Questions and Answers
Which of the following body systems protects vital organs and gives body structure?
What position should the bevel of the needle be in before entering a vein?
Facing upward
The correct term for 'decrease in the number of circulating red blood cells' is:
Anemia
The correct term that refers to the destruction of blood cells is:
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The correct term for 'white blood cells' is:
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For blood gas collections, which gauge needles are most often used?
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Which specimen requires chilling during transfer to the lab?
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Phlebotomy skills would not include?
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What does CBC stand for?
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What is the functional unit of the nervous system?
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What promotes the breakdown of glycogen back into glucose?
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One group of inherited disorders marked by increased bleeding times is known as:
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At what angle should a venipuncture needle puncture the skin?
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Where should blood never be collected from a patient?
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What test is used to diagnose whooping cough, croup, and pneumonia mainly in children?
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The correct term for 'a cell that aids in the blood clotting process' is:
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The middle and ring fingers are the most common digits used to obtain a dermal puncture in adults.
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The most common procedure for collecting many types of urine specimens is known as the:
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HIPAA is:
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Which is not a laboratory test that assesses for muscle disorders?
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Hepatitis involves which organ?
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If you encounter a hazardous chemical that you need more information about, where can you quickly and accurately locate that information?
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Being free from contamination or germs is referred to as what term?
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Implied consent form a patient to draw blood would be obtained by which action?
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When collecting a sample to determine blood alcohol levels, what color tube should be used?
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If a sample needs to be diluted, what should be added?
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Potassium EDTA binds to what element in the blood?
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A failure to fast when ordered can impact a blood sample in which of the following ways?
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If you notice that the name of a patient is spelled differently on the requisition and a patient's armband, what is the best course of action?
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Anchoring a vein properly requires which of the following actions?
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The most common cause of contamination in blood cultures is which of the following?
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What is another name for a thrombocyte?
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Inserting a needle at the point of divergence between veins can result in what?
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Approximately how many liters of blood is generally found in the adult human body?
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A failure to allow alcohol to completely dry during site preparation can lead to what?
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The process of maintaining control of a specimen from the point of collection until testing is complete is referred to as what?
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Which of the following is not required on a correctly completed requisition?
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Workplace safety in a lab is governed by which agency?
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What is the proper sequence for putting on PPE?
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When should a sharps container be disposed of?
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The additive 3.2% sodium citrate results in what?
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Prior to drawing from a sleeping patient, what should be done?
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What type of draw is generally performed for patients in infancy?
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Which of the following would not be required for a finger stick?
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Which of the following is a characteristic of capillaries?
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What action can prevent bruises from forming due to a blood draw?
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Which test order should be given the most priority?
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Which of the following is not a primary method of venipuncture?
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Why is blood drawn in a specific order?
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When a sample is rejected for QNS, what is the appropriate response?
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What is the first step in dealing with a patient that appears nervous?
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Which of the following can reduce your risk of infection after being exposed to a bloodborne pathogen such as Hepatitis B or HIV?
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When a patient's vein is small, thin, or fragile, what would be the most appropriate equipment selection?
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Which of the following needle gauge sizes has the largest bore (opening)?
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How long should a tube be pre-warmed in an incubator prior to collecting a warmed specimen, such as Cold Agglutinins?
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Which cleansing agent is typically not used on venipuncture for the collection of blood cultures or blood alcohol specimens?
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What is an acceptable method of patient identification?
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If a patient indicates previous experiences of fainting during venipuncture, what should be done?
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Which of the following tests does not require fasting?
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What are the smallest veins in the human body?
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Which of the following actions is standard practice when collecting a blood smear?
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What is the smallest gauge needle used for venipuncture?
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Which test is not impacted by fasting?
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Which of the following is not a standard vacuum tube size?
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What is the most common cause of blood culture contamination?
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Under what circumstances should a tube be pre-labeled?
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How many unsuccessful attempts at venipuncture are allowed before seeking additional assistance is required?
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For elderly patients, in what circumstances would a capillary puncture be performed rather than venipuncture?
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What test requires that it be chilled in ice right after collection?
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If one is used, when should the tourniquet be removed?
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What is the maximum depth a heel stick should penetrate?
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In what location are nutrients and gases exchanged in the body?
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Septicemia can be detected by what type of test?
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Which color tube needs to be filled completely?
