Phlebotomy Quiz On Tubes
Phlebotomy is about more than just making an incision in a vein and patting yourself on the back, there is a plethora of tubes involved each with their own uses. What are they? You tell us!
Questions and Answers
- 1.
Containers used to dispose of sharps must have all these characteristics EXCEPT which one?
- A.
Mold resistance
- B.
Spill proof
- C.
Tamper proof
- D.
Puncture resistance
Correct Answer
A. Mold resistanceExplanation
The question asks for the characteristic that is NOT required for containers used to dispose of sharps. The given answer, "mold resistance," is the odd one out because the other three characteristics (spill proof, tamper proof, puncture resistance) are all necessary for ensuring the safe disposal of sharps. Mold resistance is not directly related to the safety or functionality of the container in this context.Rate this question:
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- 2.
Whats consideration should be made in performing phlebotomy on a patient with severe burns?
- A.
Venipuncture should never be used in a burn patient
- B.
Select a venipuncture location directly on a scarred tissue
- C.
Look for a venipuncture site in undamaged, unscarred skin
- D.
Cleanse the site with iodine to reduce chance of infection
Correct Answer
C. Look for a venipuncture site in undamaged, unscarred skinExplanation
In performing phlebotomy on a patient with severe burns, it is important to look for a venipuncture site in undamaged, unscarred skin. This is because scarred tissue may not have adequate blood flow, making it difficult to obtain a blood sample. Additionally, scarred tissue may be more prone to infection. Therefore, selecting a site with undamaged skin ensures that the procedure can be performed effectively and reduces the risk of complications such as infection.Rate this question:
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- 3.
When performing venipuncture on patients with very frail skin or excessive arm hair, one way to increase patient comfort is to ________
- A.
Rub collection site with moisturizing lotion
- B.
Perform collection in the wrist or foot
- C.
Use cold compresses after the collection
- D.
Tie tourniquets over clothing if possible
Correct Answer
D. Tie tourniquets over clothing if possibleExplanation
When performing venipuncture on patients with very frail skin or excessive arm hair, tying tourniquets over clothing if possible can increase patient comfort. This technique allows for a more secure tourniquet placement without causing discomfort or pain to the patient. It also helps to prevent skin irritation or damage that may occur if the tourniquet is tied directly on the skin.Rate this question:
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- 4.
Which of the following steps will minimize aerosol microbial contamination in a laboratory?
- A.
Keep room doors open
- B.
Closing centrifuge lids
- C.
Banning the use of spray
- D.
Wearing gloves at all times
Correct Answer
B. Closing centrifuge lidsExplanation
Closing centrifuge lids will minimize aerosol microbial contamination in a laboratory because when the centrifuge is in operation, it generates high speeds that can create aerosols. These aerosols can contain microbial contaminants that can spread and contaminate the laboratory environment. By closing the centrifuge lids, the aerosols are contained within the centrifuge, reducing the risk of contamination.Rate this question:
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- 5.
Specimen collection areas should be decontaminated regularly with fresh bleach solutions that have been diluted_________ with water.
- A.
1:5
- B.
1:10
- C.
1:20
- D.
1:100
Correct Answer
B. 1:10Explanation
Specimen collection areas should be decontaminated regularly with fresh bleach solutions that have been diluted 1:10 with water. This means that for every 1 part of bleach, 10 parts of water should be added to create the diluted solution. This dilution ratio ensures that the bleach is effective in killing any potential contaminants while also minimizing any potential harm or damage to the surfaces being cleaned.Rate this question:
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- 6.
What type of additive is most commonly used for collection an ethanol specimen?
- A.
Sodium flouride
- B.
Sodium citrate
- C.
Red top with no additive
- D.
EDTA
Correct Answer
A. Sodium flourideExplanation
Sodium fluoride is the most commonly used additive for collecting an ethanol specimen. This additive helps to inhibit the growth of bacteria in the specimen and preserve the integrity of the ethanol. It acts as a preservative and prevents the breakdown of ethanol over time. Sodium fluoride also helps to maintain the stability of the specimen during transportation and storage. This additive is preferred for ethanol specimens as it ensures accurate and reliable test results.Rate this question:
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- 7.
One possible cause for finding fibrin strands in serum tubes after centrifugation might be __________________.
- A.
Centrifuging for too long
- B.
Centrifuging before it has clotted
- C.
Centrifuging at too high speed
- D.
