Airway

Question 1

Upper airway parts

Answer 1

Nasal cavity and oral cavity.

Question 2

Lower airway parts.

Answer 2

Trachea, bronchi/bronchioles, and lungs.

Question 3

What are acidic, neutral, and alkaline ranges?

Answer 3

Normal: 7.35-7.45
Acidic: below 7
Alkaline: above 7.45

Question 4

What are the typical respiratory rates for adults, children, and infants?

Answer 4

Adults: 12-20
Children: 15-30
Infants: 25-50

Question 5

What happens to respiration rate when CO2 blood levels increase?

Answer 5

It increases

Question 6

How should you position a conscious casualty?

Answer 6

In whatever position is easiest for them to breath in.

Question 7

What are some complications of suctioning?

Answer 7

Suctioning for prolonged periods produced hypoxemia, which could lead to dysthymia. Vagal nerve stimulation could also cause bradycardia and hypotension.

Question 8

What’s the longest you should suction for?

Answer 8

15 seconds

Question 9

What are some indications for an NPA?

Answer 9

Unconscious with spontaneous respirations and no respitory distress, unconscious without airway obstruction, altered with intact gag reflex, unconscious with apnea.

Question 10

What are contraindications for an NPA?

Answer 10

Basilar skull fracture, maxillofacial trauma, exposed brain matter, CSF from nose, mouth or ears.

Question 11

What are indications for an IGEL?

Answer 11

Unconscious trauma casualty without gag reflex, unconscious casualty without airway obstruction, adult casualties in respiratory distress/respiratory rate under 8, adult casualties in cardiac arrest, near drowning, electrocution, drug overdose.

Question 12

What are some contra indications for IGEL?

Answer 12

Intact gag reflex, esophageal disease, casualties who Ingested a caustic substance, inhalation burns, sore throat, dysphagia, upper airway hematoma, esophageal rupture, vomiting.

Question 13

What are some indications for king LT?

Answer 13

Unconscious trauma casualty without gag reflex, adult casualties in respiratory distress/respiratory rate under 8, adult casualties in cardiac arrest, near drowning, electrocution, drug overdose.

Question 14

What are some contraindications for king LT?

Answer 14

Intact gag reflex, under 4 feet, esophageal disease, casualties who inhaled caustic substance, inhalation burns.

Question 15

What is the preferred advanced airway in a combat environment?

Answer 15

Surgical cric

Question 16

What percentage of casualties COULD have benefited from a surgical cric?

Answer 16

8%

Question 17

What size emergency airway tubes allow for spontaneous breathing?

Answer 17

6mm

Question 18

What are some indications for a surgical cric?

Answer 18

Severe facial trauma, airway obstruction, structural deformities, inhalation burns, unconscious casualties unable to maintain airway.

Question 19

Where is the cricothyroid membrane located?

Answer 19

Between the thyroid and cricoid cartilage.