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What can be done to make drawing easier on a patient with rolling veins?
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If an intoxicated person refuses a blood sample to determine the presence of alcohol or drugs at the request of a police officer, what is the best course of action?
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When performing quality control checks, tubes should be discarded under which circumstances?
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When should tubes be labeled?
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How long should you observe the site prior to bandaging?
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When washing your hands, why is it important to stand back from the sink?
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Which antiseptic should not be used on pre-term infants or those under 2 months of age?
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When preparing to draw a gentamycin peak and trough, what element should the phlebotomist pay particular attention to?
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What field is unnecessary on an infant's blood sample label?
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Which test requires the collection of both blood and urine at specific intervals?
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Which test requires the sample to be protected from light?
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For adult patients, what is the maximum length lancet that should be used for a fingerstick?
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If you experience a patient pumping their fists during a blood draw, what can you do?
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During blood coagulation, what is formed?
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The veins of patients undergoing chemotherapy are especially challenging for venipuncture due to what characteristics?
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When performing a dermal puncture, where should the puncture be made?
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Which blood vessels are a single cell in thickness?
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To protect blood constituents that are light-sensitive, the phlebotomist should:
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Which of the following veins is the most common second choice, after the median cubital vein, when drawing a blood sample?
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The most common HAI (previously known as nosocomial) laboratory infection is:
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What test is used to diagnose hypoglycemia?
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Timed specimens are most frequently collected to monitor:
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What is the maximum amount of time an infant heel warming device should be applied for?
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What is the functional unit of the kidney known as?
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What is the most common chemistry test performed by means of POCT?
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Plasma consists of what percentage of total blood volume?
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Study Notes
Body Systems and Terminology
- The Skeletal System provides structure and protects vital organs.
- Anemia refers to a decrease in circulating red blood cells.
- Hemolysis is the destruction of blood cells.
- Leukocytes are white blood cells essential for immune response.
Phlebotomy Techniques
- Before entering a vein, the needle's bevel should face upward.
- A 21g needle is standard for blood gas collections.
- Venipuncture should be performed at an angle between 15 to 30 degrees.
- Blood should never be collected from an AV shunt.
Patient Safety and Preparation
- Asepsis means being free from contamination or germs.
- Patients must be properly identified by asking for their name and date of birth.
- When dealing with nervous patients, reassure them and identify their concerns.
- If a patient has a history of fainting, move them to a lying position during the draw.
Sample Collection Procedures
- Arterial blood gases require chilling during transport.
- A Midstream clean catch is commonly used for urine samples.
- For blood alcohol levels, a gray tube should be used.
- The Chain of custody is crucial for specimen control from collection to testing.
Safety Regulations
- HIPAA is focused on the privacy of personal health information.
- OSHA governs workplace safety in laboratory settings.
- Contaminated blood cultures often result from improper site preparation.
Effective Practices
- Apply firm pressure after blood draws to prevent bruising.
- Tubes should be labeled after the draw, but before leaving the patient's room.
- Sharps containers should be disposed of when 3/4 full.
Laboratory Tests and Conditions
- The Complete Blood Count (CBC) does not require fasting.
- Blood culture contamination is frequently due to inadequate skin preparation.
- Conditions like thrombocytopenia can be indicated by the presence of platelets during a sample analysis.
Equipment and Techniques
- A heel stick is used for infants; the maximum penetration depth is 2.0 mm.
- Capillaries are where nutrient and gas exchange occurs; they are a single cell thick.
- Use a syringe for patients with fragile veins.
Additional Important Facts
- The most common laboratory infection from HAIs is Hepatitis.
- The functional unit of the nervous system is a Neuron.
- Plasma constitutes approximately 45% of total blood volume.
Special Tests and Considerations
- The 5-hour oral glucose tolerance test (GTT) is utilized to diagnose hypoglycemia.
- A Bilirubin test sample must be protected from light.
- The most common chemistry test conducted via POCT is Glucose.
Personal Care and Follow-Up
- When interacting with a patient, ensure comfort and proper communication.
- Assess for potential risks of infection post-exposure to bloodborne pathogens.
- Always proceed with dignity and respect for the patient's condition during procedures.
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Description
Test your knowledge with this comprehensive practice exam for American Allied Health. These flashcards cover essential topics such as body systems, medical terminology, and procedures. Perfect for students preparing for their health care certifications.