Phlebotomy Certification ( P1 -p4)
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Questions and Answers
- 1.
The most important step in the performance of a venipuncture is
- A.
Selecting needle size
- B.
Collecting enough sample
- C.
Identifying the patient
- D.
Positioning the patient
Correct Answer
C. Identifying the patientExplanation
Identifying the patient is the most important step in the performance of a venipuncture because it ensures that the correct patient is receiving the procedure. This is crucial for patient safety and to prevent any mix-ups or errors in the collection of blood samples. Proper identification helps to avoid potential complications and ensures that the procedure is being performed on the intended individual.Rate this question:
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- 2.
The body system the filters blood to eliminate waste, helps maintain blood pH and regulates water balance is the _______ system.
- A.
Respiratory
- B.
Urinary
- C.
Nervous
- D.
Cardiovasular
Correct Answer
B. UrinaryExplanation
The urinary system is responsible for filtering blood to eliminate waste products, maintaining blood pH levels, and regulating water balance in the body. It consists of the kidneys, ureters, bladder, and urethra. The kidneys filter waste products and excess water from the blood to form urine, which is then excreted from the body. Additionally, the urinary system helps regulate electrolyte levels and blood pressure. Therefore, the correct answer is Urinary.Rate this question:
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- 3.
Which of these needle has the smallest bore or diameter?
- A.
15 gauge
- B.
23 Gauge
- C.
20 Gauge
- D.
22 Gauge
Correct Answer
B. 23 GaugeExplanation
The needle with the smallest bore or diameter is the 23 gauge needle. The gauge of a needle refers to its size, with a higher gauge indicating a smaller needle size. Therefore, the 23 gauge needle has a smaller bore or diameter compared to the other options given (15 gauge, 20 gauge, and 22 gauge).Rate this question:
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- 4.
A complete blood count (CBC) is collected in an evacuated tube with what color stopper?
- A.
Blue
- B.
Lavender
- C.
Red
- D.
Black
- E.
RAINBOWZ
Correct Answer
B. LavenderExplanation
A complete blood count (CBC) is collected in an evacuated tube with a lavender stopper. This is because the lavender stopper is specifically designed for collecting blood samples for hematological testing, such as CBC. The lavender stopper contains the anticoagulant EDTA, which prevents blood from clotting and allows accurate analysis of various blood components, including red blood cells, white blood cells, and platelets. Using the lavender stopper ensures that the blood sample remains stable and suitable for analysis.Rate this question:
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- 5.
When performing a routine skin puncture, the site should be alcohol cleaned and _____
- A.
Rinsed with soap and water
- B.
Followed by iodine cleaning
- C.
Allowed to air dry on its own
- D.
Blown dry to expedite things
Correct Answer
C. Allowed to air dry on its ownExplanation
After performing a routine skin puncture, it is important to clean the site with alcohol to disinfect it. Once the site is cleaned, it should be allowed to air dry on its own. This is because air drying helps to prevent contamination and ensures that the puncture site is completely dry before any further procedures are performed. It is not necessary to rinse with soap and water or use iodine cleaning after alcohol cleaning. Blowing dry to expedite things may introduce contaminants and is not recommended.Rate this question:
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- 6.
When using two glass slides to make a blood smear, the reccomended angle of contact between them is approximately ______ degrees
- A.
3
- B.
10
- C.
30
- D.
90
Correct Answer
C. 30Explanation
When making a blood smear using two glass slides, it is recommended to have an angle of contact of approximately 30 degrees between them. This angle allows for the blood to spread evenly and create a thin, uniform smear on the slide, which is important for accurate microscopic examination of the blood sample. A smaller angle may result in a thicker smear, while a larger angle may cause uneven spreading or smearing of the blood.Rate this question:
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- 7.
An evacuated tube system for venipuncture consists of ALL BUT WHICH ONE of these components?
- A.
Vacuum collection tube with color coded stopper
- B.
Special plastic holder known as adapter
- C.
Compartmentalized, hard shell collection tray
- D.
Double sided multi sample needle with slanted bore
Correct Answer
C. Compartmentalized, hard shell collection trayExplanation
An evacuated tube system for venipuncture consists of a vacuum collection tube with a color-coded stopper, a special plastic holder known as an adapter, and a double-sided multi-sample needle with a slanted bore. The compartmentalized, hard shell collection tray is not a component of an evacuated tube system for venipuncture.Rate this question:
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- 8.
