What is the action of CPAP in the treatment of obstructive sleep apnea?

A patient with a recent head injury has a chief complaint of morning headaches, trouble concentrating and excessive daytime sleepiness. The patient is recommended for polysomnography to rule out:

The stage of sleep where an individual is in their deepest sleep but brain is not actively in a dream state and accounts for 25% of sleep is in what stage:

After successful CPR the patient still has a low blood pressure 87/59 mmHg. What medication can be given to increase the BP?

A pulmonary artery catheter was placed in a patient due to CABG. You notice that the pressure transducer is secured on the I.V pole lower than the midchest of the patient. What will this likely cause?

A patient with suspected sleep apnea completed a polysomnogram test. The following results are as follows:Total sleep time – 240 minutesObstructive apneas – 8 eventsCentral apneas – 0 eventsHypopneas – 70 events Based on the following information, What is the Apnea/Hypopnea Index (AHI)?

To prevent discomfort to the patient during a bronchoscopic procedure, what sedative can be used to relax the patient?

A patient known as a “ Blue bloater” would most likly have which of the following disorder?

A patient intubated for respiratory failure is currently on a pneumatic/electric ventilator. The following Settings and parameters are as follows:Mode         AC               Tot Rate              20Rate           10                Exhaled VT             650 mlVT              700 ml         PIP                      35 cm H2OFIO2           0.80What is the patient’s corrected tidal volume?

Mr. L. James was brought into the emergency department due to a blunt chest trauma. He is complaining of left sided chest pain and is short of breath with a SpO2 of 86% on room air. You start oxygen therapy of 2 LPM via nasal cannula as he receives a chest x-ray with the following results: The patient was placed on a 100% NRB  due to a 40% left sided pneumothorax.  The patient has a SpO2 of  88% breathing at a rate of 35 breaths per minute. What would you suggest at this time?