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Answer: Answer: Answer: Answer: Answer:
NHA Phlebotomy Exam 2024 / 2025
Questions and Verified Answers
- Which layer of the heart is the eipcardium? โ Outer
- What causes vacuum tubes to fill with blood? โ Tube vacuum
- Permanent surgical connection between and artery and a vein. โ Fistula
- The proper order for doning PPE? โ Gown, mask, gloves
- Which test may require a chain of custody? โ Drug screen
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- What is the liquid portion of blood called? โ Plasma
- What is the preferred site for venipuncture? โ Antecubital fossa
- According to CLSI which tube is filled last when using a syringe? โ EDTA
- Where is blood collected, stored and prepared for transfusions? โ Blood Bank
- Which WBC carries histamine? โ Basophils
- Which additive is usually in a lavender tube? โ EDTA
Answer: Answer: Answer: Answer: Answer: โ Answer: Chemistry
- What is the normal life span of a RBC? โ 120 days
- Which tube is sometimes called a serum separator tube? โ Red/Gray
- Which fluid is obtained by lumbar puncture? โ Cerebrospinal
- Which tube is used for a sickle cell screen? โ Lavender
- This organization develops standards for specimen handling and processing? โ CLSI
- Blood cultures are collected in a tube.
โ Answer: Yellow
- Failing to provide reasonable standards of care causing someone to suffer an injury is know as. โ Answer: Negligence
- Which is NOT a reason the tourniquet is used? โ Answer: To make veins blue
- Lavender, Yellow and Green tubes should all be inverted 8 times each. โ Answer: True
- Hemostasis is defined as. โ Answer: Stoppage of blood
- What part of the infant is a PKU test performed on? โ Answer: Heel
Answer: Answer: Answer: Answer: Answer: โ Answer: Potassium oxalate
- Ammonia Chemical Test would be done with a tube? โ Green
- Which represents the proper order of blood flow? โ From arterioles to capillaries to venules
- Glycolysis occurs faster in newborns. โ True
- Which tube is drawn last in a standard venipuncture procedure? โ Lavender
- Veins are located deeper than arteries. โ False
- If the patient continues to bleed after 8 minutes of pressure you should.
Answer: Answer: Answer: Answer: Answer: โ Answer: Call for help
- What kind of valve is the tricuspid valve? โ Atrioventricle
- Which WBC comprises 40%-60% of the white blood cells? โ Neutrophils
- The most common source of carry over problems is EDTA. โ True
- Which is used for PT and PTT? โ Light blue
- Capillary puncture blood most closely resembles. โ Arterial blood
Answer: Answer: Answer: Answer: Answer: โ Answer: Timed
- Which laboratory section performs blood pregnancy tests? โ Chemistry
- How many liters of blood does the average adult have? โ 5 - 6
- Light blue tubes must be full. โ Completely
- What is the function of a leukocyte? โ Protect from infection
- Arteries have valves that prevent the blood from flowing back. โ False
- The hollow part of the needle is called the lumen.
โ Answer: True
- How many hours before a blood test should a patient discontinue the use of medications known to interfere with blood tests? โ Answer: 4 - 24
- The internal space of a blood vessel? โ Answer: Lumen
- The order of draw for venipuncture is: BC, blue, serum, green, EDTA, gray. โ Answer: True
- Blood types are determined by the presence or absence of which of the following on RBCs. โ Answer: Antigens
- Veins have thinner walls than arteries. โ Answer: True
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- The Good Samaritan Law allows health care workers to provide medical care above and beyond their normal field without being sued. โ False
- Lymph originates from? โ Tissue fluid
- Which tube is used for PTT? โ Light blue
- If an infant is screaming during a CBC test the? โ WBC may be elevated
- Microorganism cultures are collected in tubes. โ Yellow
- Serum is depleted of fibrogen. โ True
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- Leaving the tourniquet on too long may cause. โ Hemoconcentration
- The following is a test of the respiratory system? โ ABGs
- The OGTT test diagnoses. โ Diabetes
- Which tube can be used to collect blood for a type and crossmatch? โ Pink top (EDTA)
- Sodium Citrate is the additive in which tube? โ Light blue
- Oxygen-poor blood enters the heart througfh the right atrium.
- What percentage of formed elements is erythrocytes? โ Answer: 90%
- The myocardium is the layer of the heart that is made of. โ Answer: Muscle
- Blood culture tests can be done with a dermal puncture when venipuncture is not possible. โ Answer: False
- The hormone detected in a positive pregnancy test is? โ Answer: HCG
- Which should not be done during vein selection? โ Answer: Patient fist pumping
- What is the most important step in preventing infections?
Answer: Answer: Answer: Answer: Answer: โ Answer: Handwashing
- The following were collected for a routine venipuncture. Which item is incorrect? โ Iodine swabs
- What is another name for winged infusion sets? โ Butterfly
- Another name for RBC's: โ Erythrocytes
- If the needle passes completely through the vein you must pull it out of the arm and try another vein. โ False
- Which test is NOT a light sensitive test? โ Ammonia
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- Another name for thrombocytes is. โ Platelets
- What tube is used for a WCB differential? โ Lavender
- In a routine blolod draw the red tube is drawn before the green tube. โ True
- The relaxing phase of the cardiac cycle is:bradycardia? โ Diastole
- Which blood vessel is NOT part of systemic circulation? โ Pulmonary Artery
- Which of the following veins in the arm are most subjected to venipuncture?
Answer: Answer: Answer: Answer: Answer: โ Answer: Median cubital
- Which test requires a 24 hour urine specimen? โ Creatnine Clearance
- Bacteria and parasites belong to which type of hazard? โ Biologic
- Microorganisms that cause diseases? โ Pathogenic
- Which needle has the largest gauge? โ 16
- A green top tube usually contains? โ Heparin
