phlebotomy questions 2

an average adult has how many liters of blood

5 to 6

plasma constitutes what percentage of total blood volume

55

veins and arteries are composed of how many layers

3

In the circulatory system gas exchange occurs in the

capillaries

another name for WBC

leukocytes

the main function of leukocytes is to

protect the body against infections

Which cellular component is responsible for transporting hemoglobin

RBCs

RBCs remain in the circulation for

100 days

tourniquet should be how many inches from venipuncture

3 to 4

Following can occur if tourniquet is left too long

hemoconcentration

hematoma can be caused by

removing the tourniquet after removing the needle

small red spots on the skin are referred as

petechiae

If you are asked to perform a venipuncture on a patient who is not wearing an ID band, you should

Ask the patient's nurse to attach ID band before proceeding

3 purposes of requisition

1. Identifying the patient

2. Determining the specimen to be collected

3. Allowing equipment selection

only vein may be palpated in obese patients

cephalic

upon entering a patients room, first to do

introduce yourself

What angle venipuncture needle should penetrate?

15 to 30 degrees

Which vein lies close to brachial artery

basilic

when should the tourniquet be removed from the arm in the venipuncture procedure

before needle is withdrawn

OSHA means

occupational Safety and Health Administration

when mixing acid and water

add acid to water

chemicals should be

labeled properly

class C fire involves

electrical equipment

which of the following does NFPA symbol not warn about

protective equipment