Confirming an outpatients name and _____ provides two important identifiers for blood collection.
- A.
Blood type
- B.
Address
- C.
Date of birth
- D.
Appointment time
Correct Answer
C. Date of birthExplanation
Confirming an outpatient's name and date of birth provides two important identifiers for blood collection. The name ensures that the correct patient is being treated, while the date of birth helps to further verify their identity and prevent any mix-ups or errors. This information is crucial for ensuring the accuracy and safety of the blood collection process.Rate this question:
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- 9.
To draw blood from apatient with an open IV line the selected site should be located _____
- A.
Below the TV
- B.
In the IV tubing
- C.
Above the IV
- D.
In the antecubital fossa
Correct Answer
C. Above the IVExplanation
When drawing blood from a patient with an open IV line, it is important to select a site that is located above the IV. This is because drawing blood from a site below the IV can cause contamination of the blood sample with IV fluids, leading to inaccurate test results. Therefore, selecting a site above the IV ensures that the blood sample is not affected by the IV line and provides an accurate representation of the patient's blood.Rate this question:
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- 10.
Why does a multi sample needle have a rubber sleeve over the end of the needle that is inserted into the collection tube?
- A.
To make it easier to push tubes on and off
- B.
To decrease the chance of patient needle injury
- C.
To prevent blood from seeping into the adapter
- D.
To keep bacteria from entering the collection tubes
Correct Answer
C. To prevent blood from seeping into the adapterExplanation
The rubber sleeve on the end of the needle is inserted into the collection tube to prevent blood from seeping into the adapter. This is important because if blood were to enter the adapter, it could contaminate the sample and potentially affect the accuracy of the test results. The rubber sleeve acts as a barrier, ensuring that only the desired amount of blood is collected and preventing any leakage or seepage into the adapter.Rate this question:
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- 11.
Squeezing the finger too vigorously during the capillary bloood collection can cause erroneous lab results due to
- A.
Skin contamination
- B.
Blood cell concentration
- C.
Clotting at the puncture site
- D.
Dilution with tissue fluid
Correct Answer
D. Dilution with tissue fluidExplanation
Squeezing the finger too vigorously during capillary blood collection can cause erroneous lab results due to dilution with tissue fluid. When the finger is squeezed too hard, excess tissue fluid can be forced into the blood sample, leading to inaccurate measurements. This dilution can affect the concentration of various components in the blood, potentially skewing the results. It is important to ensure a gentle and controlled pressure during capillary blood collection to minimize the risk of dilution with tissue fluid.Rate this question:
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- 12.
The smallest veins of the human anatomy are known as_____
- A.
Capillaries
- B.
Arteries
- C.
Venules
- D.
Arterioles
Correct Answer
C. VenulesExplanation
Venules are the smallest veins in the human anatomy. Veins are blood vessels that carry deoxygenated blood back to the heart. Venules are smaller branches of veins that collect blood from capillaries and merge to form larger veins. Arteries, on the other hand, carry oxygenated blood away from the heart, while capillaries are the smallest blood vessels where exchange of nutrients and waste products occur. Arterioles are smaller branches of arteries. Therefore, venules are the correct answer as they are specifically referred to as the smallest veins in the human body.Rate this question:
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- 13.
Treating ALL lab specimens as if they are hazardous and infectious is the basis for
- A.
Patient quarantine systems
- B.
Quality assurance programs
- C.
Universal precautions
- D.
Hazardous waste controls
Correct Answer
C. Universal precautionsExplanation
Treating all lab specimens as if they are hazardous and infectious is the basis for universal precautions. Universal precautions are a set of guidelines and practices that aim to prevent the transmission of infections in healthcare settings. By treating all specimens as potentially hazardous, healthcare professionals take necessary precautions such as wearing gloves, masks, and other protective equipment, and following proper handling and disposal procedures. This helps to protect both the healthcare workers and the patients from the risk of infection. Universal precautions are an essential part of maintaining a safe and healthy environment in healthcare facilities.Rate this question:
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- 14.
OSHA requires training and educational info be given to phlebotomists on ALL BUT WHICH ONE of the following topics?
- A.
Blood borne pathogens
- B.
Preventing identification errors
- C.
Needle and safety handling
- D.
