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WorksheetsDiagnostic Phlebotomy Final Exam (Grade 12)
Total questions: 99
Worksheet time: 50mins
Which of the following veins is most commonly used for venipuncture?
Basilic vein
Median cubital vein
Cephalic vein
Brachial vein
The anticoagulant EDTA is most commonly found in which color tube top?
Red
Blue
Purple/lavender
Green
What is the maximum time a tourniquet should remain on a patient's arm?
30 seconds
1 minute
2 minutes
3 minutes
Which of the following is the correct order of draw for multiple tube collections?
Red, blue, purple, green
Blue, red, green, purple
Purple, green, blue, red
Green, purple, red, blue
The term hemoconcentration refers to:
Dilution of blood components
Concentration of blood components due to fluid loss
Increased red blood cell production
Decreased plasma volume only
What angle should the needle be inserted during venipuncture?
90 degrees
45 degrees
15-30 degrees
60 degrees
Which of the following is a contraindication for venipuncture?
Previous blood donation
Mastectomy on the same side
Patient anxiety
Visible veins
The primary purpose of using a tourniquet during venipuncture is to:
Prevent infection
Reduce patient pain
Distend the veins
Stop bleeding
Which of the following represents proper patient identification?
Asking the patient to state their name
Checking the patient's wristband
Asking the patient to state their name and date of birth
All of the above
What is the first step in the venipuncture procedure?
Apply the tourniquet
Verify patient identity
Wash hands
Assemble equipment
The needle gauge most commonly used for routine venipuncture is:
18 gauge
20 gauge
21 gauge
23 gauge
Which of the following additives prevents blood clotting?
Sodium fluoride
Heparin
Silica
Thrombin
A hematoma is most likely to occur when:
The needle goes through the vein
The tourniquet is too tight
The patient is dehydrated
The collection tube is overfilled
The appropriate site for capillary puncture in adults is:
Tip of the finger
Side of the finger
Palm of the hand
Back of the hand
Which of the following tubes should be collected first in a multi-tube draw?
Serum separator tube
Coagulation tube
Hematology tube
Chemistry tube
The term hemolysis refers to:
Blood clotting
Destruction of red blood cells
White blood cell increase
Plasma separation
What is the recommended depth for a capillary puncture?
1.0 mm
2.0 mm
3.0 mm
4.0 mm
Which of the following is a sign of patient syncope?
Increased heart rate
Sweating and pale skin
Elevated blood pressure
Rapid breathing only
The median cubital vein is located:
In the antecubital fossa
On the back of the hand
In the wrist area
On the thumb side of the arm
Which of the following is the correct procedure after needle insertion?
Immediately remove tourniquet
Advance needle further into vein
Release tourniquet after blood flow begins
Withdraw needle slightly
What is the minimum number of times tubes with additives should be inverted?
3-4 times
5-8 times
10-12 times
15-20 times
The purpose of inverting blood collection tubes is to:
Mix blood with anticoagulant
Prevent hemolysis
Reduce clotting time
Increase blood flow
Which of the following is a proper technique for palpating veins?
Use your thumb
Use your index finger
Use multiple fingers
Use the palm of your hand
The chain of custody is most important for:
Routine blood tests
Therapeutic drug monitoring
Forensic specimens
Blood bank samples
Which of the following conditions requires special handling of specimens?
Bilirubin testing
Glucose testing
Ammonia testing
All of the above
The appropriate disinfectant for routine venipuncture is:
Hydrogen peroxide
Povidone iodine
70% isopropyl alcohol
Soap and water
What should be done if a patient faints during blood collection?
Continue the procedure quickly
Remove the needle and apply pressure
Elevate the patient's legs
Both B and C
The term QNS stands for:
Quality Not Sufficient
Quantity Not Sufficient
Quick Needs Sample
Qualified Nurse Supervision
Which of the following is the correct procedure for labeling specimens?
Label before collection
Label after collection at patient's side
Label in the laboratory
Label can be done at any time
The recommended site for capillary puncture in infants is:
Finger
Heel
Toe
Earlobe
Which of the following can cause a false elevation in potassium levels?
Hemolysis
Delayed processing
Tourniquet use
All of the above
The primary reason for using a winged collection set is:
Faster blood flow
Better for difficult veins
Reduced contamination
Lower cost
What is the proper procedure if no blood is obtained during venipuncture?
