ch 8 hw
What is the best angle to use for needle insertion during routine venipuncture?
30 degrees or less
How can you tell that you are in a vein when you are using a syringe?
A "flash" of blood will appear in the hub of the syringe
When is the best time to release the tourniquet during venipuncture?
As soon as blood flows freely into the tube
You are in the process of identifying an inpatient. The patient's verbal confirmation of name and date of birth matches the requisition, but the medical record number is different. What should you do?
Do not collect the specimen until the problem has been addressed and resolved
The following precautionary information was given to an outpatient after venipuncture. No other tests were scheduled. All the information was necessary EXCEPT
Do not drink or eat for two hours after collection
Doing what before obtaining a blood specimen from a child is a bad idea?
Telling the child it will not hurt
Which of the following venipuncture steps are in the correct order
Withdraw needle, place gauze, activate needle safety device
Interventions to ease pain in collecting blood specimens from infants include
all of the above (EMLA, oral sucrose, pacifiers)
Skin changes in elderly patients can make it harder to
anchor veins
When should additive tubes be mixed?
as soon as they are removed from the holder
You are a phlebotomy student on rotation at an outpatient site. A patient who seems extremely apprehensive about having her blood drawn tells you that she is afraid of needles. What should you do?
ask an experienced phlebotomist to perform the draw for you
You have made two unsuccessful attempts while trying to collect an ASAP specimen on an inpatient. The specimen cannot be collected by skin puncture. What should you do next?
ask another phlebotomist to collect it
Which type of test requisition has been shown to decrease laboratory errors?
bar coded
How can you tell that you are in a vein when drawing blood with a butterfly?
blood usually appears in the tubing
The time is 07:50 hours. You have received the following test requests on different patients. Which test specimen should you collect first?
cortisol ordered for 08:00
There are two patients in a room. One of them has a latex allergy. You have a request to collect a blood specimen on the other one. How should you proceed?
do not take anything that contains latex into the room
You are performing a venipuncture on a difficult vein using a butterfly. You have an SST and a light-blue-top tube to collect. How do you proceed?
draw a clear tube, fill and mix the light-blue top, then fill and mix the SST
You have a request to collect a stat specimen. A doctor is with the patient when you arrive. What should you do?
excuse yourself and politely ask the doctor if you can do the draw
Which of the following statements describes proper venipuncture technique?
fill additive tubes until the vacuum is exhausted
A vein that has patency
has a bounce or resilience to it
What is the most critical error a phlebotomist can make?
misidentifying a patient specimen
Which type of disease is most likely to cause tremors?
parkinson
The best way to judge patency of a vein is to
press and release it several times to determine resilience
The proper way to transfer blood from a syringe into an ETS tube is to
safely remove the needle and attach a transfer device to fill the tube
Which needle can be removed from the blood collection unit before disposal?
syringe needle
A student asks the patient for permission to draw a blood specimen. Which of the following answers implies that the student does not really have permission?
yes, but I would rather not