Colleen, a 19 year old Freshman, was drinking alcohol at a frat party. She stupors, falls and hits her head on the ground. Her friend Julie dials "911" because Colleen is now unconscious, depressed ventilation (shallow and slow respirations), rapid heart rate, and is profusely bleeding from both ears. Which primary acid-base imbalance is Colleen at risk for if medical attention is not provided?

A low-pressure ventilator alarm indicates a potential issue with the delivery of adequate air or pressure from the ventilator. The pulse oximetry reading of 85% suggests that the client is not receiving sufficient oxygenation.

Providing ventilation with a bag-valve-mask device allows the nurse to manually assist the client's breathing and ensure proper oxygenation and ventilation while troubleshooting the ventilator alarm. By manually ventilating the client, the nurse can help maintain oxygenation and prevent further hypoxemia until the underlying cause of the alarm can be identified and resolved.

Suctioning the client's endotracheal tube, adding air to the pilot balloon, or placing a bit block in the client's mouth may be appropriate interventions in specific situations, but they are not the immediate priority in this case. The primary concern is to address the low oxygen saturation and ensure adequate ventilation.

Rhinoplasty is a surgical procedure performed on the nose, and it often involves the placement of nasal packing to control bleeding, support the nasal structures, and promote healing. Nasal packing can cause mouth breathing and oral dryness, which can lead to increased swallowing as the patient tries to alleviate the discomfort.

While bleeding posterior to the nasal packing is a potential complication of rhinoplasty, it typically presents with other symptoms such as active bleeding, nasal discharge, or changes in vital signs. Without additional information or signs of active bleeding, it is less likely to be the cause of the patient's frequent swallowing in this scenario.

An adverse reaction to the analgesic is possible, but it would typically present with other symptoms such as allergic reactions (rash, swelling, difficulty breathing) or gastrointestinal symptoms (nausea, vomiting). In the absence of these symptoms, an adverse reaction to the analgesic is less likely.

Lastly, a normal response to the analgesic and surgery would not typically manifest as frequent swallowing. While pain medication can cause side effects, such as drowsiness or nausea, increased swallowing is not a common response.