Immediately try a different site
Probe gently with the needle
Apply more pressure
Remove needle and try again
The evacuated tube system works by:
Positive pressure
Negative pressure (vacuum)
Gravity
Manual suction
Which of the following is a post-analytical error?
Mislabeled specimen
Hemolyzed sample
Incorrect reporting of results
Contaminated specimen
The basilic vein is located:
On the thumb side of the arm
On the pinky side of the arm
In the center of the antecubital fossa
On the back of the hand
What is the appropriate action if a tube does not fill completely?
Gently shake the tube
Advance the needle further
Try a new tube
Remove and reinsert needle
The purpose of sodium fluoride in blood collection tubes is to:
Prevent clotting
Preserve glucose
Enhance cell separation
Prevent hemolysis
Which of the following is considered a pre-analytical error?
Incorrect specimen labeling
Improper storage temperature
Wrong collection time
All of the above
The recommended procedure for disposal of needles is:
Recap and dispose
Break the needle first
Dispose in regular trash
Dispose in sharps container without recapping
What is the appropriate response to a needlestick injury?
Apply pressure and continue working
Wash thoroughly and report immediately
Apply antiseptic only
Ignore if bleeding stops
The term petechiae refers to:
Large bruises
Small red spots under the skin
Swollen lymph nodes
Infected puncture sites
The proper technique for cleaning the venipuncture site is:
Circular motion from inside out
Circular motion from outside in
Back and forth motion
Dabbing motion
What is the maximum number of venipuncture attempts that should be made on a patient?
1
2
3
4
The most common complication of venipuncture is:
Nerve injury
Hematoma formation
Infection
Arterial puncture
Which of the following is the correct procedure for removing a needle?
Quickly pull straight out
Slowly remove at the same angle of insertion
Twist while removing
Rock back and forth
The purpose of a serum separator tube is to:
Prevent clotting
Separate serum from cells
Preserve specimens
Prevent hemolysis
What is the appropriate storage temperature for most blood specimens?
Room temperature
2–8°C (refrigerated)
Frozen
37°C
The term "phlebotomy" means:
Blood study
Vein cutting
Blood collection
Blood analysis
Which of the following is a proper technique for applying a tourniquet?
Apply directly over the puncture site
Apply 3–4 inches above the puncture site
Apply as tightly as possible
Apply for maximum time possible
The appropriate needle insertion technique includes:
Inserting with the bevel up
Inserting with the bevel down
Inserting perpendicular to the skin
Inserting at a 90-degree angle
What should be done if a patient has a latex allergy?
Use latex-free gloves and equipment
Proceed with regular equipment
Refuse to draw blood
Use extra gloves
The correct procedure for transporting specimens is:
Room temperature for all specimens
Follow specific temperature requirements
Freeze all specimens
Heat all specimens
Which of the following can cause specimen rejection?
Unlabeled specimen
Hemolyzed specimen
Clotted specimen in anticoagulant tube
All of the above
The primary function of the circulatory system is to:
Produce blood cells
Transport substances throughout the body
Filter blood
Store blood
What is the appropriate action if a patient refuses blood collection?
Proceed anyway
Document refusal and notify supervisor
Convince patient to comply
Come back later without notification
The term "arterial puncture" refers to:
Normal venipuncture procedure
Accidental puncture of an artery
Intentional collection from an artery
Puncture of arterial pressure point
Which of the following is the correct hand hygiene procedure?
Wash hands only before patient contact
Wash hands before and after patient contact
Gloves eliminate need for hand washing
Hand sanitizer is never appropriate
The purpose of personal protective equipment (PPE) is to:
Protect the patient only
Protect the healthcare worker only
Protect both patient and healthcare worker
Meet regulatory requirements only
What is the appropriate procedure for cleaning up blood spills?
Use regular cleaning supplies
Use bleach solution
Use alcohol only
Use soap and water
The term "standard precautions" means:
Treat all patients the same way
Treat all body fluids as potentially infectious
Use extra precautions for known infectious patients
Follow hospital policies only
Which of the following is a bloodborne pathogen of primary concern?
Hepatitis B
Hepatitis C
HIV
All of the above
The appropriate procedure for handling contaminated materials is:
Dispose in regular trash
Dispose in biohazard containers
Rinse and reuse
Store for later disposal
What is the primary purpose of quality control in phlebotomy?
Reduce costs
Ensure accurate results
Speed up procedures
Satisfy regulations
The term "informed consent" means:
Patient signs a form
Patient understands the procedure and agrees
Doctor gives permission
Family gives permission
Which of the following is considered patient identifying information?
