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Fundamentals · chapter 11 · Medication Administration

The Medication Administration Process

The 13 things this section of the textbook says that you are most likely to be asked about — quoted word for word, not retold. Then 6 practice questions with the reasoning.

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Key points

  1. Nurse as final checkpoint

    Serving as the final checkpoint in the medication process before administration, nurses assume a pivotal role in safeguarding patient safety.
  2. Oral contraindication assessment

    The nurse must assess for contraindications such as dysphagia (difficulty swallowing), nasogastric (NG) tube with suctioning, nothing by mouth (NPO) status, or the inability to sit upright.
  3. Tablets that cannot be crushed

    However, it is crucial to verify that a tablet may be crushed by consulting a drug reference or a pharmacist. An enteric-coated tablet (a tablet covered in a substance that delays the medication from dissolving), a capsule (a powder or granules contained in a gelatin shell), and timed-release (slow release of a medication for prolonged action) should never be crushed as this will affect the intended action of the medication.
  4. Confirm swallowing before documenting

    Remain with the patient until all medication has been swallowed before documenting to verify the medication has been administered.
  5. Sublingual and buccal instructions

    For medications given sublingually (under the tongue) or buccally (between the cheek and gum), ensure the mouth is moist by offering a drink of water prior to administration, which aids absorption.
  6. Intradermal angle and wheal

    The needle should be inserted at a 10- to 15-degree angle into the skin, creating a small bleb or wheal (a small, raised, and usually pale bump that forms at the injection site) that indicates proper placement of the medication (Indiana Department of Health, n.d.).
  7. Subcutaneous site selection

    Common sites for SQ injections include the abdomen, upper arms, thighs, and buttocks, with the abdomen being the preferred site for most injections due to its large surface area and consistent absorption rates.
  8. Subcutaneous injection angle

    During the injection process, the nurse should use a quick, dart-like motion to insert the needle into the subcutaneous tissue at a 45- to 90-degree angle, depending on the needle length and the patient’s body size.
  9. Intramuscular site factors

    The choice of injection site depends on factors such as the patient’s age, the volume of medication, and the type of medication being administered.
  10. Intramuscular injection angle

    During the injection process, the nurse should use a quick, dart-like motion to insert the needle into the muscle tissue at a 90-degree angle (Polania Munakomi, 2023).
  11. Intravenous onset

    This route allows for rapid absorption and immediate therapeutic effects, making it suitable for medications that require fast onset of action, such as emergency drugs, fluids, and certain antibiotics.
  12. Intravenous complication monitoring

    The nurse should administer the medication slowly and continuously, monitoring the patient for any signs of adverse reactions or complications, such as infiltration (occurs when the tip of the catheter slips out of the vein and into the surrounding tissue), extravasation (infiltration of damaging IV medications into the extravascular tissue around the site of infusion), or phlebitis (inflammation of a vein).
  13. Ear drop technique

    Using one hand, the nurse should gently pull the earlobe upward and backward (downward and backward for a pediatric patient) to straighten the ear canal and create a pathway for the medication (Nemours Kids Health, 2022).

Terms to know

oral administration ( per os , or PO)
Medications ordered for oral administration (per os, or PO) are taken by mouth.
intradermal (ID) medication administration
Injecting medications into the dermis layer of the skin, just below the epidermis, is known as intradermal (ID) medication administration.
s ubcutaneous (SQ) medication administration
Delivering medications into the fatty tissue layer just beneath the skin is known as s ubcutaneous (SQ) medication administration.
intramuscular (IM) medication administration
Injecting medications directly into the muscle tissue is known as intramuscular (IM) medication administration.
Intravenous (IV) medication administration
Intravenous (IV) medication administration involves delivering medications directly into the bloodstream via a vein.
eye drop
To administer an eye drop, liquid medication intended for use in the eye, the nurse should instruct the patient to tilt their head back and look up, or lie down if unable to sit upright.
ear drop
To administer an ear drop, liquid medication applied into the ear canal, the nurse should instruct the patient to lie on their side with the affected ear facing upward.

Practice questions

Stuck on select-all-that-apply? How to take them one option at a time.

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Every question here, with the answer

  1. A patient who has difficulty swallowing is prescribed a timed-release oral tablet. The patient asks the nurse to crush it in applesauce. What is the nurse’s best action?

    1. Hold the medication and document that the patient refused it.
    2. Crush the tablet and mix it with applesauce based on the patient’s prescribed diet.
    3. Give the tablet whole with a full glass of water and document administration.
    4. Contact the provider for a change in the route of administration.

    Answer: Contact the provider for a change in the route of administration.

    Timed-release medications should never be crushed because crushing affects the intended action of the medication. Since the patient has difficulty swallowing and the medication cannot be crushed, the nurse should contact the provider for a different route rather than giving it whole or documenting refusal.

