Which of the following is the correct newborn screening handling procedures quizlet?

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Terms in this set (47)

The calcaneus bone is located in the:
A. Earlobe
B. Finger
C. Heel
D. Thumb

C. Heel

A cyanotic extremity would:
a. Appear jaundiced.
b. Be bluish in color.
c. Exhibit erythema.
d. Look pale yellow.

B. Be bluish in color

"Feather" is a term used to describe the appearance of:
A. Newborn screening blood spot
B. Blood in a thick malaria smear
C. Lipemia in a Bilirubin specimen
D. The thinnest area of a blood smear

D. The thinnest area of a blood smear

Fluid in the spaces between the cells is called:
A. Interstitial fluid
B. Intracellular fluid
C. Lymphatic fluid
D. Peritoneal fluid

A. Interstitial fluid

This is the name of a sharp-pointed device used today to make capillary punctures:
A. Bullet
B. Fleam
C. Lancet
D. Scalper

C. Lancet

Which of the following statements most accurately describes capillary puncture blood:
A. A mix of venous, arterial, and capillary blood
B. Mostly tissue fluid mixed with arterial blood
C. Mostly Venus blood mix with tissue fluid
D. Nearly identical to a venous blood specimen

A. A mix of venous, arterial, and capillary blood

Referring to figure 10-1, identify the letters of the fingers that our recommended as sites for capillary puncture:
A. A and B
B. B and C
C. C and D
D. D and E

C. C and D

This is a term for the bottom surface of the heel:
A. Distal
B. Dorsal
C. Lateral
D. Plantar

D. Plantar

Whorls as related to capillary puncture are:
a. Blebs created during skin tests.
b. Formations seen in blood films.
c. Newborn screening blood spots.
d. Spiral patterns of fingerprints

D. Spiral patterns of fingerprints

CBG specimens are collected in:
a. Amber syringe-style devices.
b. Bullets with heparin in them.
c. Circles on special filter paper.
d. Narrow-bore capillary tubes.

D. Narrow-bore capillary tubes

Capillary specimens contain:
A. Arterial blood
B. Tissue fluid
C. Venous blood
D. All of the above

D. All of the above

Which numbered arrows on the diagram of an infants foot in figure 10-2 point towards the safest areas for capillary puncture:
A. 1 and 4
B. 2 and 3
C. 3 and 5
D. 4 and 5

C. 3 and 5

Which of the following are required characteristics of capillary puncture lancets:
A. A controlled depth of puncture
B. Blades or points that are sterile
C. Permanently retractable blades
D. All of the above

D. All of the above

Which capillary specimen should be collected separately?
A. Bilirubin
B. CBGs
C. NBS
D. Potassium

C. NBS

Which of the following is an indication for capillary puncture:
A.The patient is badly burned except for his feet
B. The person is receiving IVs for chemotherapy
C. The physician requested Capillaria draws only
D. All of the above

D. All of the above

Composition of blood obtained by capillary puncture more closely resembles:
A. Arterial blood
B. Lymph fluid
C. Tissue fluid
D. Venous blood

A. Arterial blood

Venous blood is placed in a microtube, it is important to:
A. Label it as a venous specimen
B. Shield the specimen from light
C. Transport it to the laboratory ASAP
D. Vigorously mix the specimen

A. Label it as a venous specimen

You need to collect blood cultures, and green, light blue, and purple top tubes on an adult with difficult veins. Which of these can be collected by skin puncture?
A. Blood cultures and green top
B. Blood cultures and purple top
C. Green top and purple top
D. Light blue and purple top

C. Green top and purple top

If collected by capillary puncture, which of the following specimens should be collected in an Amber microtube
A. Bilirubin
B. Glucose
C. Lead
D. PKU

A. Bilirubin

It is necessary to control the depth of Lancet insertion during heel puncture to avoid:
A. Damage to the tendons
B. Injuring the calcaneus
C. Puncturing an artery
D. Unnecessary bleeding

B. Injuring the calcaneus

According to CLSI, depth of heel puncture should not exceed:
A. 1.5 mm
B. 2.0 mm
C. 2.4 mm
D. 4.9 mm

B. 2.0 mm

Which of the following is the safest area of an infant's foot for capillary puncture:
A. Any area of the arch
B. Center of the big toe
C. Medial plantar heel
D. Posterior curvature

C. Medial plantar heel

A recommended capillary puncture site on children 2 years of age or older is on the:
A. Bottom of an earlobe
B. Fleshy side of a thumb
C. Pad of a middle finger
D. Medial or lateral heel

C. Pad of the middle finger

A list of capillary puncture equipment would exclude:
A. Blood culture bottles
B. Various lancet types
C. Micro collection tubes
D. Skin warming devices

A. Blood culture bottles

Which color-coded microtube would be used to collect a CBC?
A. Gray
B. Green
C. Lavender
D. Yellow

C. Lavender

If the following tests are collected from a patient by capillary puncture, which test specimen is collected first?
A. Bilirubin
B. CBC
C. Lytes
D. Glucose