Glass and sharps disposal
Correct Answer
B. Preventing identification errorsExplanation
OSHA requires training and educational information to be given to phlebotomists on blood borne pathogens, needle and safety handling, and glass and sharps disposal. However, preventing identification errors is not specifically mentioned as a topic that OSHA requires training on for phlebotomists.Rate this question:
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- 15.
Which of these elements in blood is bound by EDTA in a collection tube to prevent clotting?
- A.
Potassium
- B.
Magnesium
- C.
Calcium
- D.
Sodium
Correct Answer
C. CalciumExplanation
EDTA (Ethylenediaminetetraacetic acid) is a chelating agent commonly used in blood collection tubes to prevent clotting by binding to calcium ions. Calcium plays a crucial role in the blood clotting process, and by removing it, EDTA inhibits the activation of clotting factors and prevents coagulation. This ensures that the collected blood remains in a liquid state, making it suitable for various laboratory tests and analysis.Rate this question:
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- 16.
The hands of the phlebotomist should be washed _________
- A.
Before inspection collection
- B.
After specimen collection
- C.
Even though gloves are used
- D.
All answers are correct
Correct Answer
D. All answers are correctExplanation
The correct answer is "all answers are correct" because it is important for the phlebotomist to wash their hands before inspecting the collection to ensure that they have clean hands and reduce the risk of contamination. They should also wash their hands after specimen collection to remove any potential pathogens or contaminants. Even though gloves are used, handwashing is still necessary as gloves can have small tears or punctures that may not be visible. Therefore, all of the given answers are correct as they emphasize the importance of hand hygiene in phlebotomy.Rate this question:
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- 17.
If a glass tube breaks during centrifugation, what sequence of actions would be best?
- A.
Evacuate the room open the lid and remove the glass with forceps
- B.
Open the lid stop the centrifuge and remove the glass wearing gloves
- C.
Stop the centrifuge open the lid and use forceps to remove any glass
- D.
Leave the room and dance around
Correct Answer
C. Stop the centrifuge open the lid and use forceps to remove any glassExplanation
In the event of a glass tube breaking during centrifugation, the best sequence of actions would be to stop the centrifuge to prevent further damage or injury. Then, open the lid to access the broken glass and use forceps to safely remove any glass fragments. This ensures the safety of the individual by minimizing the risk of injury from the broken glass.Rate this question:
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- 18.
Whic of these is a common component of disinfectant solutions used for colection of blood cultures?
- A.
Chlorhexidine
- B.
Methanol
- C.
Glutaraldehyde
- D.
Lidocaine
Correct Answer
A. ChlorhexidineExplanation
Chlorhexidine is a common component of disinfectant solutions used for the collection of blood cultures. It is a broad-spectrum antiseptic that is effective against a wide range of microorganisms. Chlorhexidine is commonly used to clean the skin before invasive procedures, such as blood culture collection, to reduce the risk of infection. It has strong antimicrobial properties and is known for its ability to kill both gram-positive and gram-negative bacteria, as well as certain fungi and viruses. Therefore, chlorhexidine is a suitable choice for disinfecting the skin before blood culture collection.Rate this question:
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- 19.
If the information of the patients id breacelet is NOT identical to the information on the phlebotomy test requisition and labels for that patient, the phlebotomist should _____
- A.
Telephone the physician for help in identifying the patient
- B.
Refrain from drawing the sample until ID is resolved
- C.
Change the ID band information to match the requisition
- D.
Ignore the id bracelet and proceed
Correct Answer
B. Refrain from drawing the sample until ID is resolvedExplanation
If the information on the patient's ID bracelet is not identical to the information on the phlebotomy test requisition and labels, it is important for the phlebotomist to refrain from drawing the sample until the ID is resolved. This is necessary to ensure accurate identification of the patient and to prevent any potential errors or mix-ups in the testing process. It is crucial for the phlebotomist to have the correct patient information before proceeding with any procedures.Rate this question:
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- 20.
Before performing a venipuncture, why will a phlebotomist tie a tourniquet?
- A.
To insure thrombosis occurs
- B.
To elevate the blood pressure
- C.
To help locate the veins in the antecubital
- D.
