Take Home Quiz Chapter 7
For all the biology lovers out there who enjoy finding out about how stuff in the body works, then this is the quiz for you. Find out your level of knowledge from this test and see how much you know.
- 1.Which blood specimen additive can inhibit the metabolism of glucose by the cells?
- A.
EDTA
- B.
Heparin
- C.
NaF
- D.
Oxalate
- 2.Which of the following items is unnecessary when performing a routine venipuncture?
- A.
Evacuated Tubes
- B.
Safety needle
- C.
Skin Disinfectant
- D.
Tourniquet
- 3.If a serum specimen is requested, what is an evacuated tube that can be used to collect it?
- A.
EDTA
- B.
PPT
- C.
PST
- D.
SST
- 4.Which of the following are all anticoagulants that remove calcium from the specimen by forming insoluble calcium salts and therefore preventing coagulation?
- A.
EDTA, lithium heparin, citrate
- B.
Naf, sodium heparin, EDTA
- C.
Oxalate, SPS, sodium heparin
- D.
Sodium citrate, EDTA, oxlate
- 5.In a successful venipuncture, evacuated tubes fill automatically as soon as the stopper is pierced because of:
- A.
Equal pressure in the vein and tube.
- B.
Premeasured vacuum in each tube.
- C.
Pressure from the arterial system.
- D.
Tourniquet pressure on the vein.
- 6.Lavender-stopper tubes are most commonly used to collect:
- A.
Chemistry tests
- B.
Coagulation tests.
- C.
Hematology tests.
- D.
Immunology tests
- 7.Which of the following is one reason the ETS is the preferred blood collection system?
- A.
Exposure of the blood to contaminants is avoided.
- B.
It is easier to see the flash when entering a vein.
- C.
The collector's exposure to blood is eliminated.
- D.
Using a syringe can collapse a vein more easily.
- 8.Lithium heparin is a suitable anticoagulant for which of the following tests?
- A.
CSC
- B.
Lytes
- C.
Lithium
- D.
Protime
- 9.Which one of the following additives can be found in a royal blue-topped collection tube?
- A.
Citrate
- B.
EDTA
- C.
Fluoride
- D.
Oxalate
- 10.Measurement of copper, a trace element, requries blood collection in a tube with a:
- A.
Green top.
- B.
Lavender top.
- C.
Light-blue top.
- D.
Royal-blue top.
- 11.The blood-to-additive ratio is most critical for a specimen collected in this tube:
- A.
Lavender top
- B.
Light-blue top
- C.
Light-green top
- D.
Royal-blue top
- 12.If phlebotomists have dermatitis, they should:
- A.
Change their gloves for frequently.
- B.
Use sanitizer instead of soap and water.
- C.
Wash their hands thoroughly and often.
- D.
Wear a barrier hand cream or lotion.
- 13.Decontamination of the hands after glove removal is essential because:
- A.
Decontamination is needed to quickly restore normal flora.
- B.
Gloves cause pathogens to multiply on the surface of the skin.
- C.
Hand contamination might be visible to the naked eye.
- D.
Of all of the above
- 14.Which of the following is a disinfectant?
- A.
Benzalkonium chloride
- B.
Chlorhexidine gluconate
- C.
Household bleach
- D.
Hydrogen peroxide
- 15.Which disinfectant is preferred by the HICPAC for use on surfaces and instruments?
- A.
CDC-approved solution of 2% phenol
- B.
Commercial brand of Lysol disinfectant
- C.
Manufactured povidone-iodine dilution
- D.
EPA-registered sodium hypochlorite product
- 16.After a blood spill, a disinfectant is applied and must have at least minutes of contact time for cleanup to be effective.
- A.
2 minutes
- B.
5 minutes
- C.
10 minutes
- D.
20 minutes
- 17.If hands are heavily contaminated with organic material and a sink is not available, the phlebotomist should clean them with:
- A.
Alcohol-based hand cleaner and sterile gauze pads.
- B.
Detergent-containing wipes followed by a sanitizer.
- C.
Hydrogen peroxide followed by a hand sanitizer.
- D.
Three separate a 70% isopropyl swabs used in a row
- 18.The purpose of a transiliumination device is to:
- A.
Input patient ID information.
- B.
Locate veins for venipuncture.
- C.
Transfer blood from a syringe.
- D.
Do all of the above.
- 19.Which statement is incorrect? A properly applied tourniquet should:
- A.
Distend or inflate the veins of choice.
- B.
Make veins larger and easier to find.
- C.
Restrict venous and arterial blood flow.
- D.
Stretch vein walls so that they are thinner.
- 20.This needle gauge is used primarily for infant or child veins, and difficult or hard veins of adults:
- A.
16
- B.
1 8
- C.
21
- D.
2 3
- 21.Needle safety features work by:
- A.
Covering or shielding the needle.
- B.
Retracting the needle after use.
- C.
Using a device to blunt the needle.
- D.
All of the above.
- 22.OSHA regulations require that after use:
- A.
Needles be automatically ejected into the sharps container.
- B.
Needles be removed from the tube holders before disposal.
- C.
Tube holders be sanitized soon after the needle is removed.
- D.
Tube holders with needles attached be disposed of as a unit.
- 23.The head space in an evacuated tube is:
- A.
A consistent amount of airspace left when a tube is filled properly.
- B.
Due to premature depletion of the tube vacuum when a vein is missed.
- C.
Room left in a tube if the tube is not completely filled to the stated volume.
- D.
Space inside a colored utbe stopper that should not touch the blood.
- 24.Tubes designed by the manufacturer to be "short draw" are:
- A.
Bad for coagulation testing.
- B.
Made to fill only partially.
- C.
Smaller than regular tubes.
- D.
Without anticoagulants.
- 25.Types of ETS tubes additives include:
- A.
Anticoagulants.
- B.
Clot activators.
- C.
Separator gels.
- D.
All of the above.
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