A client required endotracheal intubation with sedation due to being in status epilepticus.
An electroencephalogram (EEG) monitor is prescribed by the physician.
The client's family member asks, "if he's resting now, why does he need that monitor too?" The nurse instructs the family member that the EEG:

Helps determine if there has been bleeding to brain tissue.

Checks for adequate oxygen intake by cerebral tissue.

Will assess brain waves to see if seizure activity is still occurring.

Answer and Explanation

The Correct Answer is C

Choice A rationale

While bleeding could indicate trauma, EEG does not detect blood presence or volume but instead evaluates electrical brain activity indicative of neuronal function.

Choice B rationale

Cerebral oxygen intake assessment requires pulse oximetry or arterial blood gas analysis rather than EEG, which monitors electrical signals, not oxygenation status.

Choice C rationale

EEG identifies abnormal brain wave patterns suggesting ongoing seizure activity, even in sedated patients, aiding in targeted interventions and preventing potential complications.

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Correct Answer is C

Explanation

Choice A rationale

Deep breathing doesn't significantly affect intraocular pressure. Techniques enhancing oxygen exchange are safe and recommended for general well-being during postoperative recovery periods.

Choice B rationale

Ambulation promotes circulation and is generally safe after surgery. Avoiding ambulation is unnecessary for maintaining intraocular pressure levels unless medically contraindicated.

Choice C rationale

Coughing increases intraocular pressure due to abrupt pressure changes within the chest cavity and ocular system. This should be avoided to prevent complications after cataract surgery.

Choice D rationale

Lying supine does not inherently increase intraocular pressure unless other factors like improper postoperative positioning are involved. Proper positioning is important but lying supine itself isn't contraindicated.

A. Nerves that control lung function have been injured. B. Patient is unable to breathe because he is unconscious. C. Accident injured the patient’s lungs. D. Patient has a history of smoking.

Correct Answer is A

Explanation

Choice A rationale

Cervical spinal cord injuries at or above C3 disrupt the phrenic nerve, impairing diaphragm control, leading to respiratory failure. Mechanical ventilation compensates for the loss of neural signals required for effective breathing.

Choice B rationale

Unconsciousness alone does not necessitate ventilation unless breathing is compromised. Here, respiratory failure stems from cervical nerve injury, not loss of consciousness, requiring mechanical support.

Choice C rationale

The lungs themselves are not damaged in cervical spinal cord injuries; the issue lies in disrupted nerve signals needed for diaphragm and respiratory muscle function, necessitating ventilatory assistance.

Choice D rationale

Smoking history does not explain the acute respiratory failure caused by cervical spinal cord injuries. The need for ventilation directly results from damage to the neural control of respiratory muscles.

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Naxlex Comprehensive Predictor Exams

To decrease intraocular pressure following cataract surgery, the nurse should instruct the client to avoid:

Correct Answer is C

Explanation

A patient presents to the emergency department with a cervical spinal cord injury immediately after a motor vehicle accident.What should the nurse explain to the family as the reason for the patient being placed on mechanical ventilation? The:

Correct Answer is A

Explanation

A 64-year-old client is prescribed bifocals to correct myopia and presbyopia.To evaluate the effectiveness of the lenses, the nurse will assess the client for:

A nurse is caring for a client who has heart failure and a prescription for digoxin 225 mcg PO daily. Available is digoxin PO 0.50 mg/tablet. How many tablets should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

The nurse is educating on the placement of a ventriculostomy (intraventricular catheter) to the family of a patient diagnosed with a brain injury.The nurse states, "The ventriculostomy is placed:

A client's daughter asks the nurse for assistance in communicating with her mother who has sensorineural hearing loss.Which point is appropriate for the nurse to teach?

The nurse is caring for a patient diagnosed with a brain injury to the cerebellum.Which nursing intervention is priority?

A client is to receive 250 mL of IV fluid over 90 minutes by gravity. The drop factor on the IV tubing is 20 gtts/mL. How many gtts/min should be administered?

A client presents to the emergency department actively having seizure activity.The paramedics report the client has a history of epilepsy but her family doesn't know the names of her current medications.The priority for this patient is:

The nurse observes increased eye blinking and lip smacking in a client who has a history of absence seizures.The nurse is aware these symptoms indicate: