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chapter 10
capillary puncture equiptment and procedures
| Question | Answer |
|---|---|
| arterialized | arterial flow into a the area due to warming the site |
| blood film/smear | a drop of blood spread thin on a microscope slide |
| calcaneus | medical term for healbone |
| CBG's | capillary blood gasses |
| cyanotic | bluish color from lack of oxygen |
| differential (diff) | test in whick the number, type , and characteristics of blood cells are determined by examining a stained blood smear under a microscope |
| feather | thinnest area of a blood smear where a defferential is performed |
| galactosemia | inhereted disorder caused by lack of the enzyme needed to convert the milk sugar galctose into glucose |
| hypothyroidism | insufficient levels of thyroid hormones |
| intersitial fluid | fluid in the tissue spaces between the cells |
| intracellular fluid | flid within the cells |
| lancet | a sterile, disposable, sharp-pointed or bladed instrument for punctures |
| microcollection containers | small plastic tubes used to collect blood obtained from capillary punctures sometimes called "microtubes" |
| microhematocrit tubes | narrow-bore plastic tubes that fill by capillary action |
| neonatal screening (NBS) | state mandated testing of newborns to detect cerain genetic (inherited), metabolic (chemical changes within the cells), hormonal and functional disorders. |
| osteochondritis | inflammation of the bone and cartilage |
| osteomyelitis | inflammation of the bone marrow and adjacent bone |
| PKU | phenylketonuria |
| planter surface | the sole or bottom surface of the foot |
| posterior cruvature | medical term for the back of the heal |
| whorls | ridges and grooves of the fingers |
| which of the following test requires an arterialized specimen | blood gases |
| calpillary puncture supplies include all of the following except | povidone - iodine pad |
| capillary puncture blood contains | arterial blood, interstitial fluids, venous blood |
| the concentration of this substance is higher in capillary blood than in veous blood | glucose |
| capillary puncture is typically performed on adults when | no acceble veins, thrombotic tendecies or veins are saved for chemotherapy |
| if collected by capillary puncture, which of the following is collected first | CBC |
| which of the following conditions disqualifies a site for capillary puncture | cyanotic, edematous or swollen |
| which of the following is the least hazardous area of an infant's foot for capillary puncture | lateral plantar heel surface |
| according to CLSI, a heel puncture lancet should puncture no deeper than | 2.0mm |
| which of the following is proper capillary punture procedure | wipe away the very first drop of blood |
| when making a routine blood smear, the "pusher slide" is normaly used at an angle of how many degrees | 30 |
| the blood specimen for this test is placed in circles on special filter paper | phenylketonuria (PKU) |
| which of the following fingers is the best choice for capillary puncture | middle |
| this test cannot be collected by capillary puncture and taken to the laboratory for processing and testing | partial thromboplastin time (PTT) |
| capillary action is a term used to describe how | blood fills a microhematocrit tube |
| stirrers | small metal bars inserted into tubes after blood collection |
| magnet | used to mix the specimen |
| the concentration of glucose and potassium are normally higher in | capillary blood |
| order of draw for capillary blood is | blood gasses, edta, other additive and serum specimens |