WorksheetsHEMATOLOGY 1-21 1ST LECTURE QUIZ
Total questions: 50
Worksheet time: 51mins
This is true in the Butterfly Infusion Set Method
used in venous blood collection for infants
more difficult to manage than the conventional methods
most preferred method for venipunctute in the laboratories nowadays
less expensive than the evacuation tube system
This is what happens in hemolysis
1. Rupture and destruction of red blood cells
2. Hemoglobin is released into the plasma from the ruptured red cells
3. Phagocytosis
4. Hemodilution
2,1
4,2,3
4,3
4,3,1
The following are good personal habits to have in the laboratory except:
Wearing personal protective equipment inside and outside the laboratory
Not eating in the laboratory
Wearing gloves when working with specimens
Washing hands frequently
The following meaning is/are correct
CLSI - clinical laboratory safety Institute
CAP- college of american physicians
OSHA-U.S. Occupational Safety and Health Administration
All are correct
None is correct
What is the correct ratio of blood to anticoagulant when using Sodium lCitrate as the additive?
one part of blood to nine parts of anticoagulant
six parts of anticoagulant to one part of blood
three parts of blood to six parts of anticoagulant
nine parts of blood to one part of anticoagulant
The following meanings are true of the prefix “dys- “except
Bad
Difficult
All of the choices are correct
Abnormal
Hematology is derived from the Greek words “haima” and “logos”.
This statement is ...
Korique
Mistakechi
The name of the scientist who was one of the first to study blood:
Robert Koch
Robert Hooke
Athanasius Kircher
Anton van Leewenhoek
This is True in Tourniquet Application
1.should be placed 3-4 inches above the selected puncture site
2. should not be left in the patient's arm for more than 2 minutes
3.should not be too loose or too tight
4, should be applied only after 2 minutes from the last application
1,2,3
2,3,4
4,3,1
2,4
1,3
Complications associated with the use of deep veins such as femoral vein for venipuncture procedure
1. cardiac arrest
2. venous thrombosis
3.hemorrhage
4. damage to surrounding tissue or organ
4,3,2,1
1,3
1,2,3
2,4
This is True in Defibrinated whole blood
1. EDTA anticoagulated blood is the specimen of choice
2.Involves the removal of fibrin in whole blood
3. coagulation is allowed to take place before collecting fibrin
4. used in osmotic fragility test
4.2
4,3,2
3,2,1
3,1
This angle of insertion CORRECTLY matches with the method of blood collection
1.15-30 degree angle - venipuncture procedure
2.10-15 degree angle-dorsal hand venipuncture
3.45 degree angle for heel stick procedure
4 10 degree angle for evacuated tube system
4,3,2
2,3
3,1,2
2,1
This is True to Capillary blood compared to venous blood
lower packed cell volume
lower rbc count
lower wbc count
lower platelet count
Hematology laboratories offer cellular identification through these criteria except:
Genetic markers
Cellular morphology
Cell surface markers
Cytochemical markers
The following are found in the buffy coat:
a. White Blood cells
b. Plasma
c. Platelets
d. Red Blood Cells
A and C
A, B, and C
B, C and D
B and D
The following prefix and suffix can mean “decreased"
a. An-
b. Hypo-
c. -lysis
d. -penia
e. -plasia
B, C, and D
A, C and E
A, B and C
A, B and D
The prefix “schis- “means
Inclusive
Many
Varied
Split
A hematology laboratory is able to evaluate:
All of the above
Platelet function
Erythrocyte function
Leukocyte function
The meaning “large” may be associated with which prefix/es?
a. Meta-
b. Mega-
c. Myelo-
d. Macro-
B and D
A and C
A, C and D
A, B and C
The following are good laboratory techniques except:
Mixing acid and water together at the same time
Using personal protective equipment
Learning the properties and hazards of chemicals
Become familiar with the location of the fire extinguishers
The study of malignant or neoplastic changes in cells is called:
Pathology
Biology
Oncology
Cytology
This anticoagulant's mode of action is chelation of calcium
1.Sodium Citrate
2. EDTA
3.Heparin
4. Double Oxalte
3,1
2,1
3,2,1
4,2,1
3,4
True/False: The science of studying blood started in the 18th century with the aid of primitive microscopes
Threw
Falls
This best describes the Butterfly Infusion Set method
more difficult to manage than the conventional methods
used in geriatric and pediatric cases
most preferred method for routine venipuncture in the laboratories nowadays
less expensive than the evacuated tube system
Which characteristic is Not true with the anticoagulant EDTA?
Is the most commonly used anticoagulant in hematology
Is conventionally placed in lavender stoppered evacuated tubes
Used for most coagulation studies
Removes ionized calcium from fresh whole blood by the process of chelation
The suffix “-cyte” means
Blood
Site
Cell
Cytology
The following sciences serve as a foundation to clinical hematology except:
Biochemistry
Pathology
Microbiology
Physiology
What are the sites that should be avoided for venipuncture procedure?
