phlebotomy Chapter 9 review

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A patient has several short lengths of IV type tubing protruding from his chest. This is most likely a/an

CVC

Which activity is least likely to lead to failure to draw blood?

Choosing a vein that has patency.

Which activity can contaminate a blood specimen and affect the testing performed on it?

Cleaning the site with alcohol before drawing an ETOH specimen, Collecting blood cultures before the providone-iodine is totally dry, Using providone-iodine to clean the site to a finger puncture.

Which of the following specimen conditions would lead you to suspect that the patient was not fasting when it was collected?

Cloudy white serum

How long must you stay with someone after they have fainted?

15 minutes

According to CAP guidelines, drugs that interface with blood tests should be stopped

4 to 24 hours prior to the test

Which of the following specimens would most likely be rejected for testing?

A templates potassium specimen

A patient's arm is in anatomical position. There appears to be a loop under the skin between the wrist and the elbow. You feel a buzzing sensation when you touch it. What you are most likely feeling is a:

AV graft

Peak levels of this analyte typically occur around 0800 hours.

Cortisol

Jaundice-Icetric

Cortisol level is at highest state when you wake up and you have fasted all night

Results of this test have a direct correlation with the patient's age

Creatinine clearance test

All of the following describe accessing an artery EXCEPT:

Dark red blood

hemoconcentration

Decrease in blood fluid with an increase in non filterable components

An AV fistula is most commonly used for

Dialysis access

A patient complains of extreme pain when you insert the needle during a venipuncture attempt. The pain does not subside, but the patient does not feel any numbness or burning sensation. You know the needle is in the vein because the blood is flowing into the tube. You have only two tubes to fill, and the first one is almost full. What should you do?

Discontinue the draw and attempt collection at another site.

A phlebotomist needs to collect a plasma specimen for a coagulation test. The patient has an IV in the left arm near the wrist and a gemstones in the antecubital area of the right arm. Which of the following is the best place to collect the specimen ?

Distal to the hematoma

When the arm of the patient is swollen with excess fluid, the condition is called

Edema

Which of the following is most likely to affect test results?

Edema

Which of the following would be most likely to allow reflux to occur during venipuncture?

Filling the tube stopper end-first

Which of these tests are most affected if the patient is not fasting?

Glucose and triglycerides

Underfilling this tube will most likely result in a hemolyzed specimen.

Gray top

Most test results reference ranges are values for

Healthy individuals

A person at a higher elevation will have:

Higher RBC count

A hematoma may result from

INADEQUATE SITE PRESSURE APPLIED AFTER A VENIPUNCTURE, NEEDLE PENETRATION THROUGH THE BACK WALL OF THE VEIN, USING A NEEDLE THAT IS TOO LARGE FOR THE SIZE OF A VEIN

Which of the following situations can result in hemoconcentration?

Leaving the tourniquet on over 1 minute

The best way to keep a vein from rolling is to:

Make certain to anchor it well.

A fistula is a(n)

Permanent fusion of an artery or vein

While you are in the middle of drawing a blood specimen, your patient starts to faint. The first thing you should do is:

Quickly release the tournament and remove the needle.

You insert the needle in a patient's arm and properly engage the tube. No blood flows into the tube. You make subtle needle adjustments and there is still no blood flow. Which of the following is the best thing to do next?

Try a new tube in case it is a vacuum problem.

You are in the process of collecting a specimen by venipuncture. You hear a hissing sound, there is a spurt of blood into the tube, and blood flow stops. What has most likely happened?

Tube vacuum escaped

Which of the following tests is affected the most if collected from a crying infant

WBC count

bilirubin

a product of the breakdown of RBCs

lipemia

abnormally increased blood lipid content

When does basal state occur?

after sleeping

peranalytical

before anaysis

Thrombosed

clotted

If you draw blood from a small vein, it will likely

collapse

reference range

comparison become a range of values with high and low limits

Blood loss to a point where life cannot be sustained is called:

exsanguination

lipid

fat soluble

diurnal/ circadian

happening daily; having 24 hour cycle

sclerosed

hardened

an arm that is paralyzed

has no function

If a venipuncture fails to draw blood and the phlebotomist senses a slight vibration of the needle, this could be a sign that the needle

is up against a valve

A bariatric phlebotomy chair is designed for individuals who are

overweight

The serum or plasma of a templates specimen would most likely look:

pinkish to red.

postural pseudoanemia

posture related false anemia

jaundice ( icteric)

relating to or marked by jaundice and is used to describe serum, plasma or urine specimens that have abnormal deep yellow to yellow- brown color due to high bilirubin levels

Basal state is when:

resting metabolic state of the body early in the morning after fasting for approximately 12 hrs

Lipemic

serum cloudy white ( milky) clue that the patient has not been fasting

Tiny red spots that appear on a patient's arm when the tourniquet is applied are a sign that the

site may bleed excessively

hematoma

swelling or mass of blood that can be caused by blood leaking from a venipuncture

The medical term for fainting

syncope

Veins that feel hard and cord-like when palpated may be

thrombosed

A patient has had a mastectomy on the left side and has an IV midway down the right arm. Where is the best place to perform a venipuncture?

Below the IV on the right arm.

Petechiae are on the patient's arm after the tourniquet is removed, what is this a sign of?

Site may bleed excessively

Which of the following is a clue that you have accidentally punctured an artery instead of a vein?

The blood spurts into the tube.


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