UNIT 1 WBC

Question 1

slightly less mature
neutrophils with a non
segmented

Answer 1

BANDS (band neutrophils,
BANDs)

Question 2

The basophil granules contain:

Answer 2

histamines and various other proteins

Question 3

Accompanying
lymphocytosis are often
____________ with
characteristic morphology

Answer 3

reactive lymphocytes

Question 4

what goes up when you Have
bacterial infection

Answer 4

↑CBC count: ↑WBC:
↑Neutrophils

Question 5

often
associated with viral
infections

Answer 5

Lymphocytosis

Question 6

occupy
every body cavity; some
are motile and some are
immobilized.

Answer 6

Macrophages

Question 7

have a slightly
larger diameter than other
WBCs, blue-gray cytoplasm
with fine azure granules, and a
nucleus that is usually indented
or folded

Answer 7

monocytes

Question 8

Are cells with round, bright
orange-red cytoplasmic
granules filled with proteins
involved in immune system
regulation.

Answer 8

EOSINOPHILS

Question 9

is rare and
often signals a
hematologic disease
(Leukemia).

Answer 9

Basophilia

Question 10

nearly round, are slightly larger than
RBCs, and have round
featureless nuclei and a thin rim
of nongranular cytoplasm.

Answer 10

Lymphocytes

Question 11

dilutioin for WBC counting

Answer 11

1:20

Question 12

Cells with dark purple,
irregular cytoplasmic granules
that obscure the nucleus.

Answer 12

BASOPHILS

Question 13

nucleus in a U or S
shape.

Answer 13

BANDS (band neutrophils,
BANDs)

Question 14

types of lymphocytes

Answer 14

B, T, and Natural Killer
(NK) cells

Question 15

recognize foreign
antigens and mount humoral
(antibodies) and cell-mediated
antagonistic responses.

Answer 15

Lymphocytes

Question 16

Used by the microscopist to differentiate the categories of WBCs in the blood

Answer 16

Wright-stained blood film and light microscopy

Question 17

often signals and
often a response to
allergy or parasitic
infection

Answer 17

Eosinophilia

Question 18

comprise a
minor component of peripheral
blood WBCs

Answer 18

monocytes

Question 19

WBCs may be counted visually using a _________ and _________

Answer 19

microscope and
hemocytometer

Question 20

causes RBCs to lyse or rupture

Answer 20

dilute acid solution

Question 21

diluent for WBC counting

Answer 21

dilute acid solution

Question 22

an increase in bands
also signals bacterial
infection

Answer 22

Left shift

Question 23

Their tasks are to identify
and phagocytize (engulf
and consume) foreign
particles

Answer 23

Macrophages

Question 24

immature macrophage passing through the blood from its point of
origin, usually the bone marrow,
to a targeted tissue location.

Answer 24

Monocyte

Question 25

decrease in neutrophils has many causes, but it is often caused by certain medications or viral infections

Answer 25

Neutropenia

Question 26

The cytoplasm contains pinkor lavender-staining granules filled with bactericidal substances.

Answer 26

NEUTROPHILS

Question 27

an increase in WBC count.

Answer 27

Leukocytosis

Question 28

are the most abundant cell type in the body

Answer 28

Macrophages

Question 29

is an uncontrolled proliferation of a clone of malignant WBCs

Answer 29

Leukemia

Question 30

Long term administration: viral infection

Answer 30

↓CBC count: ↓Neutrophil

Question 31

is the most common form of childhood leukemia

Answer 31

Acute lymphoblastic leukemia

Question 32

phagocytic cells whose major purpose is to engulf and destroy microorganisms and foreign material, either directly or after they have been labeled for destruction by the immune system

Answer 32

NEUTROPHILS

Question 33

types according to nucleus

Answer 33

- Polymorphonuclear (PMN) - Mononuclear

Question 34

is often associated with drug therapy or immunodeficiency.

Answer 34

Lymphopenia or lymphocytopenia

Question 35

a decreased WBC count

Answer 35

Leukopenia

Question 36

leukemia that is more prevalent in people older than 65 years.

Answer 36

Chronic lymphocytic leukemia

Question 37

Hematologic disorde; may be found in certain infections or in inflammation

Answer 37

Monocytosis

Question 38

often signals bacterial infection.

Answer 38

NEUTROPHILS

Question 39

you may also used WBC counting in analyzing:

Answer 39

cerebrospinal fluid or pleural fluid

Question 40

The term segmented refers to their multilobed nuclei

Answer 40

NEUTROPHILS

Question 41

Macrophages assist the lymphocytes in mounting an immune response through the assembly and presentation of

Answer 41

antigen epitopes.

Question 42

Directly involved in attacking the bacteria in any part of the body especially the blood

Answer 42

NEUTROPHILS

Question 43

comprise a complex system of cells that provide for host immunity

Answer 43

LYMPHOCYTES

Question 44

reference range for WBC

Answer 44

5,000-10,000/cumm

Question 45

technique for celll counting

Answer 45

Hemocytometry