Name and date of birth
Social Security number
Medical record number
All of the above
The appropriate response to a patient question you cannot answer is:
Give your best guess
Ignore the question
Refer to appropriate healthcare provider
Make up an answer
What is the purpose of using a butterfly needle?
Faster blood collection
Better for small or fragile veins
Prevents contamination
Reduces patient pain
The correct procedure for specimen transport includes:
Immediate transport to laboratory
Proper labeling and packaging
Appropriate temperature control
All of the above
Which of the following can affect test results?
Patient position during collection
Time of day
Patient preparation
All of the above
The term "hemostasis" refers to:
Blood circulation
Blood clotting process
Blood production
Blood pressure
What is the appropriate action if equipment malfunctions during collection?
Continue with faulty equipment
Stop procedure and get new equipment
Ignore the malfunction
Report after completing collection
The primary responsibility of a phlebotomist is to:
Diagnose patient conditions
Collect blood specimens safely
Interpret test results
Prescribe treatments
Which of the following is proper professional behavior?
Discussing patient information with colleagues
Maintaining patient confidentiality
Sharing interesting cases
Talking about patients in public areas
The appropriate procedure for handling an emergency during blood collection is:
Continue the procedure
Stop and call for help
Finish quickly
Leave the patient alone
What is the purpose of continuing education for phlebotomists?
Meet regulatory requirements
Stay current with best practices
Maintain certification
All of the above
The term "scope of practice" refers to:
Work schedule
Authorized duties and responsibilities
Salary range
Work location
Which of the following is an example of quality assurance?
Regular equipment maintenance
Proper training of staff
Monitoring collection procedures
All of the above
The appropriate response to a patient complaint is:
Ignore it
Listen and address concerns appropriately
Argue with the patient
Blame other staff members
What is the primary goal of patient education?
Reduce complaints
Improve patient understanding and compliance
Save time
Meet legal requirements
The term "nosocomial infection" refers to:
Community-acquired infection
Hospital-acquired infection
Bloodborne infection
Respiratory infection
Which of the following is proper ergonomic practice?
Bending at the waist
Maintaining proper posture
Reaching across the body
Working in cramped spaces
The appropriate procedure for handling a difficult patient is:
Force compliance
Use patience and professionalism
Refuse to provide service
Restrain the patient
What is the purpose of incident reporting?
Blame individuals
Identify and prevent future problems
Satisfy legal requirements
Document everything
The term "critical value" refers to:
Important test results
Life-threatening results requiring immediate attention
Expensive tests
Routine test results
Which of the following is appropriate communication with patients?
Use medical terminology exclusively
Speak clearly and simply
Avoid eye contact
Talk to family members only
The primary purpose of laboratory accreditation is to:
Increase costs
Ensure quality standards
Satisfy government requirements
Reduce liability
What is the appropriate response to a medication error?
Ignore if no harm occurred
Report immediately
Fix it quietly
Blame someone else
The term "clinical correlation" means:
Comparing test results
Relating test results to patient condition
Repeating tests
Confirming results
Which of the following is a component of risk management?
Identifying potential problems
Preventing accidents
Reducing liability
All of the above
The appropriate procedure for handling a specimen mix-up is:
Ignore it
Recollect specimens from affected patients
Guess which specimen belongs to which patient
Report results anyway
What is the purpose of proficiency testing?
Evaluate laboratory performance
Train new employees
Reduce costs
Satisfy patients
The term "evidence-based practice" refers to:
Using legal evidence
Using scientific evidence to guide practice
Using personal experience only
Using tradition only
Which of the following is appropriate delegation?
Assign tasks beyond scope of practice
Assign appropriate tasks to qualified personnel
Assign tasks without instruction
Assign tasks without supervision
The primary purpose of performance improvement is to:
Punish poor performers
Enhance quality of care
Reduce costs
Satisfy regulators
What is the appropriate response to ethical concerns?
Ignore them
Discuss with appropriate personnel
Handle alone
Avoid involvement
The term "cultural competence" refers to:
Speaking multiple languages
Understanding and respecting cultural differences
Traveling internationally
Reading about other cultures
Which of the following is a component of effective teamwork?
Good communication
Mutual respect
Shared goals
All of the above
The most important quality for a phlebotomist is:
Technical skill
Speed
Attention to detail and patient safety
Friendly personality
