(Verified)
1. You are called to the emergency department to help care for a patient who was in
a vehicle accident and has chest injuries including broken ribs.Crepitations are felt
while palpitating the patient's neck.What is most likelythe cause of this Answer:
The patient's lung has an air leak
2. A forced expiratory measurement obtained after the administration of
abronchodilator shows an increase in FEV1 from 60% to 80% of predicted.This
indicates a Answer: Reversible airway obstruction
3. During capnography monitoring of a mechanically ventilated patient, younote that
the end-tidal PCO2 (PetCO2) has dropped to 0 mm Hg. This findingmay indicate
Answer: complete airway obstruction
4. An unconscious apneic patient with a full stomach cannot be orally intu- bated
in the emergency room.Which of the following would your
,recommendbe Answer: inserting an esophageal-tracheal combitube
,5. While establishing initial ventilatory support settings for a new patient,
themost important consideration is the Answer: patients size and clinical
condition
6. A male patient has a lower than normal mixed venous O2 content. Which ofthe
following is the most likely cause of this condition Answer: Fever (hyperthermia)
7. You are trying to wean an alert intubated patient off full ventilatory supportusing
the CPAP protocol with 40% O2.Early in the initial effort her respiratoryrate
increases from 24 to 30/min and you start to observe some use of her accessory
muscles while breathing. Which of the following would be your first action at this
time Answer: apply 5-10 cm H20 pressure support
8. What is the approximate duration of flow of an oxygen E-cylinder at 1000psi
running at 4 L/min Answer: 70 minutes
9. While using aYankauer device to suction an adult patient, you are unableto
remove thick secretions. The regulator attached to the
, oropharyngeal suctioning device displays a reading of -70 mm Hg. Which of the
following actions should you take at this time Answer: increase the suction pressure to
-120 mmHg
10. While setting up a 12-lead EKG on a patient, you are unable obtain any
electrical signal. The batteries are fully charged and the device was able to power-
on.The most likely cause of this problem is which of the following Answer: amissing
lead
11. Which of the following imaging procedures is used to evaluate the arter-ies for
abnormalities such as aneurysm, atherosclerosis, embolism, occlu-sion, stenosis,
thrombosis, trauma, or vasculitis Answer: angiography