Chapter 9

Question 1

adjunct

Answer 1

a medical device that is used to assist the OEC Technician in providing patient care.

Question 2

airway

Answer 2

a natural passageway that allows air to enter and exit the lungs.

Question 3

bag-valve mask (BVM)

Answer 3

a manually operated resuscitator consisting of three components: a bag reservoir, a one-way flow valve, and a face mask; used to assist patient ventilations.

Question 4

epiglottis

Answer 4

a thin, leaf-shaped structure posterior to the tongue; covers the larynx when swallowing, preventing food or liquid from entering the airway.

Question 5

exhalation

Answer 5

the act of expelling breath or air out of the lungs.

Question 6

gastric distention

Answer 6

inflation of the stomach with air; can lead to vomiting.

Question 7

head-tilt, chin-lift maneuver

Answer 7

a method to open a patient’s airway; a process that involves tilting the patient’s head backward while simultaneously lifting the patient’s chin.

Question 8

inhalation

Answer 8

act of drawing breath or air into the lungs.

Question 9

jaw-thrust maneuver

Answer 9

a method used to open a patient’s airway by displacing the jaw forward; commonly used whenever spine injury is suspected because it helps to maintain cervical spine alignment.

Question 10

nasal cannula (NC)

Answer 10

an airway adjunct that consists of plastic tubing with two open prongs that are inserted into the patient’s nostrils; provides low-flow oxygen when connected to an oxygen source.

Question 11

nasopharyngeal airway (NPA)

Answer 11

a trumpet-shaped airway adjunct made from soft rubber or silicone that is inserted into the nostril to maintain a patent airway.

Question 12

nonrebreather mask (NRB)

Answer 12

an oxygen delivery device that has a mask, a one-way flow valve, and a reservoir bag; when connected to an oxygen tank, provides a high concentration of supplemental oxygen.

Question 13

oropharyngeal airway (OPA)

Answer 13

a rigid plastic airway adjunct that is inserted into the oropharynx to maintain a patent airway.

Question 14

pharynx

Answer 14

the passageway that extends from the nose and mouth to the larynx; consists of three parts: nasopharynx, oropharynx, and laryngopharynx.

Question 15

pocket mask

Answer 15

a barrier device; a folding mask with an oxygen inlet valve that is used for artificial ventilation; may be used with or without supplemental oxygen.

Question 16

pulse oximeter

Answer 16

a device that attaches to a patient’s finger, toe, or earlobe and photoelectrically measures blood oxygen content as percent of oxygen saturation.

Question 17

suctioning

Answer 17

a procedure that uses negative pressure to remove an object or a fluid.

Question 18

What is flow rate and oxygen percentage in Nasal Cannulla

Answer 18

Flow rare is 1-6 LPM, typical 2-4,

Percentage is 24%-44%, 4% increments, Typical is 28%-36%

Question 19

What is flow rate and Oxygen percentage for Nonrebreather mask

Answer 19

Flow rate is 10-15 LPM

Oxygen is 80% -90%, 2% increments