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Clinical Procedures and Protocols Flashcards

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Read the first 7 Clinical Procedures and Protocols flashcards as text

  1. During IV cannula insertion, blood is seen in the flashback chamber. What does this confirm?

    Answer: The needle tip has entered a vein

    Flashback of blood into the chamber confirms the needle tip is within the vessel, but the cannula must still be advanced before the needle is withdrawn.

  2. What is the correct depth for chest compressions in adult cardiopulmonary resuscitation (CPR) according to current AHA guidelines?

    Answer: 5–6 cm

    Current AHA guidelines recommend compressing the chest at least 5 cm (2 inches) but no more than 6 cm (2.4 inches) to maximize cardiac output.

  3. When collecting an arterial blood gas (ABG) from the radial artery, which test should be performed first to assess collateral circulation?

    Answer: Allen's test

    Allen's test assesses patency of the ulnar artery collateral circulation before radial artery puncture to prevent hand ischemia.

  4. A patient needs a central venous catheter (CVC) via the internal jugular vein. What complication is MOST specific to this site compared to the subclavian approach?

    Answer: Carotid artery puncture

    Carotid artery puncture is the most site-specific complication of internal jugular CVC insertion due to the vessel's proximity.

  5. When applying a plaster of Paris backslab, which layer is applied FIRST directly against the skin?

    Answer: Stockinette and orthopaedic wool (padding)

    Stockinette followed by orthopaedic wool provides padding that protects the skin from pressure, heat, and plaster contact.

  6. During an OSCE, you are asked to perform a digital nerve block for finger laceration repair. Which anesthetic is CONTRAINDICATED for this procedure?

    Answer: Lidocaine with epinephrine (adrenaline)

    Vasoconstrictors such as epinephrine are contraindicated in digital blocks due to risk of digital artery vasospasm and ischemia.

  7. What is the preferred position for a patient during a lumbar puncture to maximize the interspinous space?

    Answer: Lateral decubitus with knees drawn to chest and chin tucked (fetal position)

    The lateral fetal position opens the interspinous spaces maximally by flexing the lumbar spine, facilitating needle insertion.

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