Centrifuging after long delay
Correct Answer
B. Centrifuging before it has clottedExplanation
One possible cause for finding fibrin strands in serum tubes after centrifugation might be centrifuging before it has clotted. When blood is collected in a serum tube, it needs time to clot before centrifugation. If the tube is centrifuged before clotting occurs, fibrin strands can be released from the clot and appear in the serum. This can affect the accuracy of test results as fibrin strands can interfere with certain assays. Therefore, it is important to allow sufficient time for clotting before centrifugation.Rate this question:
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- 8.
Tubes used for ______ tests must have a 9:1 ratio of blood to anticoagulant to be accepted the lab.
- A.
Coagulation
- B.
Chemistry
- C.
Blood bank
- D.
Complete blood count
Correct Answer
A. CoagulationExplanation
When conducting coagulation tests, it is important to maintain a specific ratio of blood to anticoagulant in order to obtain accurate results. The 9:1 ratio ensures that the blood sample is properly preserved and prevents clotting during the testing process. Therefore, tubes used for coagulation tests must have this specific ratio to be accepted in the lab.Rate this question:
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- 9.
After a needlestack accident during a blood collection, the injured phlebotomist cleans the puncture site with alcohol and then reports to work for the remainder of the day. what step was omitted?
- A.
Cleaning the area with iodine also
- B.
Reporting the incident to the supervisor
- C.
Checking the patient chart
- D.
Asking the patients HIV status
Correct Answer
B. Reporting the incident to the supervisorExplanation
The step that was omitted in this situation is reporting the incident to the supervisor. After a needlestick accident, it is important for the phlebotomist to report the incident to their supervisor in order to ensure proper documentation, evaluation, and follow-up procedures can be carried out. This is crucial for the phlebotomist's safety and to prevent any potential transmission of bloodborne pathogens.Rate this question:
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- 10.
When performing a venipuncture, the tourniquet must not remain on the arm for more than ____ at a time.
- A.
10 seconds
- B.
1 minute
- C.
5 minute
- D.
10 minute
Correct Answer
B. 1 minuteExplanation
During a venipuncture, the tourniquet is used to restrict blood flow and make the veins more visible and accessible. However, leaving the tourniquet on for too long can cause venous congestion and affect the accuracy of the blood sample. The correct answer of 1 minute ensures that the tourniquet is not left on for an excessive amount of time, allowing for a successful venipuncture procedure without compromising the quality of the blood sample.Rate this question:
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- 11.
When preparing a blood smear directly from a skin puncture, it is best to ________________
- A.
Put the patients finger directly on the side and push down
- B.
Pull blood up into a syringe and make the slide from the needle
- C.
Wipe away the first drop of blood and then make the slide
- D.
Clean the glass slide with sterile water just before making it.
Correct Answer
C. Wipe away the first drop of blood and then make the slideExplanation
When preparing a blood smear directly from a skin puncture, it is best to wipe away the first drop of blood and then make the slide. This is because the first drop of blood may contain contaminants such as tissue fluid or debris from the puncture site. By wiping away the first drop, a cleaner sample can be obtained, ensuring better visibility and accuracy when examining the blood smear under a microscope.Rate this question:
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- 12.
An artery in the wrist that can be used for blood gas collection is the __________-
- A.
Jugular
- B.
Radial
- C.
Popliteal
- D.
Femoral
Correct Answer
B. RadialExplanation
The correct answer is radial. The radial artery is located in the wrist and is commonly used for blood gas collection. It is easily accessible and has a strong pulse, making it an ideal site for this procedure. The jugular, popliteal, and femoral arteries are located in different parts of the body and are not typically used for blood gas collection.Rate this question:
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- 13.
Which of these human body systems is primarily involved with breathing?
- A.
Reproductive
- B.
Respiratory
- C.
Nervous
- D.
Digestive
Correct Answer
B. RespiratoryExplanation
The respiratory system is primarily involved with breathing. It consists of organs such as the lungs, trachea, and diaphragm, which work together to take in oxygen and remove carbon dioxide from the body. This system allows for the exchange of gases between the body and the environment, ensuring that oxygen is delivered to the cells and waste gases are expelled. The reproductive system is responsible for the production of offspring, the nervous system controls communication and coordination in the body, and the digestive system is involved in the breakdown and absorption of nutrients.Rate this question:
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- 14.
If the venipuncture site begins to swell as blood is being drawn from a patients arm, it is best_______
- A.
Rotate the needle to position is better inside the vein
- B.
Finish the draw but apply pressure quickly afterward
- C.
Release the torunoquet remove the needle and apply pressure
- D.
