After endotracheal (ET) intubation during witnessed cardiac arrest, which of the following are useful to confirm correct placement of ET tube.

1. Chest rise with breathing
   
2. Auscultation of abdomen and both lung fields
   
3. Chest X-ray
   
4. Waveform capnography
   
5. All of the above

What does five-point auscultation after ET intubation consist of?

1. Auscultation of epigastrium, both lung apices, and both axillary areas
   
2. Auscultation of mitral, tricuspid, pulmonary, aortic, and Erb’s areas
   
3. Epigastric area, front of both chests, backs of both chests
   
4. None of the above

In Question 34.1, which is most reliable?

1. Chest rise with breathing
   
2. Auscultation of abdomen and both lung fields
   
3. Chest X-ray
   
4. Waveform capnography
   
5. All of the above

With waveform capnography, what is the normal expected ?

1. 35–45 mmHg
   
2. 20 mmHg
   
3. <10 mmHg
   
4. 0 mmHg

With waveform capnography, what is the expected during adequate cardiopulmonary resuscitation (CPR) in a code setting?

1. 35–45 mmHg
   
2. 20 mmHg
   
3. <10 mmHg
   
4. 0 mmHg

With waveform capnography, what is the expected during CPR in a code setting with a dislodged ET tube?

1. 35–45  mHg
   
2. 20 mmHg
   
3. <10 mmHg
   
4. 0 mmHg

Which of the following statements are correct for a colorimetric exhaled CO₂ detector?

1. It is not as accurate as capnography
   
2. Purple means there is CO₂
   
3. Yellow means no oxygen
   
4. All are correct

Which of the following are contraindications for an esophageal-tracheal tube?

1. Height <4 ft
   
2. Age <16 years
   
3. Intact gag reflex
   
4. Ingestion of caustic
   
5. All of the above
   
6. None of the above

Which of the following statements regarding ventilation during cardiac arrest are correct?

1. 30 : 2 ratio with bag-mask device
   
2. 8–10 breaths per minute with advanced airway for a patient with cardiac arrest
   
3. 10–12 breaths per minute with advanced airway for a patient with pure respiratory arrest
   
4. None of the above
   
5. All of the above

For witnessed out-of-hospital cardiac arrest due to ventricular fibrillation, what is the appropriate energy level for defibrillation?

1. 120–200 J with a biphasic shock device
   
2. 360 J with a monophasic shock device
   
3. 2–4 J/kg body weight for a child
   
4. All of the above
   
5. None of the above

In a cardiac arrest situation with no access for drug delivery, what is the preferred access?

1. Peripheral intravenous (IV) device
   
2. Central line
   
3. ET tube insertion
   
4. Intraosseous (IO) access

For ET drug delivery, which of the following statements are accurate?

1. Amount of drug should be about twice as much as IV
   
2. Dilute in 5–10 cm³ of fluid
   
3. Epinephrine, vasopressin, and lidocaine can be given via ET route during cardiac arrest situation
   
4. All are correct
   
5. None are correct

Which of the following can IO access be obtained from?

1. Medial malleolus
   
2. Upper tibia
   
3. Iliac crest
   
4. Sternum
   
5. All of the above
   
6. None of the above.