Question 6 of 221
When the diaphragm relaxes it regains it's domed shape causing an increase in thoracic pressure forcing air out of the lungs. To have air forced out of the lungs the pressure in the thorax must rise above _______________ pressure?
    Correct Answer: B

Question 7 of 221
Which of the following ventilatory techniques is likely to yield the LOWEST tidal volumes?
    Correct Answer: A

Question 8 of 221
In order to assist intubation, a paramedic may utilize Sellick's maneuver. What cartilage are you compressing?
    Correct Answer: A

Question 9 of 221
You are transporting an elderly male patient in respiratory distress with a history of COPD...
The patient has very shallow, rapid respirations with minimal chest wall motion and slight wheezing in the upper lung fields. Given this situation, what would you expect the arterial carbon dioxide levels to be?
    Correct Answer: C

Question 10 of 221
You are transporting a 48-year-old male patient between medical facilities...
During the history, you learn that the patient was involved in a fall at work and suffered a hip fracture and a head injury. The patient is now presenting with labored breathing at 30/min that has progressively worsened over the last 24 hours, a heart rate of 104, and a blood pressure of 98/70. On auscultation, you hear diffuse rales. The patient denies any complaints of pain other than those related to his recent fall. What is the most likely cause of the patient's respiratory distress?
    Correct Answer: D