TEST BANK
ASCP Phlebotomy Certification Exam Prep | Latest
Edition | Verified Questions & Correct Answers with
Detailed Rationales | A+ Rated Study Resource
What is NOT true of arteries?
MULTICHOICES
a. Arteries carry blood away from the heart
b. Arteries have thick muscular walls
c. Arteries carry deoxygenated blood away from the heart
d. Arteries help maintain blood pressure during cardiac relaxation
Correct Answer: c. Arteries carry deoxygenated blood away from the
heart
Rationale: Most arteries carry oxygenated blood; only the pulmonary
arteries carry deoxygenated blood to the lungs.
,What is true concerning required neonatal screening for
phenylketonuria (PKU)?
MULTICHOICES
a. Touch the filter paper directly to the puncture site
b. Apply blood drops to the printed side only
c. Never touch the filter paper directly to the puncture site
d. Collect blood immediately after birth
Correct Answer: c. Never touch the filter paper directly to the puncture
site
Rationale: Touching the filter paper directly can cause contamination or
inaccurate results.
When performing capillary punctures on neonates, what is the correct
order of collection?
MULTICHOICES
a. Chemistry, Blood Bank, Hematology
b. Hematology, Chemistry, Blood Bank
c. Blood Bank, Hematology, Chemistry
d. Microbiology, Hematology, Chemistry
Correct Answer: b. Hematology, Chemistry, Blood Bank
Rationale: Hematology specimens are collected first to prevent clotting
and platelet clumping.
Arterial blood leaves the heart through which vessel?
MULTICHOICES
,a. Pulmonary artery
b. Aorta
c. Superior vena cava
d. Pulmonary vein
Correct Answer: b. Aorta
Rationale: The aorta carries oxygenated blood from the left ventricle to
the body.
Arterial walls have thick layers of what tissue to withstand blood
pressure?
MULTICHOICES
a. Elastic fibers
b. Connective tissue
c. Muscle
d. Endothelial lining
Correct Answer: c. Muscle
Rationale: Smooth muscle in arterial walls maintains blood flow and
pressure during heart contractions.
Blood culture collection sites are prepared by swabbing with iodine,
which is left on for at least:
MULTICHOICES
a. 5 seconds
b. 10 seconds
c. 20 seconds
d. 60 seconds
, Correct Answer: c. 20 seconds
Rationale: Iodine must remain on the skin for at least 20 seconds to
achieve proper antisepsis.
A blood sample collected in a tube without anticoagulant would
contain:
MULTICHOICES
a. Plasma
b. Serum
c. Whole blood
d. Buffy coat
Correct Answer: b. Serum
Rationale: Serum is the liquid portion remaining after coagulation.
When blood leaves the right ventricle, it enters the:
MULTICHOICES
a. Aorta
b. Pulmonary veins
c. Right and left pulmonary arteries
d. Superior vena cava
Correct Answer: c. Right and left pulmonary arteries
Rationale: The pulmonary arteries carry deoxygenated blood to the
lungs for oxygenation.
STAT specimens:
MULTICHOICES
ASCP Phlebotomy Certification Exam Prep | Latest
Edition | Verified Questions & Correct Answers with
Detailed Rationales | A+ Rated Study Resource
What is NOT true of arteries?
MULTICHOICES
a. Arteries carry blood away from the heart
b. Arteries have thick muscular walls
c. Arteries carry deoxygenated blood away from the heart
d. Arteries help maintain blood pressure during cardiac relaxation
Correct Answer: c. Arteries carry deoxygenated blood away from the
heart
Rationale: Most arteries carry oxygenated blood; only the pulmonary
arteries carry deoxygenated blood to the lungs.
,What is true concerning required neonatal screening for
phenylketonuria (PKU)?
MULTICHOICES
a. Touch the filter paper directly to the puncture site
b. Apply blood drops to the printed side only
c. Never touch the filter paper directly to the puncture site
d. Collect blood immediately after birth
Correct Answer: c. Never touch the filter paper directly to the puncture
site
Rationale: Touching the filter paper directly can cause contamination or
inaccurate results.
When performing capillary punctures on neonates, what is the correct
order of collection?
MULTICHOICES
a. Chemistry, Blood Bank, Hematology
b. Hematology, Chemistry, Blood Bank
c. Blood Bank, Hematology, Chemistry
d. Microbiology, Hematology, Chemistry
Correct Answer: b. Hematology, Chemistry, Blood Bank
Rationale: Hematology specimens are collected first to prevent clotting
and platelet clumping.
Arterial blood leaves the heart through which vessel?
MULTICHOICES
,a. Pulmonary artery
b. Aorta
c. Superior vena cava
d. Pulmonary vein
Correct Answer: b. Aorta
Rationale: The aorta carries oxygenated blood from the left ventricle to
the body.
Arterial walls have thick layers of what tissue to withstand blood
pressure?
MULTICHOICES
a. Elastic fibers
b. Connective tissue
c. Muscle
d. Endothelial lining
Correct Answer: c. Muscle
Rationale: Smooth muscle in arterial walls maintains blood flow and
pressure during heart contractions.
Blood culture collection sites are prepared by swabbing with iodine,
which is left on for at least:
MULTICHOICES
a. 5 seconds
b. 10 seconds
c. 20 seconds
d. 60 seconds
, Correct Answer: c. 20 seconds
Rationale: Iodine must remain on the skin for at least 20 seconds to
achieve proper antisepsis.
A blood sample collected in a tube without anticoagulant would
contain:
MULTICHOICES
a. Plasma
b. Serum
c. Whole blood
d. Buffy coat
Correct Answer: b. Serum
Rationale: Serum is the liquid portion remaining after coagulation.
When blood leaves the right ventricle, it enters the:
MULTICHOICES
a. Aorta
b. Pulmonary veins
c. Right and left pulmonary arteries
d. Superior vena cava
Correct Answer: c. Right and left pulmonary arteries
Rationale: The pulmonary arteries carry deoxygenated blood to the
lungs for oxygenation.
STAT specimens:
MULTICHOICES
