1.
Chapter 01-01
uu
Hematology is the study of:
uu uu uu uu
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, *a. blood cells.
uu uu
b. serum electrolytes. uu
c. plasma hormone levels. uu uu
d. bacteria in the blood. uu uu uu
General Feedback: uu
Hematology is the study of blood cells* uu uu uu uu uu uu
red blood cells, white blood cells, and platelets. Plasma and serum electrolytes and hormo
uu uu uu uu uu uu uu uu uu uu uu uu uu
ne levels are evaluated in various subdivisions of clinical chemistry, and bacteria are evalua
uu uu uu uu uu uu uu uu uu uu uu uu uu
ted in clinical microbiology.
uu uu uu
2. Chapter 01-02 uu
The morphology of blood cells is important to evaluate:
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a. every time a complete blood count (CBC) is requested on a patient.
uu uu uu uu uu uu uu uu uu uu uu
b. when an instrument-generated flag is obtained.
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*c. when a profiling instrument result is abnormal.
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d. when the white count is elevated.
uu uu uu uu uu uu
General Feedback: uu
Every laboratory must determine*
uu uu uu
based on its instrumentation, needs of the clinician and other parameter flags that alert the
uu uu uu uu uu uu uu uu uu uu uu uu uu uu u
medical laboratory scientist to the necessity for further evaluation*
u uu uu uu uu uu uu uu uu
when it is necessary to evaluate cell morphology. Many instrument-
uu uu uu uu uu uu uu uu uu
generated flags, although useful, may not require review. If an automated CBC does not su
uu uu uu uu uu uu uu uu uu uu uu uu uu uu
ggest the need, no reason exists to evaluate the blood film, even if the white count is elev
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu
ated.
3. Chapter 01-03 uu
Who is ultimately responsible for determining the specimen integrity before analysis?
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*a. Medical laboratory professional
uu uu uu
b. Nursing staff uu
c. Phlebotomist
d. Specimen-processing personnel uu
General Feedback: uu
The medical laboratory scientist is responsible for ensuring the integrity of a
uu uu uu uu uu uu uu uu uu uu uu uu
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,specimen before analysis. Only he or she can judge whether the specimen is acceptable s
uu uu uu uu uu uu uu uu uu uu uu uu uu uu
o that valid results can be obtained. Acceptable criteria include such things as type of sp
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu
ecimen for the test ordered (e.g., blood, serum, urine); appropriate additive present (if nee
uu uu uu uu uu uu uu uu uu uu uu uu uu
ded) and amount of specimen relative to the additive; time interval since obtained; and pr
uu uu uu uu uu uu uu uu uu uu uu uu uu uu
esence or absence of hemolysis, lipemia, and other similar conditions. None of the other
uu uu uu uu uu uu uu uu uu uu uu uu uu uu
personnel named have the education and understanding to fully make that judgment.
uu uu uu uu uu uu uu uu uu uu uu
TESTBANKSELLER.COM
, 4. Chapter 01- uu
04 Hematocrit is also called:
uu uu uu uu
a. white cell count. uu uu
b. bone marrow examination. uu uu
c. red blood cell (RBC) count.
uu uu uu uu
*d. packed red cell volume.
uu uu uu uu
General Feedback: uu
Historically the hematocrit was determined by centrifuging an aliquot of antico
uu uu uu uu uu uu uu uu uu uu
agulated whole blood under specified conditions (e.g., centrifugal force, capillary tube lengt
uu uu uu uu uu uu uu uu uu uu uu
h, and bore diameter) and then determining the ratio of the space occupied by the packed
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu
uu red cells compared with that of the entire blood volume in the capillary tube, often expr
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu
essed as a percentage. Hence, it is also called the packeduureduucelluuvolume.
uu uu uu uu uu uu uu uu uu uu
5. Chapter 01-05 uu
The primary function of platelets is to:
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a. defend the body against bacterial invasion.
uu uu uu uu uu
b. carry oxygen to tissues. uu uu uu
*c. facilitate blood clotting.
uu uu uu
d. regulate acid-base balance.
uu uu uu
General Feedback: uu
Whenever disruption occurs to a blood vessel so that bleeding results, platelet
uu uu uu uu uu uu uu uu uu uu uu
s respond initially to stop the bleeding in small vessels; they also play an integral role in
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu u
facilitating the formation of a blood clot. White cells defend against bacterial invasion; red
u uu uu uu uu uu uu uu uu uu uu uu uu uu
uu cells (i.e., hemoglobin) carry oxygen to tissues; and a complex interaction of plasma elec
uu uu uu uu uu uu uu uu uu uu uu uu uu
trolytes, proteins, and carbon dioxide participates in acid-base balance.
uu uu uu uu uu uu uu uu
6. Chapter 01-06 uu
Which of the following can be evaluated onlyuuthrough the microscopic examination of a stai
uu uu uu uu uu uu uu uu uu uu uu uu uu
ned blood film?uu uu
a. White blood cell (WBC) count uu uu uu uu
b. Reticulocyte count uu
c. Hemoglobin concentration uu
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Chapter 01-01
uu
Hematology is the study of:
uu uu uu uu
TESTBANKSELLER.COM
, *a. blood cells.
