclear and agranulocytes
A

a. Granulocytes and agranulocytes

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5
Q

Which of the following is the most common type of hemoglobin disease seen in ambulatory care?

a. Iron deficiency anemia	
b. Pernicious anemia	
c. Hypovolemia	
d. Sickle cell anemia
A

a. Iron deficiency anemia

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6
Q

Which of the following statements is false about disease states and cell changes?

a. Viral infections are associated with increased red blood cells.	
b. Infectious mononucleosis shows increased lymphocytes.	
c. Appendicitis causes increased neutrophils.	
d. Iron deficiency anemia shows hypochromic red blood cells.
A

a. Viral infections are associated with increased red blood cells.

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7
Q

Which of the following best describes erythrocyte indices?

a. Provides information for hematocrit	
b. Abbreviated MCV, MCA, and MCC	
c. Allows for calculations of oxygen in hemoglobin	
d. Calculations that provide size and hemoglobin content of RBCs
A

d. Calculations that provide size and hemoglobin content of RBCs

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8
Q

Which of the following is the hormone required for the production of new red blood cells?

a. Hemoglobin	
b. Hematopoietin	
c. Erythropoietin	
d. Plasma
A

c. Erythropoietin

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9
Q

Which of the following is NOT generally included in the complete blood count (CBC)?

a. Hemoglobin determination	
b. Erythrocyte sedimentation rate	
c. Red blood cell (RBC) count	
d. Hematocrit determination
A

b. Erythrocyte sedimentation rate

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10
Q

Leukocytes provide specific disease-fighting functions in the blood. Which one of the following is NOT one of them?

a. Immune response	
b. Detoxification	
c. Coagulation	
d. Phagocytosis
A

c. Coagulation

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11
Q

Which of the following is the normal range of values for hemoglobin of adult women?

a. 12–16 g/dl	
b. 12–14 g/dl	
c. 9–14 g/dl	
d. 13–18 g/dl
A

a. 12–16 g/dl

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12
Q

Which of the following is required for the synthesis of the heme portion of the hemoglobin molecule?

a. Calcium	
b. Carbon dioxide	
c. Phosphorus	
d. Iron
A

d. Iron

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13
Q

Which of the following is the normal value for a platelet count?

a. 400,000–600,000	
b. 50,000–100,000	
c. 150,000–450,000	
d. 20,000–50,000
A

c. 150,000–450,000

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14
Q

When the “sed rate” increases, it detects what type of disease/condition?

a. Inflammatory disease	
b. Acute stress	
c. Lupus	
d. All the above
A

d. All the above

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15
Q

Which of the following is the most numerous of the white blood cells?

a. Monocytes	
b. Neutrophils	
c. Lymphocytes	
d. Eosinophils
A

b. Neutrophils

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16
Q

What type of blood is used for the microhematocrit test?

a. Capillary	
b. None of the above	
c. Arterial	
d. Capillary and arterial
A

a. Capillary

17
Q

Platelets or thrombocytes are involved in doing what in the blood?

a. Fighting infection	
b. Coagulation	
c. Carry’s oxygen	
d. All the above
A

b. Coagulation

18
Q

Which of the following is the normal range of values for the hematocrit of the adult male?

a. 36–46%	
b. 30–40%	
c. 40–55%	
d. 40–45%
A

c. 40–55%

19
Q

Which of the following is a true statement regarding immunity?

a. Passively acquired immunity is through fighting off disease.	
b. Actively acquired immunity is through an injection.	
c. Immunity is always permanent.	
d. None of the above
A

d. None of the above

20
Q

How can the WBC count be estimated when performing the microhematocrit test?

a. Measured at the bottom of the tube	
b. Cannot be estimated	
c. By measuring buffy coat thickness	
d. By the amount of plasma and platelets
A

c. By measuring buffy coat thickness

21
Q

Oxygenated hemoglobin is what color?

a. Bright red	
b. Dark red	
c. Yellow	
d. Blue
A

a. Bright red

22
Q

Which of the following is NOT a cellular component of the blood?

a. WBC	
b. RBC	
c. Plasma	
d. Platelet
A

c. Plasma

23
Q

Which of the following is the major component of the RBC that transports oxygen?

a. Protein	
b. Hemoglobin	
c. Plasma	
d. Serum
A

b. Hemoglobin

24
Q

Which of the following statements is true about performing an accurate “sed rate” procedure?

a. Test is conducted at 50 degrees Fahrenheit.	
b. Tube must be read at exactly 2 hours.	
c. The venous sample must be well-mixed	
d. Test should be set up within 3 hours after the blood is drawn.
A

c. The venous sample must be well-mixed

25
Q

Which of the following is the reference range of a leukocyte count for adults?

a. 4,500–11,000	
b. 10,000–30,000	
c. 5,000–12,000	
d. 6,000–14,000
A

a. 4,500–11,000

HEAL 214 (8 decks)

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