  2. The nurse is preparing to administer a liquid oral medication to a young child who is reluctant to take it. Which nursing actions are appropriate? Select all that apply.

    1. Have the child’s caregiver assist with administering the medication when helpful.
    2. Use an oral syringe or medication dropper to provide a precise measurement.
    3. Place the liquid medication at the back of the child’s throat to make swallowing faster.
    4. Be patient and try to address the child’s and caregiver’s fears.
    5. Squirt the medication between the child’s gum and cheek.

    Answer: Have the child’s caregiver assist with administering the medication when helpful., Use an oral syringe or medication dropper to provide a precise measurement., Be patient and try to address the child’s and caregiver’s fears., Squirt the medication between the child’s gum and cheek.

    The section emphasizes precise measurement, administration between the gum and cheek to reduce aspiration risk, caregiver assistance when helpful, and patience with fears. Placing medication at the back of the throat is unsafe because the section specifically directs administration between the gum and cheek to avoid aspiration.

  3. After an intradermal injection for skin testing, the patient says the site itches and begins rubbing it. What should the nurse do?

    1. Instruct the patient to avoid scratching or rubbing the injection site.
    2. Massage the site to help disperse the medication.
    3. Tell the patient that itching means the test result is complete.
    4. Apply firm pressure until the itching stops.

    Answer: Instruct the patient to avoid scratching or rubbing the injection site.

    The nurse should teach the patient not to scratch or rub the intradermal injection site because irritation can interfere with accurate interpretation of skin test results. Massaging, firm pressure, or interpreting the itching as a completed result is not supported by the section.

  4. The nurse is preparing to administer a subcutaneous medication. Which actions are consistent with the procedure described in the section? Select all that apply.

    1. Aspirate the syringe to check for blood return before injecting.
    2. Pinch the skin at the selected injection site to create a skinfold.
    3. Assess factors such as the thickness of subcutaneous tissue, the volume of medication, and the type of medication.
    4. Dispose of the used needle and syringe in a puncture-proof container and document the site and patient response.
    5. Insert the needle into muscle tissue at a 90-degree angle.

    Answer: Pinch the skin at the selected injection site to create a skinfold., Assess factors such as the thickness of subcutaneous tissue, the volume of medication, and the type of medication., Dispose of the used needle and syringe in a puncture-proof container and document the site and patient response.

    For subcutaneous administration, the nurse assesses suitability, pinches the skin to create a skinfold, disposes of the needle safely, and documents the administration and patient response. Inserting into muscle tissue describes IM administration, and aspiration for blood return is described in the IM procedure, not the SQ procedure in this section.

  5. A nurse has inserted an IV catheter and is preparing to administer an IV medication. Which action should the nurse take to ensure the line is open and correctly placed before giving the medication?

    1. Pinch the skin at the selected site to create a skinfold.
    2. Flush the catheter with a saline solution.
    3. Apply gentle pressure to the inner corner of the eye.
    4. Ask the patient to remain side-lying for two to three minutes.

    Answer: Flush the catheter with a saline solution.

    For IV medication administration, flushing the catheter with saline ensures patency and confirms proper placement. The other actions apply to ear, eye, or subcutaneous medication administration and do not assess an IV line.

  6. A patient is prescribed both ophthalmic eye drops and eye ointment. Which nursing actions are appropriate? Select all that apply.

    1. Verify the patient’s identity and confirm the correct medication, dosage, and eye before administration.
    2. Instill eye drops into the conjunctival sac.
    3. Apply a thin ribbon of ointment along the inside of the lower eyelid from the inner to the outer corner.
    4. Avoid touching the bottle tip or touching the bottle to the eye or eyelid.
    5. Apply the eye ointment before the eye drops to improve absorption of the drops.

    Answer: Verify the patient’s identity and confirm the correct medication, dosage, and eye before administration., Instill eye drops into the conjunctival sac., Apply a thin ribbon of ointment along the inside of the lower eyelid from the inner to the outer corner., Avoid touching the bottle tip or touching the bottle to the eye or eyelid.

    The nurse should verify the patient and correct eye, place drops in the conjunctival sac, avoid contaminating the bottle tip, and apply ointment along the inside of the lower eyelid. Eye drops should be given before ointment because ointment may affect absorption of the drops.

Where every quote comes from

Section 11.3 The Medication Administration Process of Fundamentals of Nursing by Christy Bowen, Lindsay Draper, Heather Moore, OpenStax, 2024. Read the whole section free at openstax.org.

The textbook is licensed under CC BY-NC-SA 4.0. This page quotes it word for word and adds the headings, the order and the practice questions; references to the book's figures and stray spaces left by its formatting are removed. The page is shared under the same licence. Nothing here is sold.