Anatomy & Physiology
Ventilation
Respiration
Airway Evaluation
Intubation
100
Which bronchi is more likely to be obstructed/intubated?
Right
100
As the volume of a chamber increases, the pressure will
Decrease
100
Hypoxemia is...
Decreased oxygen content of the arterial blood
100
Ideal patent position to evaluate Mallampati Scale
Seated upright
100
What is the average size ET tube for an adult male?
7.5-8.0mm
200
Where would you cut for a surgical airway?
Cricothryroid membrane
200
Where would I find anatomical dead space?
Upper respiratory tract, trachea, mainstem bronchi, terminal bronchi
200
What range of PO2 do we find hemaglobin nearing full saturation (100% SPO2)?
80-100 mmHg
200
The N in LEMON airway evaluation stands for
Neck Mobility
200
How I would know the bougie is in the trachea
Feel the tracheal rings
300
Where does the phrenic nerve leave the spinal column?
Between C3 & C5
300
What would decrease a V/Q ratio (decreased ventilation vs perfusion)?
COPD, Asthma
300
How is most of the CO2 in the blood is transported?
Bicarbonate
300
What are three things you can evaluate externally for the airway?
Length of neck / obesity / teeth status / facial trauma / overbite or underbite
300
Where does the tip of the Miller blade go?
Under the epiglottis
400
The only complete cartilage ring in the larynx is
The cricoid cartilage
400
Which nerve controls the movement of the diaphragm?
Phrenic
400
What is the most important factor in determining how much oxygen will bind with hemaglobin?
PO2 (partial pressure of oxygen=amount of oxygen gas dissolved in blood)
400
Mallampati Score?
Class III
400
What 3 axes are we trying to align with positioning for intubation?
Oral, Pharyngeal, and Laryngeal
500
Prominent bumps under the glottic opening
Arytenoids (Corniculate & Cuneiform)
500
Where does the pressure decrease occur when the diahphram and intercostal muscles contract?
Plural Space (Intrathoracic pressure)
500
Hemaglobin's affinity for oxygen decreases when the tissues are.....
Acidodic, hyperthermic, have increased CO2
500
How many finger widths should it be between the base of the mandible and the thyroid cartilage?
2
500
How do you measure the length of the NG tube?
Measure from nose to ear, then down to xiphoid process