A 19-year-old male patient is emergently intubated following blunt trauma to the right chest. Computed tomography of the chest identifies pulmonary contusions and atelectasis throughout the right chest. Which outcome is most likely with a PEEP setting of 20cmH2O?

You obtain an arterial blood gas analysis and do not ice the sample because you plan to analyze it immediately. However, you are called emergently to another patient’s room and leave the sample on the bed. 40 minutes later, you return to retrieve the sample. If you were to analyze the sample, how would PaCO2 be affected?

15 minutes after weaning INO on a mechanically ventilated patient from 15 ppm to 10 ppm, you note that pulmonary artery pressure has changed from 30/19 to 45/21 mmHg. What action is indicated at this time?

Which lab value is an indicator of renal function?

Directions: Choose the best answer. What is the function of the tonsils?

Directions: Choose the best answer. What is the term for a substance produced by the body that inactivates or destroys an invading antigen?

Directions: Choose the best answer. What is the function of lymph nodes?

Directions: Choose the best answer. All of the following are characteristics of lymphatic organs except

Directions: Choose the best answer. All of the following are functions of the spleen except

Directions: Choose the best answer. What are the primary cells involved in immunity?