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Chapter 10
Study Guide questions
100
Medical
Professional
05/26/2014

Additional Medical Flashcards

 


 

Cards

Term
Arterialized
Definition
Arterial content has been increased
Term
Pulmonary function test
Definition
CBG
Term
Cyanotic extremity
Definition
Bluish in color
Term
Differential test unable to determine
Definition
Packed cell volume
Term
"Feather"
Definition
Thinnest area of a blood film
Term
Statement concerning microhematocrit tubes incorrect
Definition
They are coated with lithium heparin
Term
Osteochondritis
Definition
Inflammation of the bone and cartilage
Term
Temperature of heel warming devices should never exceed
Definition
42°C
Term
CBG specimens collected in
Definition
Narrow-bore capillary tubes
Term
Safest areas for capillary puncture on infant's foot
Definition
Either side of heel
Term
Required characteristic's of capillary puncture lancets
Definition

Controlled depth of puncture

Blades or points that are sterile

Permanently retractable blades

 

ALL OF THE ABOVE

Term
Used to collect manual packed cell volume test
Definition
Microhematocrit tube
Term
Equipment deleted from CBG equipment
Definition
Filter paper for blotting
Term
Capillary specimen collected separately
Definition
NBS
Term
Composition of blood obtained by capillary puncture resembles
Definition
Arterial blood
Term
Lab report should state a specimen has been collected by capillary puncture
Definition
Results can vary by specimen source
Term
Blood collected by puncturing skin is called capillary puncture because
Definition
It is from the dermal capillary layer
Term
Test typically performed on capillary blood
Definition
PKU
Term
Reference values are higher for capillary specimens
Definition
Glucose tests
Term
Tubes that can be collected by skin puncture
Definition
Green top and Purple top
Term
Capillary puncture that should be collected in amber microtube
Definition
Bilirubin
Term
Require a venipuncture instead of capillary include
Definition
Light blue top tube has been ordered
Term
Patient condition make capillary puncture good choice
Definition
Iatrogenic anemia
Term
Excluded from list of reasons why capillary puncture is preferred method to obtain blood from infants and children
Definition
Results on capillary specimens are more accurate
Term
Site eliminated as capillary puncture site
Definition
Index finger of a woman
Term
Depth of heel puncture should not exceed
Definition
2.0 mm
Term
Complication of a heel puncture that is too deep
Definition
Osteomyelitis
Term
Distance between skin surface and bone in the end segment of a finger
Definition
Shortest at the side and the tip
Term
Major blood vessels of skin located
Definition
At dermal-subcutaneous junction
Term
Test collected first by capillary puncture
Definition
CBC
Term
Heel must be warmed before collecting capillary specimen for this test
Definition
CBG
Term
Tests affected by povidone-iodine contamination of capillary specimen
Definition

Phosphorus

Potassium

Uric Acid

 