B. CBC

What is the purpose of warming the site before capillary puncture:
A. Enhance visibility of veins
B. Increase the flow of blood
C. Prevent sample hemolysis
D. Relax and comfort patients

B. Increase the flow of blood

The recommended antiseptic for cleaning capillary puncture sites is:
A. 70% isopropanol
B. Povidone-iodine
C. Soap and water
D. Tincture of iodine

A. 70% isopropanol

Proper finger puncture technique would exclude:
a. Choosing a middle or ring finger site
b. Puncturing parallel to the fingerprint
c. Trying not to squeeze or milk the site
d. Wiping away the first drop of blood

B. Puncturing parallel to the fingerprint

One purpose of wiping away the first drop of blood (fig. 10-4) during capillary specimen collection is to:
A. Avoid contamination with bacteria
B. Reduce tissue fluid contamination
C. Improve blood flow to the site
D. Minimize platelet aggregation

B. Reduce tissue fluid contamination

Which of the following would be least likely to introduce excess tissue fluid into a capillary puncture specimen:
A. Collecting the first drop
B. Pressing hard on the site
C. Squeezing the puncture
D. Wiping the alcohol dry

D. Wiping the alcohol dry

During multisample capillary specimen collection, blood smears and EDTA specimens are obtained before other specimens to minimize:
A. Effects of platelet aggregation
B. Hemolysis of red blood cells
C. Specimen hemoconcentration
D. Tissue fluid contamination

A. Effects of platelet aggregation

Phenylketonuria is a:
A. Disorder caused by excessive phenylalanine ingestion
B. Contagious condition caused by lack of phenylalanine
C. Genetic disorder involving phenylalanine metabolism
D. Temporary conditions caused by lack of phenylalanine

C. Genetic disorder involving phenylalanine metabolism

Falsely decreased bilirubin results can be caused by:
A. Collecting the specimen 5 minutes late
B. Failing to protect the specimen from light
C. Puncturing the heel close to the calcaneus
D. Using isopropyl alcohol to clean the site

B. Failing to protect the specimen from light

Which of the following is least likely to contaminate a PKU test:
A. Neglecting you discard the first drop of blood
B. Touching the inside of a filter paper circle
C. Stacking the specimen slips while wet or dry
D. Using isopropyl alcohol to clean the site

D. Using isopropyl alcohol to clean the site

Correct newborn screening test collection or handling includes:
A. Applying blood drops to both sides of the filter paper
B. Hanging a specimen slip to dry in a vertical position
C. Layering successive blood drops in a collection circle
D. Using one large drop to entirely fill a collection circle

D. Using one large drop to entirely fill a collection circle

Neonatal screening for this disorder is required by law in the United States:
A. Diabetes
B. HDN
C. HBV
D. PKU

D. PKU

Jaundice in a newborn is associated with high levels of:
A. Bilirubin
B. Glucose
C. Ketones
D. Thyroxine

A. Bilirubin

Which of the following actions words associated with capillary puncture procedure steps are in the correct order:
A. Clean, puncture, warm, wipe, collect
B. Clean, warm, puncture, collect, wipe
C. Warm, clean, puncture, wipe, collect
D. Warm, puncture, clean, wipe, collect

C. Warm, clean, puncture, wipe, collect

Strong repetitive pressure, such as squeezing or milking a site during capillary specimen collection:
A. Is necessary to obtain adequate blood flow
B. Can hemolyze and contaminate specimens
C. Improves the accuracy of CBC test results
D. Increases venous blood flow into the area

B. Can hemolyze and contaminate specimens

Lancets with permanently retractable blades are disposed of in the:
A. Autoclave waste
B. Biohazard trash
C. Sharps container
D. Regular trash can

C. Sharps container

All of the following tests can be collected by capillary puncture except:
A. Blood cultures
B. Electrolytes
C. Hemoglobin
D. Lithium level

A. Blood cultures

Neonatal screening is the testing of:
A. Babies for contagious diseases
B. Infants with certain symptoms
C. Newborns for certain disorders
D. Pregnant women for diseases

C. Newborns for certain disorders

In an infant's heel, the area of the vascular bed that is rich in capillary loops is located:
A. Between 0.35 and 0.82 mm deep
B. From 1.00 mm to 2.00 mm deep
C. In the top layer of the epidermis
D. Starting at around 2.4 mm deep

A. Between 0.35 and 0.82mm deep

Pain fibers increase in abundance below:
A. 0.8 mm
B. 1.2 mm
C. 2.0 mm
D. 2.4 mm

D. 2.4 mm

Neonatal screening for this disorder is required by law in all 50 states:
A. Galaxtosemia
B. Hypothyroidism
C. Phenylketonuria
D. All of the above

D. All of the above

Capillary action is it too used to describe how:
A. Arterial blood enters the capillaries
B. Blood enters a microhematocrit tube
C. Cells spread across a blood smear
D. Warming can increase blood flow

B. Blood fills a microhematocrit tube

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