uu uu
b. serum electrolytes. uu
c. plasma hormone levels. uu uu
d. bacteria in the blood. uu uu uu
General Feedback: uu
Hematology is the study of blood cells* uu uu uu uu uu uu
red blood cells, white blood cells, and platelets. Plasma and serum electrolytes and hormo
uu uu uu uu uu uu uu uu uu uu uu uu uu
ne levels are evaluated in various subdivisions of clinical chemistry, and bacteria are evalua
uu uu uu uu uu uu uu uu uu uu uu uu uu
ted in clinical microbiology.
uu uu uu
2. Chapter 01-02 uu
The morphology of blood cells is important to evaluate:
uu uu uu uu uu uu uu uu
a. every time a complete blood count (CBC) is requested on a patient.
uu uu uu uu uu uu uu uu uu uu uu
b. when an instrument-generated flag is obtained.
uu uu uu uu uu
*c. when a profiling instrument result is abnormal.
uu uu uu uu uu uu uu
d. when the white count is elevated.
uu uu uu uu uu uu
General Feedback: uu
Every laboratory must determine*
uu uu uu
based on its instrumentation, needs of the clinician and other parameter flags that alert the
uu uu uu uu uu uu uu uu uu uu uu uu uu uu u
medical laboratory scientist to the necessity for further evaluation*
u uu uu uu uu uu uu uu uu
when it is necessary to evaluate cell morphology. Many instrument-
uu uu uu uu uu uu uu uu uu
generated flags, although useful, may not require review. If an automated CBC does not su
uu uu uu uu uu uu uu uu uu uu uu uu uu uu
ggest the need, no reason exists to evaluate the blood film, even if the white count is elev
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu
ated.
3. Chapter 01-03 uu
Who is ultimately responsible for determining the specimen integrity before analysis?
uu uu uu uu uu uu uu uu uu uu
*a. Medical laboratory professional
uu uu uu
b. Nursing staff uu
c. Phlebotomist
d. Specimen-processing personnel uu
General Feedback: uu
The medical laboratory scientist is responsible for ensuring the integrity of a
uu uu uu uu uu uu uu uu uu uu uu uu
TESTBANKSELLER.COM
,specimen before analysis. Only he or she can judge whether the specimen is acceptable s
uu uu uu uu uu uu uu uu uu uu uu uu uu uu
o that valid results can be obtained. Acceptable criteria include such things as type of sp
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu
ecimen for the test ordered (e.g., blood, serum, urine); appropriate additive present (if nee
uu uu uu uu uu uu uu uu uu uu uu uu uu
ded) and amount of specimen relative to the additive; time interval since obtained; and pr
uu uu uu uu uu uu uu uu uu uu uu uu uu uu
esence or absence of hemolysis, lipemia, and other similar conditions. None of the other
uu uu uu uu uu uu uu uu uu uu uu uu uu uu
personnel named have the education and understanding to fully make that judgment.
uu uu uu uu uu uu uu uu uu uu uu
TESTBANKSELLER.COM
, 4. Chapter 01- uu
04 Hematocrit is also called:
uu uu uu uu
a. white cell count. uu uu
b. bone marrow examination. uu uu
c. red blood cell (RBC) count.
uu uu uu uu
*d. packed red cell volume.
uu uu uu uu
General Feedback: uu
Historically the hematocrit was determined by centrifuging an aliquot of antico
uu uu uu uu uu uu uu uu uu uu
agulated whole blood under specified conditions (e.g., centrifugal force, capillary tube lengt
uu uu uu uu uu uu uu uu uu uu uu
h, and bore diameter) and then determining the ratio of the space occupied by the packed
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu
uu red cells compared with that of the entire blood volume in the capillary tube, often expr
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu
essed as a percentage. Hence, it is also called the packeduureduucelluuvolume.
uu uu uu uu uu uu uu uu uu uu
5. Chapter 01-05 uu
The primary function of platelets is to:
uu uu uu uu uu uu
a. defend the body against bacterial invasion.
uu uu uu uu uu
b. carry oxygen to tissues. uu uu uu
*c. facilitate blood clotting.
uu uu uu
d. regulate acid-base balance.
uu uu uu
General Feedback: uu
Whenever disruption occurs to a blood vessel so that bleeding results, platelet
uu uu uu uu uu uu uu uu uu uu uu
s respond initially to stop the bleeding in small vessels; they also play an integral role in
uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu uu u
facilitating the formation of a blood clot. White cells defend against bacterial invasion; red
u uu uu uu uu uu uu uu uu uu uu uu uu uu
uu cells (i.e., hemoglobin) carry oxygen to tissues; and a complex interaction of plasma elec
uu uu uu uu uu uu uu uu uu uu uu uu uu
trolytes, proteins, and carbon dioxide participates in acid-base balance.
uu uu uu uu uu uu uu uu
6. Chapter 01-06 uu
Which of the following can be evaluated onlyuuthrough the microscopic examination of a stai
uu uu uu uu uu uu uu uu uu uu uu uu uu
ned blood film?uu uu
a. White blood cell (WBC) count uu uu uu uu
b. Reticulocyte count uu
c. Hemoglobin concentration uu
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