Apply pressure above the puncture site and finish the draw
Correct Answer(s)
C. Release the torunoquet remove the needle and apply pressure
D. Apply pressure above the puncture site and finish the drawExplanation
If the venipuncture site begins to swell as blood is being drawn from a patient's arm, it is best to release the tourniquet, remove the needle, and apply pressure. This is because the swelling could be a sign of a hematoma or extravasation, where blood leaks into the surrounding tissues. By releasing the tourniquet and removing the needle, the pressure on the vein is relieved, reducing the risk of further damage. Applying pressure above the puncture site helps to stop any bleeding and promote clotting. Finishing the draw is important to ensure that enough blood is collected for testing.Rate this question:
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- 15.
Routine venipuncture draw site commonly cleansed with a 70% solution of _________
- A.
Hypochlorite
- B.
Iodine
- C.
Methyl alcohol
- D.
Isopropyl alcohol
Correct Answer
D. Isopropyl alcoholExplanation
The correct answer is isopropyl alcohol. Isopropyl alcohol is commonly used to cleanse the draw site before routine venipuncture. It is a disinfectant that helps to kill bacteria and prevent infection.Rate this question:
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- 16.
When anticoagulated blood is centrifuged_________ will be spun to the bottom of the tube.
- A.
White blood cells
- B.
Red blood cells
- C.
Plasma
- D.
Platelet clumps
Correct Answer
B. Red blood cellsExplanation
When anticoagulated blood is centrifuged, the heavier components of the blood will settle to the bottom of the tube due to the force of centrifugal force. Red blood cells are denser than the other components of blood, such as white blood cells, plasma, and platelet clumps. Therefore, during centrifugation, red blood cells will be spun to the bottom of the tube.Rate this question:
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- 17.
Which PPE best protects a health care worker from contagion when touching body substances, mucous membranes, or skin wounds?
- A.
Mask
- B.
Alcohol
- C.
Glove
- D.
Respirator
Correct Answer
C. GloveExplanation
Gloves are the best PPE to protect a healthcare worker from contagion when touching body substances, mucous membranes, or skin wounds. Gloves act as a barrier between the healthcare worker's hands and the potentially infectious materials, preventing direct contact and reducing the risk of transmission. Masks primarily protect against respiratory droplets, alcohol is not a PPE and does not provide physical protection, and respirators are specifically designed to protect against airborne particles, making gloves the most appropriate choice in this scenario.Rate this question:
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- 18.
If a bed rail must be lowered for an inpatient venipuncture on a 6 year old child, upon completion of blood collection the phlebotomist should_______________
- A.
Leave the rail down so the child cna get in/out of bed
- B.
Ask the patient what his/her preference would be
- C.
Return the rail to the position prior to the draw
- D.
Do whatever the phlebotomist thinks is best
- E.
Give the child a treat (lollipop, snickers, etc)
Correct Answer
C. Return the rail to the position prior to the drawExplanation
Upon completion of the blood collection, the phlebotomist should return the rail to the position prior to the draw. This is important for the safety and well-being of the child, as raising the bed rail provides necessary protection and prevents any potential falls or injuries. It is a standard practice to ensure the patient's comfort and maintain a safe environment. Asking the patient's preference or doing whatever the phlebotomist thinks is best may not prioritize the child's safety. Giving a treat is unrelated to the situation and does not address the need to return the rail to its original position.Rate this question:
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- 19.
The right to know law requires that all cyhemical manufacturers supply ______ to those who sue their products.
- A.
Free fire extinguishers
- B.
Disposable containers
- C.
Material safety data sheets (MSDS)
- D.
Radioactive warning signs
Correct Answer
C. Material safety data sheets (MSDS)Explanation
The right to know law requires that all chemical manufacturers supply material safety data sheets (MSDS) to those who use their products. MSDS provide important information about the hazards, handling, storage, and emergency procedures related to the chemicals. This ensures that individuals who are using or exposed to these chemicals have access to necessary safety information to protect themselves and handle the products appropriately.Rate this question:
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- 20.
Which of these is NOT an example of parenteral transmission of an infection?
- A.
Infection through a hangnail
- B.
Eyehand contamination
- C.
Needlestick injury
- D.
Drinking contaminated water
Correct Answer
D. Drinking contaminated waterExplanation
Drinking contaminated water is not an example of parenteral transmission of an infection because parenteral transmission refers to the introduction of pathogens directly into the body through non-oral routes. In this case, the infection is transmitted through ingestion, which is considered a different mode of transmission.Rate this question:
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- 21.
When drawing blood using anticoagulated tubes the phlebotomist must remember ALL BUT WHICH ONE of these collection requirements?
- A.
Mix adequately to keep the blood from clotting
- B.
