Exam 1 Questions

Question 1

Polychromasia on the peripheral smear represents an increase in what cell and is a measure of the bone marrow’s ability to replace red cells which have been destroyed?

Answer 1

Reticulocyte

Question 2

A patient with microcytic anemia might have which of the following disease/s?

Answer 2

all of the above

Question 3

Iron-deficiency anemia is characterized by

Answer 3

microcytic, hypo chromic

Question 4

Autoimmune hemolytic anemia represents an abnormality in which:

Answer 4

self-recognition of an individual’s own red cell antigens is lost

Question 5

Which of the following represents hereditary intracorpuscular defects?

Answer 5

Red blood cell (RBC) membrane defects

Question 6

What membrane deficiency renders PNH erythrocytes more sensitive to lysis by complement?

Answer 6

GPI-anchor proteins

Question 7

Refers to variations in red cell size:

Answer 7

anisocytosis

Question 8

What is meant by medullary hematopoiesis?

Answer 8

hematopoiesis in the marrow

Question 9

Chromic content of the red cell refers to:

Answer 9

hemoglobin

Question 10

A general hematological test to determine a low red blood cell count would be:

Answer 10

hematocrit

Question 11

Red cell shape that is due to excess membrane choloesterol and looks like a bulls eye

Answer 11

target cell

Question 12

The mature erythrocyte, upon maturity, passes from a

Answer 12

nucleated to non-nucleated state

Question 13

What is the primary function of hemoglobin

Answer 13

to carry oxygen

Question 14

What is the normal lifespan of the RBC in circulation?

Answer 14

120 days

Question 15

What is the mean corpuscular hemoglobin (MCH) used to measure?

Answer 15

hemoglobin content

Question 16

A patient’s hemoglobin is 12 g/dL. What would you expect the hematocrit to be?

Answer 16

36%

Question 17

Red cell inclusions include all except:

Answer 17

sickle cell

Question 18

The government agency that develops technical standards and laboratory practice guidelines, including cytology guidelines is:

Answer 18

CDC

Question 19

The five major departments found in a hospital clinical laboratory include all except:

Answer 19

cardiology

Question 20

Which of the following agencies or organizations was created to make certain the quality of work done in the laboratory is reliable?

Answer 20

CLIA

Question 21

One of the top five causes of pre-analytical errors is:

Answer 21

all of the above

Question 22

The objective of CLIA’88 is to improve and ensure ______ of laboratory testing.

Answer 22

quality

Question 23

Accuracy is defined as:

Answer 23

How close a test result is to the true value

Question 24

The majority of clinical laboratory professionals are employed in:

Answer 24

Hospital laboratories

Question 25

Why are laboratory data important for the diagnosis of disease?

Answer 25

all of the above

Question 26

Which of the following is the basic difference(s) between a laboratory technician and a technologist/scientist?

Answer 26

all of the above

Question 27

Blood specimens are unaccepetable for laboratory testing when?

Answer 27

all of the above

Question 28

Laboratories performing which of the following types of test need to be enrolled in a CLIA approved proficiency testing program?

Answer 28

both B and C

Question 29

leukemia of the myeloid lineage may include:

Answer 29

CML, polycythemia vera, essential thrombocytopenia, and chronic idiopathic myelofibrosis (anything but lymphocytes)

Question 30

what does a bone biopsy reveal in a patient with aplastic anemia

Answer 30

cell destruction and less new cells being made fatty replacement