ALL OF THE ABOVE

Term
Errors in capillary glucose results due to
Definition
Isopropanol contamination of the specimen
Term
Hemolysis of capillary specimen can erroneously elevate results for
Definition
Potassium
Term
One purpose of wiping away first drop of blood during capillary specimen collection
Definition
Reduce tissue fluid contamination
Term
Action considered incorrect when filling microtubes
Definition
Scooping up blood as it runs down the finger
Term
Least likely to introduce excess tissue fluid
Definition
Wiping the alcohol dry
Term
Can result in microclot formation in anticoagulant microtube
Definition
Overfilling the tube
Term
Blood smears and EDTA specimens are obtained before other specimens to minimize
Definition
Effects of platelet aggregation
Term
Blood smear required for this test
Definition
Manual differentiation
Term
Blood smear prepared from EDTA specimen should be made
Definition
Within 1 hour of specimen collection
Term
Blood smear too short, try again and
Definition
Decrease angle of spreader slide
Term
Unlikely that holes in a blood smear would be caused by
Definition
Low hemoglobin
Term
Collection of thick blood smear requested to detect
Definition
Malaria
Term
Iron filings used in CBG collection
Definition
Help mix the anticoagulant
Term
Statement concerning CBGs in untrue
Definition
Results are much more accurate than ABGs
Term
Infant may require blood transfusion if blood levels exceed 18 mg/dL
Definition
Bilirubin
Term
Phenylketonuria is
Definition
Genetic disorder involving phenylalanine metabolism
Term
Newborn screening test
Definition
GALT
Term
Falsely decreased bilirubin results can be caused by
Definition
Failing to protect specimen from light
Term
Neonatal screening for this disorder required in US
Definition
PKU
Term
Collection device filled by capillary action
Definition
Hematocrit tube
Term
Reusable equipment
Definition
Laser lancet
Term
After making blood smear
Definition
Let it dry naturally
Term
Test must be collected by venipuncture
Definition
Blood culture
Term
Microhematocrit tubes with red band on one end contain
Definition
Heparin
Term
Infant's heel, the area of vascular bed that is rich in capillary loops is located
Definition
Between 0.35 and 0.82 mm deep
Term
Capillary puncture technique incorrect
Definition
Press lancet down into the skin so it doesn't slip
Term
Pain fibers decrease below capillary bed
Definition
FALSE
Term
UV light can cause bilirubin in a specimen to break down
Definition
TRUE
Term
Recommended capillary site on children 2 years and older
Definition
Pad of a middle finger
Term
Blood smear
Definition
Blood spread out on a microscope slide
Term
Calcaneus is bone located
Definition
Heel
Term
Fluid in spaces between cells
Definition
Interstitial fluid
Term
Sharp-pointed device used to make capillary punctures
Definition
Lancet
Term
Capillary puncture blood
Definition
Mix of venous, arterial, and capillary blood
Term
Letters of fingers recommended as sites for capillary
Definition
C and D
Term
Bottom surface of heel
Definition
Plantar
Term
Whorls as related to capilalry puncture
Definition
Spiral patterns of fingertips
Term
Finger bone
Definition
Phalanx
Term
Capillary specimens contain
Definition

Arterial blood

Tissue fluids

Venous blood

 

ALL OF THE ABOVE

Term
Microcollection container
Definition
Bullet
Term
If venous blood placed in microtube
Definition
Label it as venous specimen
Term
Proper site for finger puncture on adult
Definition
Distal segment of the middle finger
Term
Necessary to control depth of lancet insertion during heel
Definition
Injuring the calcaneus
Term
Safest area of infant's foot for capillary puncture
Definition
Medial plantar heel
Term
Capillary specimen collection differ from routine venipuncture for tests that can be collected either way
Definition
Order of draw
Term
Capillary puncture that parallels whorls of fingerprint will
Definition
Allow blood to run down finger
Term
List of capillary puncture equipment would exclude
Definition
Blood culture bottles
Term
Color microtube used to collect CBC
Definition
Lavender
Term
Purpose of warming site before capillary puncture
Definition
Increase flow of blood
Term
Recommended antiseptic for cleaning capillary puncture sites
Definition
70% isopropanol
Term
Antiseptic must be completely dried before capillary to avoid
Definition
Specimen hemolysis
Term
Proper finger puncture technique would exclude
Definition
Puncturing parallel to the fingerprint
Term
Acceptable routine blood smear
Definition
Has feathered edge
Term
Making blood smear by hand, typical angle of spreader slide
Definition
30 degrees
Term
Least likely to contaminate PKU test
Definition
Using isopropyl alcohol to clean site
Term
Correct newborn screening test collection includes
Definition
Using one large drop to entirely fill a collection circle
Term
Jaundice in a newborn is associated with high levels of
Definition
Bilirubin
Term
Inappropriate to apply bandage to capillary puncture site on children 2 and under
Definition

Irritate and infant's tender skin

Pull off and be a choking hazard

Tear delicate skin when removed

 

ALL OF THE ABOVE

Term
Capillary puncture steps in correct order
Definition
Warm, clean, puncture, wipe, collect
Term
Best way to mix blood in microtube
Definition
Invert it gently
Term
Strong repetitive pressure, such as milking site
Definition
Can hemolyze and contaminate specimen
Term
Lancets with permanently retractable blades are disposed
Definition
Sharps container
Term
Capillary puncture poor choice if patient
Definition
Dehydrated
Term
Step omitted from infant heel puncture
Definition
Apply bandage
Term
Neonatal screening is testing
Definition
Newborns for certain disorders
Term
Capillary punctures must not be performed on fingers or earlobes of newborns
Definition
TRUE
Term
In order to get enough blood from capillary puncture phleb should squeeze the finger
Definition
FALSE
Term
Excess anticoagulant in underfilled microtubes can negatively affect test results
Definition
TRUE
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