hw quiz 8910

Question 1

3 types of blood specimens used for analysis

Answer 1

whole blood , serum and plasma

Question 2

how long should a tourniquet stay on for during venipuncture?

Answer 2

1 min

Question 3

explain the purpose of the BT

Answer 3

measures the length of time required for bleeding to stop after an incision is made

Question 4

3 veins in the antecubital area suitable for venipuncture

Answer 4

median cubital,cephalic, and basilic

Question 5

which finger is most widley used for capillary collection

Answer 5

ring finger

Question 6

the larger the gauge number , the larger the lumen diameter

Answer 6

false

Question 7

largest needle and used for blood donation

Answer 7

16

Question 8

explain the purpose of thixotropic gel in collection tube

Answer 8

prevents the plasma from being contaminated by potassium released by red blood cells

Question 9

how should a tube be labeled

Answer 9

must have pts. name,id number, date and time of collection and your initials or id numbers

Question 10

3 types of needles in venipuncture

Answer 10

multisample (straight) ,syringe, and butterflies/ winged infusion sets

Question 11

most common antiseptic used in routine venipuncture is bleach

Answer 11

false

Question 12

define sps and explain what it is used for ?

Answer 12

used for cultures because it inhibits certain immune system components that could otherwise destroy Bloodbrone bacteria and neutralizes antibiotics that the pt, may be taking

Question 13

tourniquet must be removed b4 the needle is removed to prevent a hematoma

Answer 13

true

Question 14

define hemoconcertration

Answer 14

an increase in the ratio of formed elements to plasma caused by leaving the tourniquet on too tight

Question 15

small red spots on the skin are referred to as ?

Answer 15

petechiae

Question 16

list 5 things a pt. label or requestion must have on them

Answer 16

1. pt. demographics
   2.test status
2. name or code of physician making the request
   4.test requested
3. hospital ID #

Question 17

how frequently is the blood wicked during a bt test

Answer 17

every 30 seconds

Question 18

list 5 equipment used in venipuncture

Answer 18

1.sharps container
2. antiseptic cleaning solution
3.needles straight or butterfly
4.tourniquets
5. collection tubes

Question 19

name 2 antiseptics used in routine venipuncture

Answer 19

70% isopropyl alcohol and iodine swabs

Question 20

at what age are heel sticks preferred to finger sticks

Answer 20

under the age of one

Question 21

good candidates for dermal collection include pt.s who….

Answer 21

are obese and required frequent collection

Question 22

4 parts of needle

Answer 22

Hub- needle attaches to the collecting tube or syringe at its hub

2.point-provides smooth entry into the skin

3.bevel- eases the shaft into the skin and prevents the needle from coring out a plug of tissue

4.shaft-both lenght and gauge

Question 23

anticoagulant tubes should be

Answer 23

inverted gently and repeatedly after blood collection

Question 24

what angle should a venipuncture needle penetrate skin?

Answer 24

15-30 degrees

Question 25

2 sites commonly used for adult capillary collection

Answer 25

palmar surface of the middle and ring finger