AMT MT — Molecular Diagnostics / Clinical Laboratory
Practice Study guide
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. Color coding indicates a needle's - Correct Answer: gauge
2. Why is it necessary to wipe the first drop of blood away when performing a
capillary procedure? - Correct Answer: To reduce interstitial fluid
contamination
3. 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
4. Heparinized plasma is preferred over serum for some chemistry tests.
Heparin prevents clotting by - Correct Answer: inactivating thrombin.
5. Which of the following may cause hematoma formation? - Correct
Answer: Having patient bend elbow to apply pressure
6. By bracing the hand while holding the needle assembly against the patients
arm you - Correct Answer: prevent excess needle movement.
,7. When performing a capillary blood collection, the first blood drop is wiped
away because - Correct Answer: the first drop typically has more tissue
fluid.
8. Preanalytical errors are mistakes made - Correct Answer: before
laboratory testing
9. What antiseptic should the phlebotomy technician use to collect a blood
culture? - Correct Answer: Chlorhexidine gluconate
10.The main reason not to use expired evacuated tubes for blood specimen
collection is - Correct Answer: they may exhibit incomplete filling.
11.Older patients are more prone to hematoma formation because -
Correct Answer: their veins have decreased elasticity.
12.What abnormal color will be observed in serum collected from a patient
with jaundice due to elevated bilirubin levels? - Correct Answer: Yellow
13.Which substance has a higher concentration in capillary blood than in
venous blood? - Correct Answer: Glucose
14.Which of the following actions could cause the formation of a hematoma? -
Correct Answer: The needle penetrates all the way through the vein
, 15.To prevent glycolysis, which additive is used? - Correct Answer: Sodium
Fluoride
16.When blood is inoculated into blood culture bottles using a butterfly
apparatus the - Correct Answer: aerobic bottle in inoculated first.
17.Which of the following conditions would be most likely cause
hemoconcentration? - Correct Answer: Dehydration
18.A collapsed vein will cause a - Correct Answer: cessation of blood flow
19.If a vein feels hard and thready like when palpated, then this vein may be -
Correct Answer: sclerosed.
20.Blood smears made from EDTA specimens must be prepared within what
period of time? - Correct Answer: 1 hour of collection.
21.Alcohol should be allowed to dry completely prior to skin puncture to -
Correct Answer: prevent lysis of red blood cells
22.Name an are from which blood should NOT be collected from: - Correct
Answer: a Basilic vein
Practice Study guide
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. Color coding indicates a needle's - Correct Answer: gauge
2. Why is it necessary to wipe the first drop of blood away when performing a
capillary procedure? - Correct Answer: To reduce interstitial fluid
contamination
3. 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
4. Heparinized plasma is preferred over serum for some chemistry tests.
Heparin prevents clotting by - Correct Answer: inactivating thrombin.
5. Which of the following may cause hematoma formation? - Correct
Answer: Having patient bend elbow to apply pressure
6. By bracing the hand while holding the needle assembly against the patients
arm you - Correct Answer: prevent excess needle movement.
,7. When performing a capillary blood collection, the first blood drop is wiped
away because - Correct Answer: the first drop typically has more tissue
fluid.
8. Preanalytical errors are mistakes made - Correct Answer: before
laboratory testing
9. What antiseptic should the phlebotomy technician use to collect a blood
culture? - Correct Answer: Chlorhexidine gluconate
10.The main reason not to use expired evacuated tubes for blood specimen
collection is - Correct Answer: they may exhibit incomplete filling.
11.Older patients are more prone to hematoma formation because -
Correct Answer: their veins have decreased elasticity.
12.What abnormal color will be observed in serum collected from a patient
with jaundice due to elevated bilirubin levels? - Correct Answer: Yellow
13.Which substance has a higher concentration in capillary blood than in
venous blood? - Correct Answer: Glucose
14.Which of the following actions could cause the formation of a hematoma? -
Correct Answer: The needle penetrates all the way through the vein
, 15.To prevent glycolysis, which additive is used? - Correct Answer: Sodium
Fluoride
16.When blood is inoculated into blood culture bottles using a butterfly
apparatus the - Correct Answer: aerobic bottle in inoculated first.
17.Which of the following conditions would be most likely cause
hemoconcentration? - Correct Answer: Dehydration
18.A collapsed vein will cause a - Correct Answer: cessation of blood flow
19.If a vein feels hard and thready like when palpated, then this vein may be -
Correct Answer: sclerosed.
20.Blood smears made from EDTA specimens must be prepared within what
period of time? - Correct Answer: 1 hour of collection.
21.Alcohol should be allowed to dry completely prior to skin puncture to -
Correct Answer: prevent lysis of red blood cells
22.Name an are from which blood should NOT be collected from: - Correct
Answer: a Basilic vein
