Phlebotomy Exam MCQ: Quiz!

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  • 1/10 Questions

    Characteristics of capillaries include:

    • Having thin-walls
    • Forming microscopic phatways
    • Connecting arterioles with venules
    • All of the above
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About This Quiz

Phlebotomy is removing blood from the body using a syringe, taken for medical testing and diagnosis. Only a professional nurse or trained technician(Phlebotomist) can perform this procedure. This quiz has been created to test your knowledge about Phlebotomy procedures and techniques. So, let's try out the quiz. All the best!

Phlebotomy Exam MCQ: Quiz! - Quiz

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  • 2. 

    What is a normal blood potassium level?

    • 6.2 mEq/L–7.5 mEq/L

    • 3.5 mEq/L5.0 mEq/L

    • 7.5 mEq/L–9 mEq/L

    • 1.4 mEq/L–3.5 mEq/L

    Correct Answer
    A. 3.5 mEq/L5.0 mEq/L
    Explanation
    A normal blood potassium is between 3.5 mEq/L and 5.0 mEq/L. Numbers outside of this range can have a serious negative impact on the body.

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  • 3. 

    The Smallest Veins in the human body are known as:

    • Villi

    • Bronchiole

    • Venules

    • Lymph glands

    Correct Answer
    A. Venules
    Explanation
    Venules are the smallest veins in the human body. Veins are blood vessels that carry deoxygenated blood back to the heart. Venules are even smaller than veins and are responsible for collecting blood from capillaries and transporting it to larger veins. They have thin walls and are located in various tissues and organs throughout the body. Venules play a crucial role in the circulatory system by facilitating the return of blood to the heart and maintaining proper blood flow.

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  • 4. 

    Capillary blood collection would not be appropriate for which patient type?

    • Patients who are extremely obese

    • Infants

    • Patients who are severely dehydrated

    • Patients with veins that are difficult to access

    Correct Answer
    A. Patients who are severely dehydrated
    Explanation
    Capillary blood collection is appropriate for every patient type listed except for severely dehydrated patients. Capillary blood collection is the preferred method for blood specimen collection in infants and children.

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  • 5. 

    Which of the following conditions may complicate tourniquet use?

    • Addison’s disease

    • Thyroid tumor

    • Cushing Sydrome

    • Sickle Cell disease

    Correct Answer
    A. Sickle Cell disease
    Explanation
    Sickle cell disease is an inherited condition that affects the hemoglobin in red blood cells.

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  • 6. 

    The aorta Branches into Smaller divisions called arteries, which in turn branch into even smaller divisions called?

    • Capillaries

    • Arterioles

    • Venules

    • Lymph glands

    Correct Answer
    A. Arterioles
    Explanation
    The aorta branches into smaller divisions called arteries, which then further divide into even smaller divisions called arterioles. Arterioles are small blood vessels that regulate blood flow and control the amount of blood that enters the capillaries. They play a crucial role in maintaining blood pressure and distributing oxygenated blood to various tissues and organs.

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  • 7. 

    A patient reports an iodine allergy. To be safe, which of the following solutions would you avoid when cleansing his skin for a blood draw?

    • Alcohol

    • Hibiclens

    • Chloraprep

    • Betadine

    Correct Answer
    A. Betadine
    Explanation
    Betadine contains between 9% and 12% iodine, and therefore should be avoided in those with an iodine allergy.

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  • 8. 

    What is the maximum recommended puncture depth when performing a heel stick on an infant?

    • 0.5 mm

    • 1 mm

    • 3 mm

    • 2 mm

    Correct Answer
    A. 2 mm
    Explanation
    A needle stick depth of 2 mm is sufficient to obtain a blood sample but also should not damage nerves or bone. The sample should always be obtained from the flat bottom surface of the heel and not toward the calcaneus.

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  • 9. 

    You are doing a venipuncture on a patient’s arm. Where should you place the tourniquet?

    • Place it at the puncture site.

    • Place it below the puncture site.

    • Place it above the puncture site.

    • A tourniquet is not advised for this procedure.

    Correct Answer
    A. Place it below the puncture site.
    Explanation
    A tourniquet applied above the puncture site will help increase venous pressure in the area where the blood will be obtained. Increased venous pressure makes the veins easier to see and feel, and increases the odds of collecting a specimen on the first try.

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  • 10. 

    The forearm vein most commonly used for venipuncture is the:

    • Median cubital

    • Basilic

    • Cephalic

    • Radial

    Correct Answer
    A. Radial
    Explanation
    The forearm vein most commonly used for venipuncture is the radial vein. This vein is located on the thumb side of the forearm and is often chosen for venipuncture due to its accessibility and ease of use. It is less prone to rolling or moving during the procedure, making it a preferred option for drawing blood or administering intravenous medications. Additionally, the radial vein is less likely to cause complications such as nerve damage or arterial puncture compared to other forearm veins.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 17, 2015
    Quiz Created by
    Sabina
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