Question 1

The maximum safe length of lancets used for heel puncture is:

Accepted Answer

A)  1.5 mm. 
B)  2.0 mm. 
C)  2.75 mm. 
D)  3.4 mm. 
A)  1.5 mm. 
B)  2.0 mm. 
C)  2.75 mm. 
D)  3.4 mm.

Question 2

Which of these complications is associated with deep vein puncture in infants?

Accepted Answer

A)  Danger to nearby organs 
B)  Venous thrombosis 
C)  Reflex arteriospasm 
D)  All of the above 
A)  Danger to nearby organs 
B)  Venous thrombosis 
C)  Reflex arteriospasm 
D)  All of the above

Question 3

Microhematocrit capillary tubes are held horizontally while being filled.

Accepted Answer

A) True 
 B)False

Question 4

Bandages are not recommended for newborns following heel puncture.

Accepted Answer

A) True 
 B)False

Question 5

A blood collector is recollecting a dermal puncture sample because of hemolysis.The patient complains about a stinging sensation from the first puncture.The most probable cause of the hemolysis in the first sample is:

Accepted Answer

A)  not allowing alcohol to dry. 
B)  excessive massaging. 
C)  vigorous mixing of the microcollection tube. 
D)  use of a small lancet. 
A)  not allowing alcohol to dry. 
B)  excessive massaging. 
C)  vigorous mixing of the microcollection tube. 
D)  use of a small lancet.

Question 6

A health-care provider questions the low bilirubin result on a jaundiced baby.This discrepancy may be due to:

Accepted Answer

A)  puncturing too deeply into the heel. 
B)  exposing the sample to the bili light. 
C)  collecting in an amber container. 
D)  collecting too much blood. 
A)  puncturing too deeply into the heel. 
B)  exposing the sample to the bili light. 
C)  collecting in an amber container. 
D)  collecting too much blood.

Question 7

Which of the following are microsample collection containers?

Accepted Answer

A)  Heparin capillary tubes 
B)  Microtainer tubes 
C)  Micropipettes 
D)  All of the above 
A)  Heparin capillary tubes 
B)  Microtainer tubes 
C)  Micropipettes 
D)  All of the above

Question 8

To produce a rounded drop of blood,finger punctures should be made:

Accepted Answer

A)  on the index finger. 
B)  on the fingerprint. 
C)  before the alcohol is dry. 
D)  across the fingerprint. 
A)  on the index finger. 
B)  on the fingerprint. 
C)  before the alcohol is dry. 
D)  across the fingerprint.

Question 9

Alternating between venipuncture and dermal puncture collection techniques is not recommended when comparing test results for:

Accepted Answer

A)  bilirubin. 
B)  hemoglobin. 
C)  reticulocytes. 
D)  glucose. 
A)  bilirubin. 
B)  hemoglobin. 
C)  reticulocytes. 
D)  glucose.

Question 10

The width of the dermal puncture is more important than the depth to produce adequate blood flow.

Accepted Answer

A) True 
 B)False

Question 11

The acceptable amount of blood used to fill a filter paper circle for newborn screening tests is:

Accepted Answer

A)  one drop. 
B)  three drops. 
C)  0.5 mL. 
D)  1.0 mL. 
A)  one drop. 
B)  three drops. 
C)  0.5 mL. 
D)  1.0 mL.

Question 12

The order of draw for a bilirubin,blood smear,and complete blood count (CBC) by dermal puncture is:

Accepted Answer

A)  CBC,blood smear,and bilirubin. 
B)  blood smear,CBC,and bilirubin. 
C)  bilirubin,blood smear,and CBC. 
D)  blood smear,bilirubin,and CBC. 
A)  CBC,blood smear,and bilirubin. 
B)  blood smear,CBC,and bilirubin. 
C)  bilirubin,blood smear,and CBC. 
D)  blood smear,bilirubin,and CBC.

Question 13

The calcaneus is located at the:

Accepted Answer

A)  posterior of the heel. 
B)  arch of the foot. 
C)  plantar surface of the heel. 
D)  lateral curvature of the heel. 
A)  posterior of the heel. 
B)  arch of the foot. 
C)  plantar surface of the heel. 
D)  lateral curvature of the heel.

Question 14

Following a dermal puncture,the blood collector should first:

Accepted Answer

A)  prepare the blood smear. 
B)  massage the site. 
C)  wipe away the first drop of blood. 
D)  fill the lavender stopper Microtainer. 
A)  prepare the blood smear. 
B)  massage the site. 
C)  wipe away the first drop of blood. 
D)  fill the lavender stopper Microtainer.

Question 15

To obtain the best flow of blood from a dermal puncture,the blood collector should:

Accepted Answer

A)  alternately apply and release pressure to the site. 
B)  tightly squeeze the area above the site. 
C)  frequently wipe the site with alcohol. 
D)  firmly massage the area around the puncture site. 
A)  alternately apply and release pressure to the site. 
B)  tightly squeeze the area above the site. 
C)  frequently wipe the site with alcohol. 
D)  firmly massage the area around the puncture site.

