The process by which complex substances are broken down into simple substances is called Correct Answer: Catabolism
When a patient develops syncope during a venipuncture, the phlebotomist should first: Correct Answer: remove the tourniquet and needle and then call for help.
Which substance ...
RPT practice test (AMT certification) 200 QUESTIONS
WITH COMPLETE SOLUTIONS
The process by which complex substances are broken down into simple substances is called Correct Answer: Catabolism
When a patient develops syncope during a venipuncture, the phlebotomist should first: Correct Answer: remove the tourniquet and needle and then call for help.
Which substance has a higher concentration in capillary blood than in venous blood? Correct Answer: Glucose is normally higher in capillary blood compared to venous blood and Potassium, Calcium and Total Protein are normally lower
If a patient is critical or an antibiotic needs to be given right away, and two blood culture sets are
collected Correct Answer: When more than one set of blood cultures are ordered to be collected at the same time, the second set should be obtained from a separately prepared site on the opposite arm if possible
When performing a capillary blood collection, the first blood drop is wiped away because Correct Answer: the first drop typically has more tissue fluid
Why is it necessary to wipe the first drop of blood away when performing a capillary procedure? Correct Answer: to eliminate excess tissue fluid;To reduce interstitial fluid contamination
The color-coded tube that is most frequently associated with coagulation tests is Correct Answer:
light blue
How far above the venipuncture site should the tourniquet be wrapped around the arm? Correct Answer: 3 to 4 inches
How long should a tourniquet be placed around a patient's arm? Correct Answer: No more than one minute
When is a phlebotomist allowed to perform a venipuncture on an ankle vein? Correct Answer: When all other options have been exhausted and the physician has given approval
Prior to bandaging the puncture site the phlebotomist should Correct Answer: examine the site for bleeding
During venipuncture, a hematoma may result from which of the following? Correct Answer: Needle bevel is partially inserted into a vein
Alcohol should be allowed to dry completely prior to skin puncture to Correct Answer: prevent lysis of red blood cells When palpating, a vein having which one of the following characteristics would be most appropriate to select for venipuncture? Correct Answer: Bouncy
Following venipuncture, which of the following should be applied to the venipuncture site? Correct Answer: Clean, sterile gauze pad
What is the preferred method for infant blood collection? Correct Answer: Capillary
Which of the following actions could cause the formation of a hematoma? Correct Answer: The needle penetrates all the way through the vein
what is the most critically affected analyte in a hemolyzed specimen Correct Answer: Potassium
The heel is the recommended site for collection of capillary puncture specimens on infants and the phlebotomist is going to stick in the posterior curvature of the heel. Is this correct? Correct Answer: No the medial plantar surface of the heel is the best site to prevent possible bone damage
You have properly prepared the antecubital venipuncture site, you have the corrrect collection device and enter the vein at a 20 degree angle. Is this the proper angle of insertion? Correct Answer: No, 30 degrees is the correct angle for the needle to be inserted into the skin
If blood begins to flow and then stops when an evacuated tube is pushed into the needle the most
likely cause is the Correct Answer: bevel of the needle resting against the vein wall.
Petechiae are tiny, nonraised red spots on a patient's skin when the tourniquet is applied. This indicates, that Correct Answer: Petechiae, the tiny red spots, are minute drops of blood that escapes from the capillaries and comes to the surface of the skin below the tourniquet and indicate that the venipuncture site may bleed excessively
When is a phlebotomist allowed to use ankle veins to draw blood? Correct Answer: With a physician's order
The most critical part of a blood culture collection is Correct Answer: skin antisepsis of the collection site
Swelling caused from blood leaking from a blood vessel is Correct Answer: hematoma
If serum is left to remain on the blood clot for more than one hour, which of the following most likely will occur? Correct Answer: Serum glucose levels decrease
The liquid portion of an anticoagulated blood specimen is called Correct Answer: plasma
A collapsed vein will cause a Correct Answer: If a vein collapses during venipuncture there will be a cessation of blood flow. Color coding indicates a needle's Correct Answer: gauge
An individual comes in for an autologous donation, what is this person coming to do Correct Answer: Donating their own blood for their own use
Blood smears made from EDTA specimens must be prepared within ____ hour of collection. Correct Answer: one
Proper identification of a coherent adult inpatient includes Correct Answer: ask the patient their name and check the identification band that is physically attached to the patient.
Which of the following would be first in the sequence of performing a finger stick procedure? Correct Answer: a. Sanitize hands and put on gloves. (Correct)
b. Clean and air-dry the puncture site.
c. Select the puncture/incision site.
d. Warm the puncture/incision site.
To prevent glycolysis, which additive is used? Correct Answer: Sodium Flouride
Partial penetration of the upper wall of a vein may Correct Answer: allow blood to leak into subcutaneous tissue by way of the needle bevel
Older patients are more prone to hematoma formation because Correct Answer: their veins have decreased elasticity
A phlebotomist most likely not use a butterfly for which of the following patients? Correct Answer: a. An elderly patient with thin skin
b. A wiggling child
c. A patient with resilient and bouncy veins (Correct)
d. A patient with small, thin veins
Preanalytical errors are mistakes made when? Correct Answer: before laboratory testing.
is placing a gauze pad over the venipuncture site and holding pressure for 5 to 15 minutes the correct procedure to stop bleeding? Correct Answer: yes
The most common antiseptic for routine blood collection is Correct Answer: 70% isopropyl alcohol
The phlebotomist has a patient who has no known allergies and in preparing the venipuncture site the phlebotomist uses iodine to clean the site. Is this the best antiseptic to use and the most commonly used anticeptic used to prepare a routine venipuncture site on a patient with no known
allergies? Correct Answer: No, the phlebotomist should use 70% isopropyl alcohol.
The main reason not to use expired evacuated tubes for blood specimen collection is Correct Answer: they may exhibit incomplete filling.
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