Fill the tubes with blood until all vaccum is exhausted
- C.
Fill in correct order to avoid cross contamination
- D.
Keep the tourniquet tied until the last tube is filled
Correct Answer
D. Keep the tourniquet tied until the last tube is filledExplanation
The phlebotomist must remember to keep the tourniquet tied until the last tube is filled. This is because keeping the tourniquet tied for an extended period of time can cause hemoconcentration, which can lead to inaccurate test results. Releasing the tourniquet after the first tube is filled allows for proper blood flow and prevents hemoconcentration. Therefore, it is important for the phlebotomist to remember all the other collection requirements except for keeping the tourniquet tied until the last tube is filled.Rate this question:
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- 22.
Before performing a venipuncture the collection site is cleansed in a circular motion that moves _______.
- A.
From periphery to center
- B.
From center to periphery
- C.
Clockwise and inward
- D.
Counterclockwise
Correct Answer
B. From center to peripHeryExplanation
The correct answer is from center to periphery. When performing a venipuncture, the collection site is cleansed in a circular motion that starts from the center and moves outward towards the periphery. This technique helps to ensure that any potential contaminants are pushed away from the puncture site, reducing the risk of infection.Rate this question:
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- 23.
To confirm diabetes mellitus or hypoglycemia, a ______ may be ordered.
- A.
Postprandial sucrose test
- B.
Lactose intolerance test
- C.
Hemoglobin AIC test
- D.
Glucose tolerance test
Correct Answer
C. Hemoglobin AIC testExplanation
The hemoglobin AIC test may be ordered to confirm diabetes mellitus or hypoglycemia. This test measures the average blood sugar levels over a period of several months, providing a more comprehensive picture of a person's glucose control. It is commonly used to diagnose and monitor diabetes, as well as to assess the effectiveness of treatment plans.Rate this question:
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- 24.
A lipid panel provides the most useful information to the physicians if it is drawn _________.
- A.
Without a tourniquet
- B.
Along with electrolytes
- C.
Right after a fatty meal
- D.
While a patient is fasting
Correct Answer
D. While a patient is fastingExplanation
A lipid panel measures the levels of cholesterol and triglycerides in the blood. These levels can be affected by the recent intake of food, especially fatty meals. Fasting before the test ensures that the results are not influenced by recent food consumption, providing a more accurate assessment of the patient's lipid profile. Therefore, drawing a lipid panel while a patient is fasting provides the most useful information to the physicians.Rate this question:
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- 25.
The national fire protection association labels would use which color and number to indicate a chemical is easily dispersed in air and will burn readily?
- A.
Red 4
- B.
White 2
- C.
Red 1
- D.
Yellow 3
Correct Answer
A. Red 4Explanation
The national fire protection association labels use colors and numbers to indicate the properties of chemicals. In this case, the color red signifies that the chemical is flammable, while the number 4 indicates that it is easily dispersed in air and will burn readily. Therefore, the correct answer is red 4.Rate this question:
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- 26.
Which of the following is the most likely to cause contamination during blood culture collection?
- A.
Letting the cleansing agents dry between steps
- B.
Cleansing the tube / bottle tops just like the site
- C.
Repalpitationg the draw site with prepped finger
- D.
Rushing the drying process between cleansings
Correct Answer
D. Rushing the drying process between cleansingsExplanation
Rushing the drying process between cleansings is the most likely to cause contamination during blood culture collection. Proper drying is important to ensure that the cleaning agents have enough time to effectively kill any microorganisms present on the skin. If the drying process is rushed, there is a higher chance of leaving behind moisture, which can create an environment for bacteria to grow and contaminate the blood culture sample.Rate this question:
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- 27.
Health care workers can demonstrate an awareness of safety in hospital corridors by_________
- A.
Turning corners carefully to avoid collision
- B.
Quickly reporting items that require clean up
- C.
Granting right of way to patients and emergencies
- D.
All answers are correct
Correct Answer
D. All answers are correctExplanation
Health care workers can demonstrate an awareness of safety in hospital corridors by turning corners carefully to avoid collision. This means that they should be cautious and mindful when navigating corners to prevent any accidents or collisions with other individuals or objects. Additionally, they can demonstrate safety awareness by quickly reporting items that require clean up. This ensures that any potential hazards or spills are promptly addressed, reducing the risk of slips or falls. Lastly, granting right of way to patients and emergencies is another way to show safety awareness, as it prioritizes the needs and urgency of those requiring immediate attention. Overall, all of these actions contribute to creating a safe environment in hospital corridors.Rate this question:
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- 28.