1. areas with hematoma
2.area of the side which mastectomy was performed
3. areas with burns
4. area of the anticubital fossae
2, 3, 4
4,2,1
3,2,1
3.1
This is the preferred anticoagulant for this test
1. Heparin -Osmotic fragility test
2. K EDTA-Potassium Assay
3. Oxalate-BUN
4. Sodium Citrate- Prothrombin Time
3,2,1
4,1
3,2
4,3.2
Services provided by hematology laboratories, except:
Specimen collection
Measurement of plasma volume
Evaluation of RBC, WBC and platelet function
Measurement of cell volume
All of the above are correct
This is a required information on the requisition slip
1.Patient's first and last name
2. Identification number of the patient
3. Patient's date of birth
4. patient's marital status
5. Test requested
1,2,3
1,3
1,2,3,5
2,3,4
2.3,4,5
How do we identify the patient in the phlebotomy procedure
1. using 4 identifiers
2. asking the patient to state his/her last and first name verbally
3. letting the person watching over the patient state the patient's name
4. comparing the name in the patient's wrist band with the requisition slip and verbal identification of patient
3,1
4,2
4,3,2
3,2,1
Amount of blood that can be collected using the microcapillary tubes
1ml
60 microliter
0.02 ml
none of the above
Equal, alike and same are meanings to which prefix?
Poly-
Dys-
Iso-
Pan-
What Temperature can serum be stored that it can last for 6 months?
4 degrees centigrade
-40 degrees centigrade
-20 degrees centigrade
room temperature
Cleaning the Site for Venipuncture should be done by
1. Using 85% Isopropyl alcohol pads
2. Using 0.5 % Chlorhexidine
3. In circular motion inwards going outwards in concentric circles about 2-3 inches
4. Blow or fan to dry the area
2,3
1,4,3
3,4
1,2,3
This is True to the Heel stick Procedure for blood collection
1. area is warmed with a heel warmer
2. the center portion of the heel is the ideal spot for puncture
3. can be done for children 3 yrs old and older
4. puncture angle is 90 degrees
4,3,2
2,1
4,1
1,2,3
This is TRUE in Defibrinated whole blood
1. EDTA anticoagulated blood is the specimen of choice
2. Involves the removal of fibrin in whole blood
3. Coagulation is allowed to take place beforecollecting fibrin
4. used in osmotic fragility test
3,2,1
4,3
4,3,2
2,1
At What point in the blood collection process should a specimen be labelled
After the procedure, at the patient's bedside
In the lab after you have left the patient
Prior to performing the procedure
When you ready to begin the test
What is the shelf life of the evacuated tube?
6 months
24 hours
3 months
12 months
These are errors during the pre-collection of blood sample
1.diurnal variance
2. stress
3.insufficient or excess anticoagulant
4.smoking
3,2,1
2,4
4,3,1
1,3
This is True in the Cord Blood Collection
1. Can be performed by a licensed medical technologist
2. most preferred method of venous blood collection for infants and small children
3. Umbilical vein is aspirated using needle and syringe
4. Wharton’s jelly may contaminate the sample
4,2
3,2,1
4,3,2,1
4,3,1
3,1
This suggestion is implemented to make the phlebotomy procedure easier for the technician/ phlebotomist
prepare supplies and have them readily available
reviews the minimally acceptable volume of blood for an individual assay or group of assays
determine the minimally acceptable volume of blood for each type of collection tube
develop a plan or an alternative plan each time a phlebotomy procedure is performed
all are correct
The reason why it is not advisable to puncture the arch of the foot for dermal puncture procedure
1. causes damage to sciatic nerve
2. causes damage to tendons
3. caused damage to lateral plantar nerve
4. causes damage to brachial artery
4,3,2
2,3
1,2
3,2,1
This chemical is used in the commercial heel warmers?
sodium bisulfate
glycerin
both A & B
This is a complication In the ETS procedure?
1.Apprehension
2. Tenesmus
3. Hematoma
4. Syncope
4,3,2
4,3,1
1,3
4,2
What is the main coagulation difference between plasma and serum?
presence of buffy coat in plasma
presence of anticoagulant
presence of platelets and leukocytes
presence of fibrinogen and other clotting factors
Reason why the Basilic vein is the least preferred site for venipuncture selection
1. least firmly anchored
2. close to the sciatic nerve
3. close to the brachial artery
4. easily collapses
1,3
3,2,1
4,3,2
2,4
Rank the order of collection for dermal puncture procedure starting from first to last
Other anticoagulated tubes
Serum tubes
EDTA tubes
Capillary blood gases
Blood smear
5,4,3,1,2
3,5,4,2,1
4,5,3,1,2
1,4,5,3,2
2,1,4,5,3
Capillary blood is composed of the following
arterial blood
venous blood
interstitial & intracelullar fluid
A, & B only
All of the above
