Phlebotomy Final Exam

What color should be collected for coagulations studies?

Light Blue

What is the maximum accepted depth for a dermal puncture?

2mm

The pathogen West Nile is carried by a mosquito. What type of transmission is it?

Vector

A successful quality healthcare professional has what attributes?

Exhibits emotional stability

What is the appropriate site for a dermal puncture on an infant's heel?

Medial or lateral borders on the plantar surface

What is the proper way to collect a 24-hour urine specimen, beginning at 9 AM Thursday?

Collect and discard the first specimen (0900 Thursday). Collect and keep all the samples until 0900 Friday. At 0900 Friday, collect and keep the last sample.

When donning a gown, mask, respirator, face shield and gloves what should be put on last?

Gloves

A substance used to clean a surface other than living tissue?

Disinfectant

Shaking a tube rather than gently inverting it can cause what?

Hemolysis

Green – Lavender – Light Blue – Red. Which of these tubes is drawn first?

Light Blue

What is the most commonly used antiseptic for a routine venipuncture?

70% Isopropyl Alcohol

For maximum effectiveness an antiseptic should be left on the skin for?

30-60 Seconds

Which needle gauge is used for venipuncture?

21

The director of a laboratory is called what?

Pathologist

If a blood test requires a fasted specimen, what is the best way to verify the patient has fasted?

Ask the patient

What is the minimum amount of time you should apply pressure on an arterial puncture?

5 mins

Cephalic, basilic and median cubital are located where?

Antecubital fossa

What is the first action you should do for an accidental needle stick?

Flood exposed area with water

How should a tourniquet be applied on a geriatric patient?

Looser than usual

The procedure for a proper disposal of used needles includes:

Discarding safety device as an intact unit

Where should the placement of a phlebotomy tray be on a patient’s room?

On a solid surface away from the patients’ personal effect

Which blood vessels are the smallest consisting of only a single layer of epithelial cells?

Capillaries

Where is the radial artery located?

Thumb side of wrist

What color tube should be collected for CBC?

Lavender

How should bleeding be stopped for a venipuncture?

Apply pressure

What is the first action immediately after withdrawing needle?

Apply pressure to the site

How many times should. A tube without additives be inverted?

5-10 times

While having blood sample collection the patient complains of pain and tingling on fingers what is the cause of?

Tourniquet was left on too tight or too long

What laboratory department uses genetics and biochemical techniques to analyze DNA in specimens?

Molecular diagnosis

Which lab performs blood typing?

Immunohematology

What is the single most important step of blood collection procedure?

Patient Identification

How far from the puncture site must a tourniquet be placed?

3-4 inches

Which anticoagulated is used for blood gas determination?

Heparin

When taking off PPE what is the last thing to do?

Wash your hands

Before drawing blood on a patient, you should verify what?

Requisition should match ID bracelet

Green – Lavender – Grey – Red. Which tube is drawn first?

RED

When you’re unable to locate a vein on the patients arm, what should you do next?

Examine other arm

Lavender – Blood cultures – Light Blue – Red. Which tube is drawn first?

Blood Cultures (SPS)

What are structures that return blood to heart?

Veins

Which term is evidence that an individual had demonstrated proficiency in a particular are of practice?

Certification

What test cannot be collected with dermal punctures?

Blood Cultures and Coagulation

The term Health Insurance Portability and Accountability Act of 1960 regulates what?

PHI- Protected Health Information

What are structures that carry blood away from the heart?

Arteries

Which of the following actions may be performed in a lab?

Wearing a watch

A patient has a seizure while you perform a venipuncture, what should you do?

Remove tourniquet and needle immediately, apply pressure and call nurse.

What does the term multi-sample needle mean?

The needle has a retractable rubber sleeve that covers one end of the needle when a blood collecting tube is not attached.

Which anticoagulant is used for coagulation studies?

Sodium Citrate (Light blue tube)

You have entered a patient’s room and explain you need to draw blood, and they refuse, what do you do next?

Report to physician

Infections agents such as bacteria and viruses represent what hazard?

Biological

Needles and lancets are what kind of safety hazards?

Sharps