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dollface2280 on October 9, 2011
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questins and answers CHAPTER #10
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93 terms
Terms | Definitions |
|---|---|
 "Areterialized" means | A. arterial content has been increased |
| A blood smear is | B. blood spread out a microscope slide |
| The calcaneus is a bone located in the | C. heel |
| This is the abbreviation for pulmonary function test | B. CBG |
| A cyanotic extremity would | B. be bluish in color |
| A differential test is unable to determine | B. packed cell volume |
| "Feather" is a term used to describe the appearance of | D. the thinnest area of a blood film |
| Fluid in the spaces between the cells is called | A. interstitial fluid |
| This is a sharp-pointed device used to make capillary punctures | B. lancet |
| Which of the following statements most accuratley describes capillary puncture blood | A. a mix of nervous,aterial, and capillary blood |
| Which statements concerning microhematocrit tubes is incorrect? | A. they are coated with lithium heparin |
| Osteochondritis is | D. inflammation of the bone anad cartilage |
| This is a term foer the bottom surface of the heel | D. plantar |
| Whorls as related to capillary puncture are | D. spiral patterns of finger prints |
| The temprature of heel warming devices should never exceed | B. 42 C |
| Which of the following is the medical term for a finger bone | D. phalanx |
| CBG specimens are collected in | D. narrow-bore capillary tubes |
| Capillary specimens contain | D. all of the above |
| Which of the following are required characteristics of capillary puncture lancets? | D. all of the above |
| Which of the following equipment is used to collect a manuel packed cell volume test | C. microhematocrit tube |
| Which of the following equipment should be deleted from a list of capillary blood gas equipment | C. filter paper for blotting |
| Which capillary specimen should be collected separately? | D. potassium |
| A microcollection container is sometimes called a | A. bullet |
| The composition of blood obtained by capillary puncture more closely resembles | A. arterial blood |
| If venous blood is placed in a microtube, it is important to | A. label it as a venous specimen |
| A labratory report form should state that a specimen has been collected by capillary puncture | B. because results can vary by specimen source |
| Blood collected by puncturing the skin is called capillary blood because | B. it is from the dermal capillary bed |
| This test is typically performed on capillary blood | C. PKU |
| Reference values for this test are higher for capillary specimen | B. glucose |
| You need to collect blood cultures, and green,tight blue, and purple top tubes on an adult with difficult veins, Which of these can be collected by skin puncture? | C. green top and purple top |
| If collected by capillary punctures,which of the following specimens should be collected in an amber miicrotube? | A. bilirubin |
| Situations that require a venipuncture insted of capillary punctures include when a | B. light blue top tube has been ordered |
| Which of the following patient conditions would make capillary puncture a good choice for specimen collection | B. latrogenic anemia |
| Which of the following is normally a proper site for finger puncture on an adult | A. distal segment of the middle from a list of finger |
| Which of the following would be excluded blood from from a list of reasons why capillary puncture is the..Preferred method to obtain blood from infants and children | B. results on capillary specimens are more accurate |
| Which of the following sites would normally be elimnated as a capillary puncture site? | A. index finger of a woman |
| It is necessary to control the depth of lancet insertion during heel puncture to avoid | B. injuring the calcaneus |
| According to CLSI, depth of heel puncture should not exceed | B. 2.0 |
| Which of teh following can be a complication of a heel puncture that is too deep | C. Osteomyelitis |
| Which of the following is the safest area of an infant's foot for cappilary puncture | C. medial plantar heel |
| A recommended capillary puncture site on children 2 years of age or older is on the | C. pad of a middle finger |
| In which of the following areas does capillary specimen differ from routine venipuncture for tests that can be collected either way? | D. order or draw |
| The distance between the skin surface and the bone in the end segment of a finger is | A. shortest at the side and the tip |
| The major blood vessels of the skin are located | A. at the dermal-subcutaneous junction |
| A capillary puncture that parallels the whorls of teh fingerprint will | A. allow blood to run down the finger |
| A list capillary puncture equipment would exclude | A. blood culture bottles |
| Which color-coded microtube would be used to collect a CBC | C. lavender |
| If the following tests are collected from a patient by capillary puncture, which test specimen is collected first? | B. CBC |
| What is the purpose of warming the site before capillary puncture | B. increase the flow of blood |
| For accurate results,the heel must be warmed before collecting a capillary specimen for this test | A. CBG |
| The recommended antiseptic fro cleaning capillary puncture sites is | A. 70% isopropanol |
| The antiseptic must be completely dried before performing capillary puncture to avoid | D. specimen hemolysis |
| Tests affected by providone-iodine contamination of a capillary specimen include | A. all of the above |
| Errors in capillary glucose results have attributed to | C. isopropanol contamination of the specimen |
| Proper finger puncture technique would exclude | B. puncturing parallel to the fingerprint |
| Hemolysis of a capillary specimen can erroneously elevate results for this test | C. potassium |
| One purpose of wiping away the first drop of blood during capillary specimen collection is to | B. reduce tissue fluid contamination |
| Which of the following actions taken while filing micocollection tubes would be considered incrrect technique | B. scooping up blood as it runs down the finger |
| Which of the following would be leaast likely to introduce excess tissue fluid into a capillary puncture specimen | D. wiping the alcohol dry |
| Which of the following can result in microclot formation in a specimen collected in an anticoagulant microtube | A. overfiling the tube |
| During multisample capillary specimen collection, blood smears and edta specimens are obtained before other specimens to minimize | A. effects of platelet aggregation |
| A blood smear is required for this test | A. manual differential |
| An acceptable routine blood smear | C. has a feathered edge |
| A blood smear prepared from an EDTA specimen should be made | D. within 1 hour of specimen collection |
| When making a blood smear by hand using two glass slides, the typical angle of teh spreader slide is | C. 30 |
| If the phlebotomist makes a blood smear that is too short, he or she should try again and | A. decrease the angle of the spreader slide |
| It is unlikely that holes in a blood smear would be caused by | A. low hemoglobin |
| Collection of a thick blood smear may be requested to detect | C. malaria |
| Iron filings used in capillary blood gas collection | A. help mix the anticoagulant |
| Which statement concerning capillary blood gases is untrue | B. results are much more accurate than ABG'S |
| An infant may require a blood transfusion if blood levels of this substance exxceed 18 mg/dl. | A. bilirubin |
| Phenylketonuria is a | C. genetic disorder involving phenlylantine metabolism |
| Which of the following is a newborn screening test | B. GALT |
| Falsely decreased bilirubin results can be caused by | B. failing to protect the specimen from light |
| Which of the following is least likely to contaminate a PKU test | D. using isopropyl alcohol to clean |
| Correct newborn screening test collection or handling includes | D.using one large drop to entirely fill a collection circle |
| Neonatal screening for this disorder is required by law in the United States | D.PKU |
| Jaundice in a newborn is associated with high levels of | A. bilirubin |
| It is inappropriate to apply a bandage to a capillary puncture site on an infant or child younger thadn 2 years of age because it can | D. all of the above |
| Which of the following actions words associated with capillary puncture steps are in the correct order? | C. warm,clean,puncture,wipe,collect |
| The best way to mix blood in an additive microtube is to | A. invert it gently |
| Strong repetitive pressure,such as squeezing or milking a site during capillary specimen collection | B. can hemolyze and contaminate specimens |
| Which of the following collection devices fill by capillary action | C. hematocrit tubes |
| Which of the following equipment is reuseable? | B. laser lancet |
| Lancets with permanently retractable are disposed of in the. | C. sharps container |
| Capillary puncture is a poor choice for specimen collection if the patient is | B. dehydrated |
| Which of the following steps should be omitted from infant heel puncture? | A. apply bandages |
| After making a blood smear | B. let it dry natrually |
| Which test must be collected by enipunctures | A. blood cultures |
| Neonatal screening is the teseting of | C. newborns for certin disorders |
| Microhematocrit tubes with a red band on one end contain | B. heparin |
| In an infants heel, the area of the vascular bed that is rich in capillary loops is located | A. between 0.35 and 0.82 mm deep |
| Which of the following capillary puncture techniques is incorrect | C. press the lancet down into the skin so it does not slip |
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