MLS BOC – Hematology Exam| 171 Questions
And Correct Answers| 2024
this is an expression of inactive X chromosome seen in Neutrophils of females
only
Barr body
Also known as Azurophilic granules or Non-specific granules, disappear with
maturation and reappears in toxic granulation
Primary granules
which Neutrophilic granules has in its contents cytotoxic compounds,
Myeloperoxidase (MPO)
primary azurophilic non-specific granules
Also known as Specific granules and gives the neutrophilic cytoplasm a
characteristic pink/neutral color
Secondary granules
Which neutrophilic granules has pro-inflammatory and chemotactic factors
Secondary granules
during bacterial killing by the neutrophils through the process of phagocytosis
the production of ROS cytotoxic reactive oxygen species is catalyzed by
MPO which is a content of primary granules
in basophils what are the content of the purple granules
Histamine, Tryptase (inflammatory enzyme), Heparin
When in the tissues is known as MAST CELLS and it is IgE mediated allergies
Basophils
Monocytes when in the tissues is known as
Macrophage or Histiocytes
what is the function of Macrophages in the innate immunity
Phagocytic scavengers
what is the function of Macrophages in acquired immunity
P-PAC = Professional Antigen Presenting Cell ( MHC class II)
what are the functions of the cytokines produced by the MAcrophages
Stimulate hematopoiesis and chemotactic factors
what is called the procedure to aspirate fluid from peritoneal cavity
paracentesis
what kind of cells make up the thin membrane that lines the internal organs such
as lungs, heart, peritoneal etc.?
mesothelial cells
what is called the accumulation of fluid in the peritoneal cavity, causing
abdominal swelling
Ascites
what is called an abnormal collection of fluid in the pleural, pericardial or
peritoneal space
Effusion
the effusion due to a systemic disease, low protein count and WBC <1000/uL is
called
, transudate effusion
the effusion due to a localized disease, high protein content and WBC >1000/uL
Exudate effusion
what is called the yellowish tinge in the CSF fluid due to breakdown of heme,
indicative of subarachnoid hemorrage
Xanthochromia
during the CSF collection, this is a product of Hgb metabolism
Hematoidin crystals
Monosodium urate crystals is known to form
Gout
Calcium pyrophosphate crystals is known to form
Pseudogout
Cholesterol crystals is known to form
different types of chronic arthritis
which blood tube anticoagulant prevents coagulation by interacting with
antithrombin to inhibit thrombin. Normally used for osmotic fragility test
Lithium heparin
when IgM antibodies directed against RBC antigens form a complex what is it
called
Cold agglutinin
when the automated cell counter show elevated MCH and decreased RBC with
normal Hgb what may this indicate
Cold agglutinin
corrected WBC count in the presence of nRBC
(WBC count x 100)/(nRBC + 100)
Hemocytometer manual calculation for WBC
[(# cells counted)(DF)]/[(# of squares)(0.1)]. if you count both chambers add them up
divide by 2
Hemocytometer manual calculation for RBC
[(# cells counted)(DF)]/[(# of squares)(0.004)].
MCV formula
Hct/RBC x 10
MCH formula
Hgb/RBC x 10
MCHC formula
Hgb/Hct x 100
How to calculate reticulocyte using Miller disk
Rectic%= (# rectic in square A x 100)/(# RBC in square B x 9)
the solubility test for hemoglobin is a standard screen test for the presence of
Hgb S
turbid color for positive
in Hgb electrophoresis which Hgb takes on a net negative charge at an alkaline
pH and moves farthest toward the anode
Adult Hgb (A)
in Hgb electrophoresis in an Alkaline pH which side is the positive side the anode
or cathode
And Correct Answers| 2024
this is an expression of inactive X chromosome seen in Neutrophils of females
only
Barr body
Also known as Azurophilic granules or Non-specific granules, disappear with
maturation and reappears in toxic granulation
Primary granules
which Neutrophilic granules has in its contents cytotoxic compounds,
Myeloperoxidase (MPO)
primary azurophilic non-specific granules
Also known as Specific granules and gives the neutrophilic cytoplasm a
characteristic pink/neutral color
Secondary granules
Which neutrophilic granules has pro-inflammatory and chemotactic factors
Secondary granules
during bacterial killing by the neutrophils through the process of phagocytosis
the production of ROS cytotoxic reactive oxygen species is catalyzed by
MPO which is a content of primary granules
in basophils what are the content of the purple granules
Histamine, Tryptase (inflammatory enzyme), Heparin
When in the tissues is known as MAST CELLS and it is IgE mediated allergies
Basophils
Monocytes when in the tissues is known as
Macrophage or Histiocytes
what is the function of Macrophages in the innate immunity
Phagocytic scavengers
what is the function of Macrophages in acquired immunity
P-PAC = Professional Antigen Presenting Cell ( MHC class II)
what are the functions of the cytokines produced by the MAcrophages
Stimulate hematopoiesis and chemotactic factors
what is called the procedure to aspirate fluid from peritoneal cavity
paracentesis
what kind of cells make up the thin membrane that lines the internal organs such
as lungs, heart, peritoneal etc.?
mesothelial cells
what is called the accumulation of fluid in the peritoneal cavity, causing
abdominal swelling
Ascites
what is called an abnormal collection of fluid in the pleural, pericardial or
peritoneal space
Effusion
the effusion due to a systemic disease, low protein count and WBC <1000/uL is
called
, transudate effusion
the effusion due to a localized disease, high protein content and WBC >1000/uL
Exudate effusion
what is called the yellowish tinge in the CSF fluid due to breakdown of heme,
indicative of subarachnoid hemorrage
Xanthochromia
during the CSF collection, this is a product of Hgb metabolism
Hematoidin crystals
Monosodium urate crystals is known to form
Gout
Calcium pyrophosphate crystals is known to form
Pseudogout
Cholesterol crystals is known to form
different types of chronic arthritis
which blood tube anticoagulant prevents coagulation by interacting with
antithrombin to inhibit thrombin. Normally used for osmotic fragility test
Lithium heparin
when IgM antibodies directed against RBC antigens form a complex what is it
called
Cold agglutinin
when the automated cell counter show elevated MCH and decreased RBC with
normal Hgb what may this indicate
Cold agglutinin
corrected WBC count in the presence of nRBC
(WBC count x 100)/(nRBC + 100)
Hemocytometer manual calculation for WBC
[(# cells counted)(DF)]/[(# of squares)(0.1)]. if you count both chambers add them up
divide by 2
Hemocytometer manual calculation for RBC
[(# cells counted)(DF)]/[(# of squares)(0.004)].
MCV formula
Hct/RBC x 10
MCH formula
Hgb/RBC x 10
MCHC formula
Hgb/Hct x 100
How to calculate reticulocyte using Miller disk
Rectic%= (# rectic in square A x 100)/(# RBC in square B x 9)
the solubility test for hemoglobin is a standard screen test for the presence of
Hgb S
turbid color for positive
in Hgb electrophoresis which Hgb takes on a net negative charge at an alkaline
pH and moves farthest toward the anode
Adult Hgb (A)
in Hgb electrophoresis in an Alkaline pH which side is the positive side the anode
or cathode
