chapter 11

Question 1

Preanalytical variables

Answer 1

occurs before analysis of the specimen

Question 2

analytical variable

Answer 2

occurs during specimens analysis ,can be affected by preanalytical variables such as collection time or transport conditions

Question 3

postanalytical variable

Answer 3

delays in reporting results or improper entry of results in the data bank, may also be part of the phle. responsibilities

Question 4

why are most routines for phlebotomy rounds in the morning

Answer 4

most pt. are in basal state at that time

Question 5

occluded (blocked ) or sclerosed (hardened)

Answer 5

feel hard or cordlike and lack resiliency
caused by inflammation, disease, chemotherapy, prolonged iv therapy

Question 6

hematomas

Answer 6

a reddened swollen area where blood collects under the skin
may be caused by the needle going through the vein or by failing to apply pressure after withdraw

Question 7

edema

Answer 7

swelling that is caused when interstitial fluid is retained in the tissue

Question 8

burns, scars, and tattoos

Answer 8

have impaired circulation, are susceptible to infection plus may be painful or difficult to penetrate and should be avoided

tattoos only if inflamed or infected

Question 9

lymphostatis

Answer 9

caused by removal of lymph tissue on the side of the mastectomy

Question 10

can you draw blood while an iv is in placed

Answer 10

use other arm w/o iv or from a distal site

Question 11

best practice when there is an iv

Answer 11

ask nurse to turn off iv
wait 2 -3 mins
discard first 5ml
restart iv

Question 12

enhance vein prominence

Answer 12

massage gently upward from wrist to the elbow
dangle arm ina downward position to increase blood
apply heat. moist heat should be avoided
rotate the wrist to increase the promince of the vein

Question 13

collection using butterfly

Answer 13

assemble equipment
positions the pt.hand and apply the kit
insert the needle
collect the sample
finish collection
attend to the pt
disposed of the wis