Eye surgery practice questions
36 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which artery is the main blood supply to the eye?

  • Ophthalmic artery (correct)
  • Posterior ciliary arteries
  • Internal carotid artery
  • Central retinal artery

    • What determines the intraocular pressure (IOP)?

  • Choroidal blood volume
  • Aqueous fluid volume
  • Extraocular muscle tone
  • All of the above (correct)

    • Which cranial nerve is not a true cranial nerve but an outgrowth of the brain?

  • Optic nerve (correct)
  • Facial nerve
  • Trigeminal nerve
  • Olfactory nerve

    • Which nerve provides motor function to the intrinsic muscles of the larynx and the heart?

    <p>Vagus nerve</p> Signup and view all the answers

    What is the most frequently performed intraocular surgical procedure?

    <p>Cataract surgery</p> Signup and view all the answers

    Which nerve is the efferent pathway for the oculocardiac reflex?

    <p>Vagus nerve</p> Signup and view all the answers

    What is the preferred anesthesia method for eye surgery?

    <p>Ocular regional anesthesia</p> Signup and view all the answers

    Which of the following is the most important determinant of intraocular pressure (IOP)?

    <p>Balance between production and elimination of aqueous humor</p> Signup and view all the answers

    Which drug reduces aqueous humor production?

    <p>Acetazolamide</p> Signup and view all the answers

    What is the most common injury occurring after general anesthesia?

    <p>Corneal abrasion</p> Signup and view all the answers

    Which surgical technique has increased the popularity of topical anesthesia for ophthalmic procedures?

    <p>Cataract surgery</p> Signup and view all the answers

    Which of the following is true about the evaluation of an ophthalmic block?

    <p>Residual movement should be assessed to determine if additional anesthesia is required</p> Signup and view all the answers

    Which anesthesia is recommended for ophthalmic procedures in adults, especially the elderly?

    <p>Regional anesthesia</p> Signup and view all the answers

    What should be considered to decrease back strain during ophthalmic procedures?

    <p>Pillows under knees</p> Signup and view all the answers

    What should be done to decrease the incidence of postoperative nausea during general anesthesia for ophthalmic procedures?

    <p>Use a multimodal approach</p> Signup and view all the answers

    Which cranial nerve provides motor function to the intrinsic muscles of the larynx and the heart?

    <p>Cranial nerve X</p> Signup and view all the answers

    What determines the intraocular pressure (IOP)?

    <p>All of the above</p> Signup and view all the answers

    Which artery is the main blood supply to the eye?

    <p>Ophthalmic artery</p> Signup and view all the answers

    Which nerve provides motor function to the intrinsic muscles of the larynx and the heart?

    <p>Vagus nerve</p> Signup and view all the answers

    What is the most frequently performed intraocular surgical procedure?

    <p>Cataract surgery</p> Signup and view all the answers

    What is the preferred anesthesia method for eye surgery?

    <p>Local anesthesia</p> Signup and view all the answers

    What is the ocular regional needle block commonly used for?

    <p>Providing analgesia and akinesia of the eye and eyelids</p> Signup and view all the answers

    Which of the following is true about the evaluation of an ophthalmic block?

    <p>Residual movement indicates the effectiveness of the block</p> Signup and view all the answers

    Which of the following is recommended for induction of general anesthesia for ophthalmic procedures?

    <p>Inhalation induction</p> Signup and view all the answers

    What is the potential risk associated with general anesthesia for ophthalmic procedures?

    <p>Malignant hyperthermia</p> Signup and view all the answers

    What should be done to decrease back strain during ophthalmic procedures?

    <p>Use pillows under the knees</p> Signup and view all the answers

    Which of the following drugs can reduce intraocular pressure (IOP) by facilitating aqueous humor drainage?

    <p>Echothiophate</p> Signup and view all the answers

    What is the most common injury occurring after general anesthesia for eye surgery?

    <p>Corneal abrasion</p> Signup and view all the answers

    What is the main purpose of strabismus surgery?

    <p>To correct misalignment of extraocular muscles</p> Signup and view all the answers

    Which gas can expand an ocular gas bubble placed during retinal reattachment surgery and potentially cause permanent blindness?

    <p>Nitrous oxide (N2O)</p> Signup and view all the answers

    Which nerve is responsible for the afferent pathway of the oculocardiac reflex?

    <p>Trigeminal nerve</p> Signup and view all the answers

    What is the efferent pathway for the oculocardiac reflex?

    <p>Vagus nerve</p> Signup and view all the answers

    Which of the following is a possible cardiac dysrhythmia caused by the oculocardiac reflex?

    <p>Atrioventricular block</p> Signup and view all the answers

    Which of the following is an example of a stimulus that can trigger the oculocardiac reflex?

    <p>Pressure on the globe</p> Signup and view all the answers

    Which nerve is part of the afferent pathway for the oculocardiac reflex?

    <p>Trigeminal nerve</p> Signup and view all the answers

    What is the most common cardiac dysrhythmia caused by the oculocardiac reflex?

    <p>Sinus bradycardia</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser