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NWCA EXAM AND STUDY GUIDE NEWEST 2025 TEST
BANK| COMPLETE 400 REAL EXAM QUESTIONS AND
CORRECT VERIFIED ANSWERS/ ALREADY GRADED
A+| NWCA REVIEW 2025 (BRAND NEW!!)
What is angiogram? - ANSWER - radioactive dye injected into the blood
and X-rays are used view the passage of the blood through blood
vessels.
what is a cholecystography? - ANSWER - is an Xray of your gallbladder
what heart valves that open to allow the ventricles to fill are... -
ANSWER - tricuspid and mitral valves
what are the 3 layers of the heart muscle - ANSWER - endocardium
(inner layer), myocardium (middle layer), and the pericardium (outer
layer).
what delivers deoxygenated blood from the body to the heart? -
ANSWER - inferior and superior vena cava
what deliver oxygenated blood from the lungs to the left atrium of the
heart? - ANSWER - pulmonary veins
pg. 1
,2|Page
rate of the pacemaker site in the SA node - ANSWER - 60-100
rate of the pacemaker site in the AV node - ANSWER - 40-60
rate of the pacemaker site in the ventricles - ANSWER - 20-40
names of the 2 cardiac cycles - ANSWER - systole and diastole
What is Depolarization? - ANSWER - is an electrical event that occurs
in cardiac cells and should result in muscle contraction.
What does "p-wave" mean? - ANSWER - means the pacemaker site is
the SA Node and that mean the rhythm is called a normal sinus rhythm
Normal PR interval - ANSWER - 0.12-0.20 seconds
Normal QRS complex - ANSWER - less than 0.12 seconds
Normal QT interval - ANSWER - 0.34-0.43 seconds
What does the P wave represent? - ANSWER - atrial depolarization
(atrial contraction)
pg. 2
,3|Page
What does the QRS complex represent? - ANSWER - ventricular
depolarization
What does the light pink box represent on the EKG strip? How many
times do you multiply by? - ANSWER - 0.04 of measured time, multiply
by 5.
Where is V1 located? - ANSWER - 4th intercostal space to the right of
the sternum
Where is the AVL lead placed - ANSWER - on the right sternal border
what does needle sticks cause? - ANSWER - a transmission of
bloodborne pathogens
what is used most of the time to draw blood? - ANSWER - median
cubital vein
what is the addictive in a royal blue tube? - ANSWER - a clot activator
what is the additive in a yellow-topped tube - ANSWER - sodium
polyanthuses-sulfonate
what is the color of a blood bank collection tube? - ANSWER - pink
pg. 3
, 4|Page
what is the color of the blood test with DIFF? what is tested in this tube?
- ANSWER - Purple, CBC
what is attached to a syringe to allow blood to flow into the blood
collection tubes without contamination? - ANSWER - Syringe transfer
unit
what is the average skin depth for a capillary blood collection? -
ANSWER - 2-3 mm
what is the blood specimen test that requires chilling? - ANSWER -
blood gases/ammonia/Gastrin
why would you use a recliner during a blood draw? - ANSWER - in case
a patient tends to faint
what does the chain of custody mean? - ANSWER - that the specimen is
tracked and signed for by each person it comes in contact with
Why is a swaged needle is used to sew up a laceration? - ANSWER - It
causes less tissue damage.
Fasting for a test requires how many hours of NPO (nothing by mouth) -
ANSWER - 8-12 hours
pg. 4
NWCA EXAM AND STUDY GUIDE NEWEST 2025 TEST
BANK| COMPLETE 400 REAL EXAM QUESTIONS AND
CORRECT VERIFIED ANSWERS/ ALREADY GRADED
A+| NWCA REVIEW 2025 (BRAND NEW!!)
What is angiogram? - ANSWER - radioactive dye injected into the blood
and X-rays are used view the passage of the blood through blood
vessels.
what is a cholecystography? - ANSWER - is an Xray of your gallbladder
what heart valves that open to allow the ventricles to fill are... -
ANSWER - tricuspid and mitral valves
what are the 3 layers of the heart muscle - ANSWER - endocardium
(inner layer), myocardium (middle layer), and the pericardium (outer
layer).
what delivers deoxygenated blood from the body to the heart? -
ANSWER - inferior and superior vena cava
what deliver oxygenated blood from the lungs to the left atrium of the
heart? - ANSWER - pulmonary veins
pg. 1
,2|Page
rate of the pacemaker site in the SA node - ANSWER - 60-100
rate of the pacemaker site in the AV node - ANSWER - 40-60
rate of the pacemaker site in the ventricles - ANSWER - 20-40
names of the 2 cardiac cycles - ANSWER - systole and diastole
What is Depolarization? - ANSWER - is an electrical event that occurs
in cardiac cells and should result in muscle contraction.
What does "p-wave" mean? - ANSWER - means the pacemaker site is
the SA Node and that mean the rhythm is called a normal sinus rhythm
Normal PR interval - ANSWER - 0.12-0.20 seconds
Normal QRS complex - ANSWER - less than 0.12 seconds
Normal QT interval - ANSWER - 0.34-0.43 seconds
What does the P wave represent? - ANSWER - atrial depolarization
(atrial contraction)
pg. 2
,3|Page
What does the QRS complex represent? - ANSWER - ventricular
depolarization
What does the light pink box represent on the EKG strip? How many
times do you multiply by? - ANSWER - 0.04 of measured time, multiply
by 5.
Where is V1 located? - ANSWER - 4th intercostal space to the right of
the sternum
Where is the AVL lead placed - ANSWER - on the right sternal border
what does needle sticks cause? - ANSWER - a transmission of
bloodborne pathogens
what is used most of the time to draw blood? - ANSWER - median
cubital vein
what is the addictive in a royal blue tube? - ANSWER - a clot activator
what is the additive in a yellow-topped tube - ANSWER - sodium
polyanthuses-sulfonate
what is the color of a blood bank collection tube? - ANSWER - pink
pg. 3
, 4|Page
what is the color of the blood test with DIFF? what is tested in this tube?
- ANSWER - Purple, CBC
what is attached to a syringe to allow blood to flow into the blood
collection tubes without contamination? - ANSWER - Syringe transfer
unit
what is the average skin depth for a capillary blood collection? -
ANSWER - 2-3 mm
what is the blood specimen test that requires chilling? - ANSWER -
blood gases/ammonia/Gastrin
why would you use a recliner during a blood draw? - ANSWER - in case
a patient tends to faint
what does the chain of custody mean? - ANSWER - that the specimen is
tracked and signed for by each person it comes in contact with
Why is a swaged needle is used to sew up a laceration? - ANSWER - It
causes less tissue damage.
Fasting for a test requires how many hours of NPO (nothing by mouth) -
ANSWER - 8-12 hours
pg. 4