Question 16

Order of collection for a hematocrit,blood smear,and glucose by dermal puncture is:

Accepted Answer

A)  hematocrit,glucose,and blood smear. 
B)  blood smear,hematocrit,and glucose. 
C)  glucose,hematocrit,and blood smear. 
D)  glucose,blood smear,and hematocrit. 
A)  hematocrit,glucose,and blood smear. 
B)  blood smear,hematocrit,and glucose. 
C)  glucose,hematocrit,and blood smear. 
D)  glucose,blood smear,and hematocrit.

Question 17

Laws in all U.S.states require testing for which of the following diseases in newborns using a heel stick sample?

Accepted Answer

A)  Galactosemia 
B)  Congenital hypothyroidism 
C)  Phenylketonuria (PKU) 
D)  All of the above 
A)  Galactosemia 
B)  Congenital hypothyroidism 
C)  Phenylketonuria (PKU) 
D)  All of the above

Question 18

Warming the site of a dermal puncture will:

Accepted Answer

A)  increase the flow of venous blood to the site. 
B)  increase the flow of arterial blood to the site. 
C)  increase the possibility of hemolysis. 
D)  produce excess tissue fluid contamination. 
A)  increase the flow of venous blood to the site. 
B)  increase the flow of arterial blood to the site. 
C)  increase the possibility of hemolysis. 
D)  produce excess tissue fluid contamination.

Question 19

Samples for newborn filter paper tests are collected from the:

Accepted Answer

A)  plantar area of the heel. 
B)  volar surface of the arm. 
C)  back of the heel. 
D)  arch of the foot. 
A)  plantar area of the heel. 
B)  volar surface of the arm. 
C)  back of the heel. 
D)  arch of the foot.

Question 20

A microhematocrit tube with a red band contains the same additive as a red stopper Microtainer.

Accepted Answer

A) True 
 B)False

The maximum safe length of lancets used for heel puncture is:

Which of these complications is associated with deep vein puncture in infants?

Microhematocrit capillary tubes are held horizontally while being filled.

Bandages are not recommended for newborns following heel puncture.

A blood collector is recollecting a dermal puncture sample because of hemolysis.The patient complains about a stinging sensation from the first puncture.The most probable cause of the hemolysis in the first sample is:

A health-care provider questions the low bilirubin result on a jaundiced baby.This discrepancy may be due to:

Which of the following are microsample collection containers?

To produce a rounded drop of blood,finger punctures should be made:

Alternating between venipuncture and dermal puncture collection techniques is not recommended when comparing test results for:

The width of the dermal puncture is more important than the depth to produce adequate blood flow.

The acceptable amount of blood used to fill a filter paper circle for newborn screening tests is:

The order of draw for a bilirubin,blood smear,and complete blood count (CBC) by dermal puncture is:

The calcaneus is located at the:

Following a dermal puncture,the blood collector should first:

To obtain the best flow of blood from a dermal puncture,the blood collector should:

Order of collection for a hematocrit,blood smear,and glucose by dermal puncture is:

Laws in all U.S.states require testing for which of the following diseases in newborns using a heel stick sample?

Warming the site of a dermal puncture will:

Samples for newborn filter paper tests are collected from the:

A microhematocrit tube with a red band contains the same additive as a red stopper Microtainer.

Introduction to Blood Collection

Venipuncture Equipment

Venipuncture Techniques

Preexamination Variables and Venipuncture Complications

Special Blood Collection

Point-Of-Care Testing

Blood Collection From Vascular Access Devices

Filters

Exam 6: Dermal Puncture

The maximum safe length of lancets used for heel puncture is:

Which of these complications is associated with deep vein puncture in infants?

Microhematocrit capillary tubes are held horizontally while being filled.

Bandages are not recommended for newborns following heel puncture.

A blood collector is recollecting a dermal puncture sample because of hemolysis.The patient complains about a stinging sensation from the first puncture.The most probable cause of the hemolysis in the first sample is:

A health-care provider questions the low bilirubin result on a jaundiced baby.This discrepancy may be due to:

Which of the following are microsample collection containers?

To produce a rounded drop of blood,finger punctures should be made:

Alternating between venipuncture and dermal puncture collection techniques is not recommended when comparing test results for:

The width of the dermal puncture is more important than the depth to produce adequate blood flow.

The acceptable amount of blood used to fill a filter paper circle for newborn screening tests is:

The order of draw for a bilirubin,blood smear,and complete blood count (CBC) by dermal puncture is:

The calcaneus is located at the:

Following a dermal puncture,the blood collector should first:

To obtain the best flow of blood from a dermal puncture,the blood collector should:

Order of collection for a hematocrit,blood smear,and glucose by dermal puncture is:

Laws in all U.S.states require testing for which of the following diseases in newborns using a heel stick sample?

Warming the site of a dermal puncture will:

Samples for newborn filter paper tests are collected from the:

A microhematocrit tube with a red band contains the same additive as a red stopper Microtainer.

Introduction to Blood Collection

Venipuncture Equipment

Venipuncture Techniques

Preexamination Variables and Venipuncture Complications

Special Blood Collection

Point-Of-Care Testing

Blood Collection From Vascular Access Devices

Filters