T3 - ATI Oxygen Therapy

Question 1

atelectasis

Answer 1

• airlessness or collapse of lung

- usually as a result of hypoventilation or obstruction

Question 2

bi-level positive airway pressure

Answer 2

-ventilation-assistance modality that provides higher airway pressure during inspiration and lower pressure during expiration

Question 3

bradypnea

Answer 3

abnormally slow respiratory rate

Question 4

continuous positive airway pressure (CPAP)

Answer 4

-noninvasive, ventilation assistance that provides positive airway pressure throughout the pts respiratory cycle

Question 5

cyanosis

Answer 5

-bluish discoloration, especially of the skin and mucous due to excessive concentration of deoxyhemogobin in the blood

Question 6

dyspnea

Answer 6

difficult or labored breathing

Question 7

face tent

Answer 7

soft, oxygen-delivery mask that fits under pts chin, loosely covers mouth and nose

Question 8

flow meter

Answer 8

used to control rate of oxygen being delivered i liters per minute

Question 9

flow rate

Answer 9

quantity of oxygen delivered in liters per minute

Question 10

fraction of inspired oxygen (FiO2)

Answer 10

oxygen level inhaled by or delivered to pt, expressed in percentage of atmospheric air

Question 11

hypercapnia

Answer 11

excess of carbon dioxide in blood

Question 12

hypoxemia

Answer 12

diminished amount of oxygen in arterial blood

Question 13

hypoxia

Answer 13

reduced supply of oxygen to tissues below physiological levels despite adequate perfusion of the tissue by blood

Question 14

incentive spirometer

Answer 14

resistive breathing device that helps pts exercise their breathing muscles

Question 15

nonrebreather mask

Answer 15

oxygen-delivery apparatus used to deliver high flow rates and high concentrations of oxygen via a mask that fits snugly over the pts mouth and nose

Question 16

oxygen tent

Answer 16

canopy that surround pt providing oxygen humidification and a cool environment to help control body temperature

Question 17

partial nonrebreather mask

Answer 17

oxygen-delivery apparatus similar to a nonrebreather mask, but with a two-way valve allowing the pt to rebreathe exhaled air

Question 18

positive pressure ventilation

Answer 18

technique that uses a mechanism such as mechanical ventilator to force air into the lungs to provide breathing assistance

Question 19

simple face mask

Answer 19

• O2 delivery apparatus used for pts who require a moderate flow rate for short period of time via a plastic mask that fits snugly over mouth and nose
• helps prevent rebreathing of CO2

Question 20

t-tube

Answer 20

t-shaped conduit with a piece that connects an O2 source to pts artificial airway

Question 21

tidal volume

Answer 21

amount of air normally breathed in and out with each respiratory cycle either spontaneously or delivered via mechanical ventilation

Question 22

tracheostomy collar

Answer 22

• aka tracheostomy mask
• O2 delivery apparatus that fits over a tracheostomy site and held in place by an adjustable elastic strap that fits around pts neck

Question 23

venturi mask

Answer 23

• O2 delivery apparatus consisting of mask with holes on each side that allow exhaled air to escape and color-coded entrainment ports that are adjustable to allow regulation of concentration of O2 delivered
• often used for critically ill pts

Question 24

what are common hazards of oxygen therapy?

Answer 24

• fire

- equipment malfunction

Question 25

what are the early signs of hypoxia?

Answer 25

-restlessness
-confusion
-anxiety
-elevated BP
-increased HR
-increased R
dyspnea

Question 26

what are the late signs of hypoxia?

Answer 26

• decreased level of consciousness
• decreased activity level
• hypotension
• bradycardia
• metabolic acidosis
• cyanosis

Question 27

what are the chronic signs of hypoxia?

Answer 27

• clubbing
• peripheral edema
• right sided heart failure
• respiratory acidosis
• O2 saturation <87%