NHA Phlebotomy Exam Questions and
Answers 100% Pass
What is the most preferred site for venipuncture? ✔✔Median Cubital
Prior to preforming the capillary (dermal) puncture the PT should select the ✔✔Lancet size
When c
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NHA Phlebotomy Exam Questions and
Answers 100% Pass
What is the most preferred site for venipuncture? ✔✔Median Cubital
Prior to preforming the capillary (dermal) puncture the PT should select the ✔✔Lancet size
When collecting blood cultures from an adult patient it is recommended to collect ✔✔8-10 mL
per bottle
Feather edge reflects the correct results for a ✔✔Peripheral Blood Smear
What tests require fasting ✔✔Glucose, triglycerides, cholesterol, vitamin & mineral problems
and pregnancy
When entering a patients room you should ✔✔introduce yourself and explain procedure
What two factors that determine weather a child should have capillary collection by heel or
stick? ✔✔Age & developmental factors
What is used to collect cerebrospinal fluid, which is a non blood specimen? ✔✔Lumbar tap
What type of alcohol compound is appropriate for a routine skin puncture? ✔✔70% isopropyl
alcohol
When running an IV what is the preferred site for drawing blood specimen? ✔✔Going Distal
If during a venipunture the patient moves needle and needle comes out PT should ✔✔Release
tourniquet
If patient notifies PT of fainting during blood collection you should ✔✔Position in supine
OSHA guidelines are standards for ✔✔Reduction of risks and injuries to employee
The lavender evacuated tube contains ✔✔EDTA
Stool specimen should be refrigerated for 24 hours when conducting what test ✔✔Ova and
parasite test
If a PT needs to collect a prothrombin time from a patient with difficult veins ✔✔A light blue
tube is best
According to CISI order of draw guidelines, the following samples should be collected first
✔✔Cultures
What is the most important info included on MSDS (material safety data sheet) ✔✔The
composition of compounds
In order for blood alcohol level to be admitted by evidence in court of law what must be done
✔✔PT must document the process of cleansing the site with chlohexadine prep
What is needed for proper out patient ID ✔✔Name and DOB
If a patient is a contact isolation ✔✔Precaution gown and gloves must be worn
If a female refuses to get blood drawn from a male for religious purposes ✔✔A female PT
should collect the specimen
A PT should explain the procedure prior to the venipuncture in order to ✔✔Obtain patient
consent
According to CISI the standard depth of dermal puncture for infants is ✔✔2mm
What are one of the complications associated with dermal puncture? ✔✔Osteomyelitis
What is the most common reason for glucose monitoring through point of care testing ✔✔To
monitor glucose levels
If a patient had a mastectomy when preforming a venipuncture you should ✔✔Draw from
opposite arm
When is it appropriate to place specimen in ice when transporting ✔✔For ABG analysis
The timing for a GTT begins when ✔✔Patient finishes drinking glucose solution
The proper order of draw of capillary specimen is ✔✔Lavender, green, gray, SST
An alcohol level test is ordered ✔✔The sodium fluoride tube should be used
After collecting a billirubin test the specimen should ✔✔Be kept away from direct light to
ensure accurate results
Using antimicrobial sanitizers is a way of preventing ✔✔Nosocomial infections
The proper way a Pt should instruct their patient to collect a C&S stool specimen is to tell them
to ✔✔Chill stool specimen in a container
Which veins should be avoided by PT unless otherwise instructed by Physician ✔✔Dorsalis
Pedis
When receiving a specimen collected by a patient PT shoudl ✔✔Compare the lab requisition
form to patient photo ID
After cleansing a site PT should ✔✔Always let the spot dry
What is the most important to verify prior to obtaining specimen ✔✔Patient identity
When performing a capillary collection serum tubes sample should be drawn when? ✔✔Last
What is a complication that could happen is the needle is too small? ✔✔Hemolysis
Which veins should be used by a PT at first choice by a venipuncture on a 3 yr old? ✔✔Dorsal
veins of the hand
What does warming the site do? ✔✔Increases blood flow
When collecting a bilirubin specimen from a newborn it must? ✔✔Be protected from the light
If PT is inserting needle and patient complains of sharp radiating pain down his arm you should?