If a patients breathing stops unexpectedly during blood collection, the phlebotomist should _______.
- A.
Continue the collection until complete and then call for help
- B.
Stop the collection and call for help
- C.
Shake the patient vigorously
- D.
Wait for a few minutes to see if it restarts automatically
Correct Answer
B. Stop the collection and call for helpExplanation
If a patient's breathing stops unexpectedly during blood collection, the phlebotomist should stop the collection and call for help. This is the correct answer because the patient's breathing cessation indicates a medical emergency that requires immediate attention. Continuing the collection could further endanger the patient's life, so it is crucial to prioritize their well-being by stopping the procedure and seeking assistance. Shaking the patient vigorously is not an appropriate response in this situation, as it may cause harm or exacerbate their condition. Waiting for a few minutes to see if breathing restarts automatically is also not advisable, as time is of the essence in a medical emergency.Rate this question:
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- 29.
If raised , red skin blotches begin to form immediately as the tourniquet is tied to a patients arm. what should be the phlebotomists next course of action?
- A.
Ignore them, as they will dissapear when the tourniguet is released
- B.
Remove the tourniquet and handle as a possible latex reaction
- C.
Continue with the draw, but notify the physician immediately afterward
- D.
The patent is probably just chiled, normal reaction to stress
Correct Answer
B. Remove the tourniquet and handle as a possible latex reactionExplanation
The correct answer is to remove the tourniquet and handle it as a possible latex reaction. Red skin blotches forming immediately after tying the tourniquet could indicate a latex allergy in the patient. It is important for the phlebotomist to remove the tourniquet to prevent further exposure and handle the situation as a potential latex reaction. This will ensure the safety and well-being of the patient.Rate this question:
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- 30.
Tiyn clots may appear in an anticoagulated tube due to _______
- A.
Insufficient mixing
- B.
Centrifuging too slowly
- C.
An inadequate amount of blood
- D.
Traumatized platelets
Correct Answer
C. An inadequate amount of bloodExplanation
When there is an inadequate amount of blood in the anticoagulated tube, it can lead to the formation of tiny clots. This is because the anticoagulant present in the tube may not be able to completely prevent clotting in such a small volume of blood.Rate this question:
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- 31.
After finishing a blood draw, the phlebotomist must document___________
- A.
Who drew the sample
- B.
The time of draw
- C.
The date of draw
- D.
All answers are correct
Correct Answer
D. All answers are correctExplanation
After finishing a blood draw, the phlebotomist must document all the answers provided. This includes documenting who drew the sample, the time of draw, and the date of draw. All of these pieces of information are important for maintaining accurate records and ensuring proper patient care.Rate this question:
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- 32.
Communications between physician and pateint are considered prviledged, which means that medical records are _______
- A.
Confidential in nature and protected
- B.
Not pen to the patients themselves
- C.
Freely open to insurance companies
- D.
Accessible any health care worker
Correct Answer
A. Confidential in nature and protectedExplanation
The answer is "confidential in nature and protected" because privileged communication refers to the legal concept that certain communications, such as those between a physician and patient, are protected from being disclosed without the patient's consent. This protection ensures that medical records remain confidential and cannot be shared freely with insurance companies or accessed by any healthcare worker without proper authorization.Rate this question:
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- 33.
Most blood culture draws require sample collection in _________
- A.
Anaerobic and aerobic media tubes/bottles
- B.
CO@ media tubes / bottles
- C.
Sterile saline
- D.
Goats milk
Correct Answer
A. Anaerobic and aerobic media tubes/bottlesExplanation
Most blood culture draws require sample collection in anaerobic and aerobic media tubes/bottles. This is because blood cultures are used to detect and identify bacteria or fungi in the bloodstream, and different organisms have different oxygen requirements for growth. Anaerobic media tubes/bottles are used to culture bacteria that can only grow in the absence of oxygen, while aerobic media tubes/bottles are used to culture bacteria that require oxygen for growth. By using both types of media, a wider range of organisms can be detected and identified.Rate this question:
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- 34.
As a measure of ongoing quality contril phlebotomists should examine anticoagulated collection tubes for ______
- A.
Hazard warnings
- B.
Expiration dates
- C.
Visible powder
- D.
Glass integrity
Correct Answer
B. Expiration datesExplanation
As a measure of ongoing quality control, phlebotomists should examine anticoagulated collection tubes for expiration dates. This is important because using expired tubes can lead to inaccurate test results. It is necessary to ensure that the tubes are still within their validity period to maintain the quality and reliability of the samples collected.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
May 19, 2012Quiz Created by
BrendaIvelisse
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