To dull the pain at the puncture site
Correct Answer
C. To help locate the veins in the antecubitalExplanation
A phlebotomist will tie a tourniquet before performing a venipuncture to help locate the veins in the antecubital. By applying pressure to the area, the veins become more visible and easier to access, increasing the chances of a successful blood draw. This technique is commonly used in order to minimize the risk of complications and ensure that the procedure is performed accurately and efficiently.Rate this question:
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- 21.
When a 5 millimeter evacuated tube appears to extract blood with too much force from a weak wein (causing the vein to collapse) the phlebotomist might have better results using a ______
- A.
Larger colllection tube
- B.
Tighter tourniquet
- C.
Pediatric sized tube
- D.
Larger bore (diameter) needle
Correct Answer
C. Pediatric sized tubeExplanation
When a 5 millimeter evacuated tube appears to extract blood with too much force from a weak vein (causing the vein to collapse), using a pediatric sized tube might yield better results. This is because a pediatric sized tube has a smaller diameter compared to a regular tube, which means it exerts less suction force on the vein. This reduces the likelihood of the vein collapsing and allows for a smoother blood extraction process.Rate this question:
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- 22.
To collect blood for a prothrombin time test, use an eacuated tube with a ____ colored stopper
- A.
Light blue
- B.
Red
- C.
Blue
- D.
Black
Correct Answer
A. Light blueExplanation
The correct answer is light blue because a prothrombin time test requires the use of a sodium citrate anticoagulant, which is commonly found in light blue stopper tubes. This anticoagulant helps prevent the blood from clotting during the test, allowing for accurate measurement of the prothrombin time. Other colored stoppers, such as red, blue, or black, are typically used for different types of tests or have different additives that are not suitable for a prothrombin time test.Rate this question:
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- 23.
One bedside (point of care) laboratory test that is used before surgery to check whether a patient has a sufficient number of working platelets is known as the ___ test.
- A.
Prothrombin time
- B.
Bleeding time
- C.
Partial thromboplastin time
- D.
Complete blood counts
Correct Answer
C. Partial thromboplastin timeExplanation
The partial thromboplastin time test is used before surgery to check if a patient has enough functioning platelets. This test measures the time it takes for blood to clot and is used to evaluate the intrinsic pathway of coagulation. By assessing the clotting time, it can help determine if there are any abnormalities in the clotting process and if the patient is at risk for excessive bleeding during surgery.Rate this question:
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- 24.
Paul phlebotomist draws CBC on patient fred jones , labels the lavender top tube and remove his gloves to go to lunch. Before he can leave patient Sam smith is sent to phlebotomist to have a full lipid profile drawn. paul puts on new gloves and draws a red top tube he recors the # hours post prandial. what step is missing?
- A.
Hands arent washed in between
- B.
Hours postprandial arent needed
- C.
Red top tube is incorrect
- D.
Laender tube is incorrect
Correct Answer
A. Hands arent washed in betweenExplanation
The step that is missing is that the phlebotomist did not wash his hands in between drawing the lavender top tube for patient Fred Jones and drawing the red top tube for patient Sam Smith. It is important to wash hands in between each patient to prevent cross-contamination and the spread of infections.Rate this question:
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- 25.
To collect blood without an addititve use an evacuated tube with a ___ colored stopper
- A.
Lavender
- B.
Red
- C.
Blue
- D.
Black
Correct Answer
B. RedExplanation
The correct answer is red because red stoppers are typically used for collecting blood without an additive. This is because red stoppers indicate that the tube contains a clot activator, which helps to separate the blood cells from the serum or plasma. The clot activator promotes coagulation, allowing the blood to clot and separate more easily during the centrifugation process. Therefore, using an evacuated tube with a red stopper is the appropriate choice for collecting blood without an additive.Rate this question:
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- 26.
Can a phlebotomist legally draw blood from a fully cognizant (awake and aware) patient who refuses consent to it?
- A.
No
- B.
Yes with nurse consent
- C.
Yes with physician concent
- D.
Yes with administrative consent
Correct Answer
A. NoExplanation
A phlebotomist cannot legally draw blood from a fully cognizant patient who refuses consent. Consent is a fundamental principle of medical ethics, and it is necessary for any medical procedure to be performed on a patient. Without the patient's consent, it would be considered a violation of their autonomy and rights. Therefore, the correct answer is "no."Rate this question:
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Mar 21, 2023Quiz Edited by
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Mar 05, 2012Quiz Created by
NikelBagg05
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