question

Which of the following vacutainer tubes is routinely used for hematology testing?

answer

Lavender-topped

question

No anticoagulants are found in which of the following tubes?

answer

Red-topped

question

If a laboratory test requires serum, which vacutainer tube is the tube of choice?

answer

Red-topped

question

For collection of blood specimens during a glucose tolerance test, which type of tube is used?

answer

Gray-topped

question

__________ is an anticoagulant that prevents platelets from clumping and preserves the appearance of blood cells for microscopic preparation.

answer

Ethylenediaminetetraacetic acid (EDTA)

question

The slant at the open end of a needle used for venipuncture is termed the:

answer

Bevel

question

The needle size most commonly used for adult venipuncture is ________ gauge.

answer

21

question

The needle size most commonly used for by the blood bank for donation is ________ gauge.

answer

16

question

The needle size most commonly used on infants or elderly patients is ________ gauge.

answer

23

question

Plasma could be retrieved from a:

answer

b and c only lavender and gray - topped vacutainer tube

question

A tourniquet is used during the phlebotomy procedure to:

answer

both b and c prevents venous flow out of the site and cause the vein to buldge

question

A tourniquet should remain tied on a paitent's arm no longer than:

answer

2 minutes

question

Without a clot activator, whole blood typically clots in _________ minutes.

answer

30 to 60

question

Thixotropic gel, found in the SST red and gray marbled-topped vacutainer tube:

answer

is less dense than red blood cells but more dense than serum

question

The _______ is the portion of the venipuncture needle that fits into the syringe or vacutainer adapter.

answer

hub

question

The laboratory requistition indicates that you are to collect a venous blood specimen for hematology testing, serum chemistry testing, and coagulation studies. What is the proper order of collection for these tubes?

answer

red, light blue, lavender

question

You are required to collect a venous sample for a typical hematologytest, the complete blood count. Yoou collect a:

answer

lavender-topped

question

A syringe is preferred over a vacutainer collection when:

answer

a and b the patients veins are fragile and the sample must be drawn from the hand veins

question

Leaving a tourniquet tied on a patient's arm for longer than recommended time results in:

answer

hemoconcentration

question

Before a routine venipuncture or capillary puncture, the site is typically cleaned with:

answer

isopropyl alcohol

question

With a routine venipuncture, the angle in which the needle enters the arm should be________ degrees.

answer

15 to 30

question

During routine venipuncture, when should the phlebotomist request that the patient "make a fist"?

answer

after applying the tourniquet and before inserting the needle

question

During routine venipuncture, when should the phlebotomist request that the patient "release the fist"?

answer

when blood enters the first tube being drawn

question

During routine venipuncture, when is the correct time to remove the tourniquet?

answer

as the last tube to be drawn begins to fill

question

The vein (s) that can be used for routine venipuncture is (are):

answer

all of the above median cephalic,median basilic and supplementary cephalic

question

A winged-infusion set is also known as a:

answer

butterfly needle

question

A needlestick is more likely to happen if:

answer

an attempt is made to recap a needle

question

Mrs. Rogers was experiencing a successful venipuncture when petechiae arose on her forearm. This was the result of:

answer

the tourniquet being applied too tightly

question

A hematoma can be caused by:

answer

all of the above excessive probing to locate the vein, failure to insert the needle far enough into the vein, and the needle penetrating all the way through a vein

question

Blood obtained via capillary puncture can be collected:

answer

all of the above in microtainer tubes, in capillary tubes, in microhematocrit tubes and onto filter paper

question

The device used for dermal puncture is a:

answer

lancet

question

sodium heparin and EDTA for chemistry trace elements

answer

royal blue

question

potassium oxalate and sodium floride for glucose and alcohol GTT

answer

gray

question

EDTA for hematology testing

answer

Lavendar

question

Sodium Citrate

answer

Gray

question

contains lithium heparin for saturated chemistry

answer

light green

question

sodium citrate removes calcium to prevent from clotting for coagulation testing

answer

light blue

question

lead testing

answer

tan

question

Which of the following is the recommended method for disposal of needles in a puncture-proof container?

answer

Keeping the needle intact

question

The process used to wash and remove and tissue from medical instruments is called:

answer

santitization

question

Blunt needles, needlless systems,and resheathing syringes are examples of:

answer

engineering controls

question

A bacteria spore:

answer

is a resistant bacterial reproductive cell that can become active and cause disease

question

While a blood specimen is being prepared for laboratory analysis, the container tips over and blood spills on the laboratory table. Which of the following is the most appropriate management of the spill?

answer

cover the spill with paper towels, pour 10% bleach solution on the towels, wait 15 minutes, wipe up the spill while wearing gloves, and discard the paper towels in an infectious waste container.

question

Which of the following scenarios is the only situation in which recapping a needle is considered appropriate procedure?

answer

after withdrawing medication from a vial

question

Gloves, gowns, and goggles are examples of

answer

personal protective equiptment

question

Inflammation mediators that are released at the site of cellular damage perform which of the following function?

answer

both A and B Increase the permeability of blood vessel walls and increase blood flow to the site

question

What are the two important factors in performing an effective hand wash?

answer

friction and running warm water

question

Viral infections:

answer

are treated with a focus on palliative care

question

For disinfection to be effective, what must the medical assistant do?

answer

soak instrument in a closed container

question

On the basis of your understanding of the chain of infection, what would be the most effective method for controlling the spread of conjunctivitis in a daycare center?

answer

Wash hands thoroughly each time a symptomatic child is contacted

question

For which of the following is a medical assistant required to wear a mask while taking the patient's medical history?

answer

Active tuberculosis

question

Relapse and remission are seen frequently in what types of infection?

answer

Latent infection

question

What should not be done when sanitizing an instrument?

answer

Wear laxex gloves when cleaning sharp instruments

question

The CDC does not recommend standard precautions for which of the following body fluids if the fluid does not contain visible blood?

answer

Urine

question

Rosa was assisting with pediatric immunizations when she recieved an accidental needlestick. What is the first thing Rosa should do?

answer

Thoroughly wash the needlestick site

question

Cell-mediated immunity:

answer

causes destruction of pathogens at the site of infection

question

Which of the following procedures is appropriate for preparing blood and other potentially infectious materials for transport?

answer

placing the materials in a leakproof container during collection

question

According to OSHA regulations, under whivh of the following circumstances is recapping needles allowed?

answer

when recapping an unused needle

question

What action do viruses take when they enter the body's cells?

answer

incorporate into cells' reproductive material

question

The most important step in schieving hand asepsis is:

answer

removing jewelry

question

The method that completely destroys microorganisms is:

answer

sterilization

question

Which of the following is not a major area that must be covered in the medical facility's Exposure Control Plan required by OSHA?

answer

specific steps for providing effective patient treatment

question

Which color tube is used for blood cultures?

answer

Yellow

question

Which color tube is used for arterial blood gases?

answer

Green

question

Which color tube is used for blood banking?

answer

Red

question

CBC

answer

lavander

question

sodium heperin

answer

royal blue

question

blood gasses

answer

green

Chapter 52 review – Flashcards

Unlock all answers in this set

Haven't found what you were looking for?

Search for samples, answers to your questions and flashcards