Airway Flashcards
Which airway adjunct should be inserted first when delivering ventilation by bag-valve-mask?
OPA
Approx. how much mL of air is delivered does a bag-mask device deliver?
600 mL
What term relates to the process of loading oxygen molecules onto hemoglobin molecules in the blood stream?
Oxygenation
Combitube cannot be used in a patient with severe facial trauma T/F?
False
Exhalation is what type of process causing what type of pressure?
Passive/positive
COPD Patients respiratory drive depends on what?
Oxygen
Before ventilating with a BVM what should be placed?
OPA or NPA
What is the name of the nerve that helps innervate the diaphragm?
Phrenic Nerve
Suggested flow rate for admin of albuterol neb set?
6-8 liters per minute
A lower airway obstruction occurs where?
Bronchioles
A patient with renal failure and cyclic vomiting may have what condition?
Metabolic Alkalosis
What lung sounds would you hear with pulmonary edema?
Crackles
Prolonged suction may ause what?
Aspiration and hypoxemia
What chemical is produced in the body to keep atelectasis or the collapse of alveoli
Surfactant
What is the MOST serious complication with suctioning?
Hypoxia
What is the normal ETCO2 (the level of CO2 that is released at the end of an exhaled breath) range of an adult?
35-45 mmHg
During respiration, as blood from the right side of the heart circulates past the lungs, it drops off _____ and picks up _____?
CO2 and oxygen
What is hypoxemia?
Low levels of oxygen in blood
What is hypoxia?
Low levels of oxygen in tissue
What measurement is used for CPAP and BIPAP?
cm/H2o
At what point does brain damage occur with oxygen deprivation?
6-10 mins
The use of albuterol is responsible for bronchodilation, easing the effort of breathing in a patient with asthma. How is this accomplished?
By activating beta-2 receptors
What is the average tidal volume of an adult?
500ml
What type of respiration pattern is described as sequences of deep gasps, apnea then more gasps?
Biot’s Respirations
Anytime gurgling respirations are heard what must immediately be done to prevent aspiration?
Suctioning
What type of respirations might be heard in a patient with DKA?
Kussmaul (rapid and deep)
How is dyspnea described?
Difficulty breathing
What structure of the brain is in charge of controlling ventilation?
Medulla
When intrathoracic pressure drops below atmospheric pressure, what happens to the lungs?
They inflate
What is the proper way of delivering ventilations to an adult patient?
Deliver each breath over 1 second at a rate of 10-12 breaths per minute
When placing a secondary airway device, which of the following should be done just prior to placing the tube?
Tongue-jaw lift
What concentration of oxygen is delivered with a BVM?
21%
What is another name for a personal inhaler (albuterol inhaler)
MDI (metered dose inhaler)
Air and food passes through which portion of the upper airway?
Pharynx
Average tidal volume of an adult?
500ml
What two layers of tissue protect the lungs and play a vital role in the expansion and contraction of the lungs?
Parietal Pleura and Visceral Pleura
What is the most common cause of acute bronchitis?
A viral infection
Does the diaphragm move upward or downward on inhalation?
Downward
What is the oxygen concentration for a nasal canula set between 1-6 liters a min?
24-44%
What joins the pharynx and the trachea?
Larynx
You should initiate O2 therapy if SPO2 falls below what?
94%
The alveolocapillary membrane is how many cell layers thick?
1
Pediatric assessment triangle
Circulation, appearance, working of breathing
What does chest pain, congestion, crackles, rales indicate?
Left ventricular failure
