NHA Phlebotomy Exam Test Questions And
Answers (2026/2027) Verified 100% Correct
If the PT observes a hematoma forming at the site of draw the PT should? -
ANSWER -Release tourniquet and stop draw
When a PT enters room without introducing or asking permission to enter its
considered - ANSWER -Invasion of privacy
The duties of a PT are to - ANSWER -Instruct and greet patients
When drawing blood on a small child the PT should explain procedure to -
ANSWER -Parents and child
When performing a dermal puncture on patients 1 year or older they should
perform it on which finger? - ANSWER -Middle finger
A PT has orders to draw blood cultures, CBC, PTT, and iron panels but forgets to
draw PTT what should you do? - ANSWER -Draw a discard tube and redraw
blood cultures
Quality control testing of glucometer is important to - ANSWER -Promote
accurate test results
What are additives sodium citrate and EDTA used to prevent? - ANSWER -
Hemostais
While on flood a PT is paged for a STAT which is the most useful to PT? -
ANSWER -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 - ANSWER -Rotate the
bevel of needle
While the PT is drawing and patient reports feeling lightheaded and faints PT
should - ANSWER -Remove tourniquet
All test results of hospital patients are available to physicians and nursing staff in
house via - ANSWER -Internet
,While preforming donor phlebotomy for blood bank PT should use what size
needle? - ANSWER -18-16 gauge
Vein located laterally on arm is called - ANSWER -Cephalic
Hemoconcentration of a venous blood sample is most often caused when -
ANSWER -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 - ANSWER -Ask another PT to obtain
Utilizing tubes that have expired may result in - ANSWER -Loss of vacuum
What causes hemolysis - ANSWER -Vigorously inverting tubes
Dermal puncture performed on an infant are routinely collected from - ANSWER
-Lateral plantar surface
After introducing yourself you should - ANSWER -Correctly identify patient
What is negligence - ANSWER -Failure to demonstrate proper care that results in
an injury to another person
Heel sticks are done for which neonatal screening - ANSWER -PKU
For patient compliance with GTT test PT should - ANSWER -Confirm patient has
been fasting
Sclerosed vein - ANSWER -Hardening of vein
Hemoconcentration - ANSWER -Concentration of blood
Hematoma - ANSWER -Accumulation of blood under skin
Phlebitis - ANSWER -Inflammation of the vein
Thrombus - ANSWER -Blood clot
Petechaie - ANSWER -Tiny hemorrhage
, Thrombophlebitis - ANSWER -Infected clot in vein
Spticemia - ANSWER -Infection in the blood
Trauma - ANSWER -Bruses
When is povidone iodine solution used? - ANSWER -For collections that require
more stringent infection control ex blood cultures and arterial punctures
When is chlorhexidine gluconate used? - ANSWER -For those allergic to iodine
and tests for alcohol
What should you do when antibodies are produced in response to an infection? -
ANSWER -The specimen must be kept warm until the serum is separated from the
cells
What specimens must be chilled immediately after collection? - ANSWER -ABG
blood gases, ammonia, latic acid, pyruvate, ACTH, gastrin and parathyroid
hormone
Which specimens must be protected from light after collection? - ANSWER -
Bilirubin, beta carotene, vitamin A & B6 and prophyrins
Where should dermal puncture be preformed for adult? - ANSWER -Distal
segment of third or fourth finger of non dominant hand
Where should dermal puncture be preformed for infant less than 1 year? -
ANSWER -The heel cant go deeper than 2 mm
What is order of draw for capillary punctures? - ANSWER -Lavender, tubes with
additives, tubes with no additives
Pre analytical errors - ANSWER -Patient misidentification, inadequate fast,
patient posture, poor coordination with other treatment
Post analytical erros - ANSWER -Processing delays, failure to separate serum
from cells, rimming clots
Intra/ Co analytical errors - ANSWER -Under filling tubes
Answers (2026/2027) Verified 100% Correct
If the PT observes a hematoma forming at the site of draw the PT should? -
ANSWER -Release tourniquet and stop draw
When a PT enters room without introducing or asking permission to enter its
considered - ANSWER -Invasion of privacy
The duties of a PT are to - ANSWER -Instruct and greet patients
When drawing blood on a small child the PT should explain procedure to -
ANSWER -Parents and child
When performing a dermal puncture on patients 1 year or older they should
perform it on which finger? - ANSWER -Middle finger
A PT has orders to draw blood cultures, CBC, PTT, and iron panels but forgets to
draw PTT what should you do? - ANSWER -Draw a discard tube and redraw
blood cultures
Quality control testing of glucometer is important to - ANSWER -Promote
accurate test results
What are additives sodium citrate and EDTA used to prevent? - ANSWER -
Hemostais
While on flood a PT is paged for a STAT which is the most useful to PT? -
ANSWER -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 - ANSWER -Rotate the
bevel of needle
While the PT is drawing and patient reports feeling lightheaded and faints PT
should - ANSWER -Remove tourniquet
All test results of hospital patients are available to physicians and nursing staff in
house via - ANSWER -Internet
,While preforming donor phlebotomy for blood bank PT should use what size
needle? - ANSWER -18-16 gauge
Vein located laterally on arm is called - ANSWER -Cephalic
Hemoconcentration of a venous blood sample is most often caused when -
ANSWER -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 - ANSWER -Ask another PT to obtain
Utilizing tubes that have expired may result in - ANSWER -Loss of vacuum
What causes hemolysis - ANSWER -Vigorously inverting tubes
Dermal puncture performed on an infant are routinely collected from - ANSWER
-Lateral plantar surface
After introducing yourself you should - ANSWER -Correctly identify patient
What is negligence - ANSWER -Failure to demonstrate proper care that results in
an injury to another person
Heel sticks are done for which neonatal screening - ANSWER -PKU
For patient compliance with GTT test PT should - ANSWER -Confirm patient has
been fasting
Sclerosed vein - ANSWER -Hardening of vein
Hemoconcentration - ANSWER -Concentration of blood
Hematoma - ANSWER -Accumulation of blood under skin
Phlebitis - ANSWER -Inflammation of the vein
Thrombus - ANSWER -Blood clot
Petechaie - ANSWER -Tiny hemorrhage
, Thrombophlebitis - ANSWER -Infected clot in vein
Spticemia - ANSWER -Infection in the blood
Trauma - ANSWER -Bruses
When is povidone iodine solution used? - ANSWER -For collections that require
more stringent infection control ex blood cultures and arterial punctures
When is chlorhexidine gluconate used? - ANSWER -For those allergic to iodine
and tests for alcohol
What should you do when antibodies are produced in response to an infection? -
ANSWER -The specimen must be kept warm until the serum is separated from the
cells
What specimens must be chilled immediately after collection? - ANSWER -ABG
blood gases, ammonia, latic acid, pyruvate, ACTH, gastrin and parathyroid
hormone
Which specimens must be protected from light after collection? - ANSWER -
Bilirubin, beta carotene, vitamin A & B6 and prophyrins
Where should dermal puncture be preformed for adult? - ANSWER -Distal
segment of third or fourth finger of non dominant hand
Where should dermal puncture be preformed for infant less than 1 year? -
ANSWER -The heel cant go deeper than 2 mm
What is order of draw for capillary punctures? - ANSWER -Lavender, tubes with
additives, tubes with no additives
Pre analytical errors - ANSWER -Patient misidentification, inadequate fast,
patient posture, poor coordination with other treatment
Post analytical erros - ANSWER -Processing delays, failure to separate serum
from cells, rimming clots
Intra/ Co analytical errors - ANSWER -Under filling tubes
