click below
click below
Normal Size Small Size show me how
Phleb Ch 7
Quiz
| Question | Answer |
|---|---|
| Depth of the cut on a full term infan, no deeper than? | 2mm |
| The safe area for heel punctures on an infant are? | The most medial and lateral portion of the plantar surface |
| Capillary puncture: why remove the 1st drop? | To remove interstitial (tissue) fluid |
| Warming the puncture site | Increases the blood flow (arterioles/capillaries) sevenfold |
| Capillary puncture is most likely to become contaminated by? | Hemolysis |
| If the blood is drawn too quickly the vein will most likely? | Collapse |
| Hemolysis can occur when? | You are squeezing/milking the pt with too much pressure |
| What is the 1st test required for newborn infants? | PKU |
| Holding still and keeping calm | Are critical to obtaining accurate samples from peds pts |
| Draws on children under 2 years | Use superficial veins with a 23 gauge butterfly system |
| When a pt blood flow is inadequate due to dehydration/poor circulation (shock) what can the PBT do? | Warm the site for 3-5min or massage near the site |
| Puncturing a edematous finger? | Will contaminate the sample with tissue fluid |
| Always cut a capillary puncture | Across the fingerprint |
| Elevated potassium, phosphorous or uric acid within a capillary puncture is caused by? | Cleaning the site with povidone-iodine (Betadine) |
| Scraping the blood off the skin surface can? | Hemolyze the cells & stop the free flow of blood |
| Capillary puncture depth for premature infants? | 0.85mm |
| Excessive crying can result in? | Elevated WBCs (leukocytes) |
| BLGOR | blood gases, lavender EDTA, green (heparin), other additives, red (no additive) |