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Medical Tests CEN Exam Questions
Certified Emergency Nurse (Page 3 )

Updated On: 15-Feb-2026
Page 3 of 40
PDF with 195 Questions

You are caring for a patient who has come into the emergency department with a foreign body in his right ear. After further investigation you determine that the foreign object is an insect. What intervention would the physician order first for this client?

  1. Sterile normal saline irrigation
  2. Diluted alcohol irrigation
  3. Antibiotic ear drops
  4. Corticosteroids ointment

Answer(s): B

Explanation:

The nurse would know that the physician will order diluted alcohol irrigation of the affected ear. This will suffocate the insect so it can be removed from the ear with forceps. If the foreign object were vegetable matter, irrigation would not be performed due to the enlargement of the object when it is hydrated, which would make the impaction worse.



When caring for a patient what sign would indicate that he might have a basal skull fracture?

  1. The auditory canal has purulent drainage.
  2. The auditory canal has bloody or clear drainage.
  3. Epistaxis
  4. Periorbital edema

Answer(s): B

Explanation:

A basal skull fracture would be indicated by bloody or clear drainage from the auditory canal. This indicates a cerebrospinal fluid leak from the fracture. This is a medical emergency and needs to be addressed by the physician immediately.



You are caring for a patient who complains of tinnitus. What part of the ear do you suspect is the most likely cause of the patient's complaint?

  1. External ear
  2. Middle ear
  3. Inner ear
  4. Auricle

Answer(s): C

Explanation:

Tinnitus is the most common complaint of patients with disorders of the inner ear. Tinnitus is a ringing in the ear that can be loud intolerable ringing or mild ringing that can be unnoticed during the day.



You are caring for a patient who has had a right eye cataract removal. What discharge instruction would you want to include in the plan of care?

  1. Do not sleep on right side.
  2. Do not sleep on left side.
  3. Do not sleep with head elevated.
  4. Do wear glasses until physician says it is okay.

Answer(s): A

Explanation:

The patient should not sleep on the right side following surgery. The patient should be placed in a semi-Fowler position to minimize edema and intraocular pressure. The patient should wear glasses and a protective shield over the affected eye.



You have delegated the care of an older patient with hearing loss to a nursing assistant. You tell the nursing assistant that patients with this diagnosis:

  1. Are often distracted.
  2. Respond better to low pitched sounds.
  3. Have middle ear changes.
  4. Develop moist cerumen production.

Answer(s): B

Explanation:

Older patients with hearing loss respond better to low pitch sounds. Age-related changes of the inner ear are called presbycusis. As a result of these changes the patient often loses the ability to hear high-pitched sounds.






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