Chapter 7 Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The process by which blood flows automatically into a thin tube during a capillary blood collection procedure is called? | Capillary action
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| What do you call the condition when skin has a blue color which show low oxygen in the blood? | Cyanotic
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| What do you call the blood between the tissue layers? | Interstitial fluid
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| When referring to the side of something, we call this what? | Lateral
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| Define osteomyelitis. | an inflammatory disease of the bone, resulting from infection.
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| What does plantar refer to? | The sole of the foot
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| What is another name for capillary puncture? | Skin puncture
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| List situations when skin puncture is preferable to venipuncture. | Pt is infant and no good vein is found; Pt is small child, no good vein or uncooperative; test require a few drops of blood; apprehensive pt who insists on skin puncture; repeated missed venipunctures; sever burns; thrombotic tendencies; fragile veins.
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| Capillary puncture should not be preformed when? | Dehydrated, Shock, Chronic poor circulation, Extremely cold, tests require more than a few drops of blood.
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| Skin puncture is a combination of blood from ... | Capillaries, arterioles, venules
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| Blood from capillary puncture resembles ___________ blood than venous blood. | Arterial
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| Skin puncture blood may be used for laboratory testing so long as __________ is taken into consideration when interpreting the results. | Technique
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| Capillary or skin puncture may be preformed on ... | Fingertips, heels, or toes.
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| ___________ may be used as a site for capillary puncture, but it is not recommended as site of choice, due to poor capillary access. | Earlobes
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| You should not puncture the __________ or __________ when using the fingertip for a capillary draw. | side, tip
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| Any finger except the __________ finger may be used for capillary puncture. | fifth
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| T/F - Tissue on the fifth finger is much thicker than the others. | False
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| T/F - When using fingers for glucose monitoring, the patient should always rotate the site. | True
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| T/F - When doing capillary puncture on the fingertip, the puncture should be made perpendicular to the fingerprint. | True
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| A ______ puncture will cause the blood to form a droplet. | Perpendicular
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| A ________ puncture will cause the blood to run down the finger instead of forming a droplet. | Parallel
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| _________ sites should be avoided, because a free flow of blood is impossible. | Edamatous (swollen)
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| Punctures in cold, or _________, areas should be avoided because blood from these sites may result in falsely high hemoglobin or cell-count values. | cyanotic
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| __________ puncture the arch of the foot. | Never
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| Never puncture the ______ bone. | Heel
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| Puncturing the heel bone of the foot may result in ________, an inflammatory disease of the bone. | osteomyelitis
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| Puncturing the ________ of the foot may cause damage to the nerves. | arch
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| __________ the skin until it turns pink will stimulate circulation. | Massage
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| A heat source applied to the heel serves the purpose of ___________. | increasing blood flow.
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| Heat causes ____________ and should be applied for at least ______ minutes. | vasodilation, 3
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| What is a lancet? | A device used to puncture the skin during capillary puncture.
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| _________ are designed to control the depth of the puncture so that no damage is done to the site. | Lancets
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| Patients may be less frightened by a ___________ device, because they cannot see the actual blade penetrate the skin. | spring-loaded
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| What is the order of draw for capillary puncture? | Slide for differential or stain, Blood gas or pH, Hematology, Chemistry
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| You should never take _________ into the nursery. | Collection Tray
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| A __________ should be used for children less than one year old. | Heel stick
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| Children who are beginning to walk should have a ______ done instead of a heel stick. | Finger stick
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| Children who are two years or older should have a ___________ to draw their blood. | Venipuncture
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| The appropriate capillary puncture site on a fingertip is the ____________. | Distal/lateral portion of the fingertip
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| The capillary puncture site of choice for an infant is the _________. | lateral area of the plantar surface of the heel.
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| Applying a heat source to the heel serves the purpose of ___________. | increasing blood flow.
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| The finger is not to be squeezed tightly when obtaining a blood sample because? | tissue fluid will contaminate the specimen
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| Children who are beginning to walk should have blood samples collected by? | Finger stick or venipuncture
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