✔✔Release tourniquet, remove needle and apply pressure and cover
What is needed for homeostasis to take place? ✔✔Thrombocytes
When collecting a capillary specimen after the site is punctured you should? ✔✔Wipe the first
draw
When is the winged infusion needle used? ✔✔With patients who have fragile veins
If the PT observes a hematoma forming at the site of draw the PT should? ✔✔Release tourniquet
and stop draw
When a PT enters room without introducing or asking permission to enter its considered
✔✔Invasion of privacy
The duties of a PT are to ✔✔Instruct and greet patients
When drawing blood on a small child the PT should explain procedure to ✔✔Parents and child
When performing a dermal puncture on patients 1 year or older they should perform it on which
finger? ✔✔Middle finger
A PT has orders to draw blood cultures, CBC, PTT, and iron panels but forgets to draw PTT
what should you do? ✔✔Draw a discard tube and redraw blood cultures
Quality control testing of glucometer is important to ✔✔Promote accurate test results
What are additives sodium citrate and EDTA used to prevent? ✔✔Hemostais
While on flood a PT is paged for a STAT which is the most useful to PT? ✔✔Room location
During venipuncture the needle in the vein and bloodflow is established when the second tube is
attached blood flow stops the PT should ✔✔Rotate the bevel of needle
While the PT is drawing and patient reports feeling lightheaded and faints PT should
✔✔Remove tourniquet
All test results of hospital patients are available to physicians and nursing staff in house via
✔✔Internet
While preforming donor phlebotomy for blood bank PT should use what size needle? ✔✔18-16
gauge
Vein located laterally on arm is called ✔✔Cephalic
Hemoconcentration of a venous blood sample is most often caused when ✔✔The tourniquet is in
place for more than 2 mins
When performing a draw on a diabetic patient with small fragile veins and PT misses twice the
PT should ✔✔Ask another PT to obtain
Utilizing tubes that have expired may result in ✔✔Loss of vacuum
What causes hemolysis ✔✔Vigorously inverting tubes
Dermal puncture performed on an infant are routinely collected from ✔✔Lateral plantar surface
After introducing yourself you should ✔✔Correctly identify patient
What is negligence ✔✔Failure to demonstrate proper care that results in an injury to another
person
Heel sticks are done for which neonatal screening ✔✔PKU
For patient compliance with GTT test PT should ✔✔Confirm patient has been fasting
Sclerosed vein ✔✔Hardening of vein
Hemoconcentration ✔✔Concentration of blood
Hematoma ✔✔Accumulation of blood under skin
Phlebitis ✔✔Inflammation of the vein
Thrombus ✔✔Blood clot
Petechaie ✔✔Tiny hemorrhage
Thrombophlebitis ✔✔Infected clot in vein
Spticemia ✔✔Infection in the blood
Trauma ✔✔Bruses
When is povidone iodine solution used? ✔✔For collections that require more stringent infection
control ex blood cultures and arterial punctures
When is chlorhexidine gluconate used? ✔✔For those allergic to iodine and tests for alcohol
What should you do when antibodies are produced in response to an infection? ✔✔The specimen
must be kept warm until the serum is separated from the cells
What specimens must be chilled immediately after collection? ✔✔ABG blood gases, ammonia,
latic acid, pyruvate, ACTH, gastrin and parathyroid hormone
Which specimens must be protected from light after collection? ✔✔Bilirubin, beta carotene,
vitamin A & B6 and prophyrins
Where should dermal puncture be preformed for adult? ✔✔Distal segment of third or fourth
finger of non dominant hand
Where should dermal puncture be preformed for infant less than 1 year? ✔✔The heel cant go
deeper than 2 mm
What is order of draw for capillary punctures? ✔✔Lavender, tubes with additives, tubes with no
additives
Pre analytical errors ✔✔Patient misidentification, inadequate fast, patient posture, poor
coordination with other treatment
Post analytical erros ✔✔Processing delays, failure to separate serum from cells, rimming clots
Intra/ Co analytical errors ✔✔Under filling tubes
After draw the patient begins to twitch and shake and her eyes roll back what should PT do
✔✔Observe patient and help protect against injury
If before draw pattient was very talkative and after draw becomes quiet and stares blankly you
should? ✔✔Ask if he or she is okay and feels faint
When collecting blood in an evacuated tube hemolysis would occur with which gauge needle>
✔✔25'
What are signs PT should recognize on patient during venipuncture? ✔✔Cold, calmmy, and
diaphoretic skin
If a patient turns pale and complains of nausea when PT is about to collect these are signs of
what ✔✔Syncope
Where should a PT document test preformed with regent products as part of protocol ✔✔On a
quality control log
To ensure safety of PT and psychiatric patients and others a PT should ✔✔Bring all necessary
equipment to patients room
What does SST in a collection tube indicate ✔✔To indicate if plasma is used and distinguish
weather a collection tube contains serum or plasma
Because of time between collection and plasma separation the PT should ✔✔Centrifuge
specimen
If a PT is ordered to draw blood from a 6lb newborn from the NICU and the order states blood
draw for HCT, HGB and potassium every 24 hours what is a complication for patient?
✔✔Hemolytic anemia
What is the percent of body weight is the volume of blood that can be drawn at one time or short
period of time before patient faces the risk of latrogenic anemia? ✔✔10-20%
What must be followed exactly whenever a PT draws patient test samples that may be used in a
legal proceeding? ✔✔Chain of custody
For inpatient in addition to patients complete name and DOB, medical record # what else must
be included in the physicians requisition form ✔✔Test to be preformed
A positive HIV test results are an example of ✔✔Point of care testing
When labeling a non blood specimen where must the label be put ✔✔On the container
Quality assurance standards include ✔✔Procedure manuals, instrument maintenance, quality
control and proficiency testing
A STAT electrolyte panels was reported to have critically high sodium levels ✔✔Use gold tube
explains pre analytic error
What would exclude a patient from donating blood? ✔✔Obesity
The emergency dept sends 2 swabs from 2 year old child for influenza and strep only one swab
has patients label PT should ✔✔Run test on labeled swab
Which is a likely result of filling a light blue tube with a ratio 1:6 ✔✔False elevation of
international normalized ratio
When drawing blood PT should instruct patient to ✔✔Make a fist do not pump
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