Questions with Accurate
Answers
***Oxygen Therapy Delivery System correct answer **Know each
delivery system and % of O2 delivered to patient**
Nasal Cannula
- 1-6L/min
-24-44% O2
Simple Mask
- 5-10 L
-40-60% O2
Partial Rebreather
- min 10L/min
-40-70% O2
Nonrebreather
- >15L/min
- 60-80% O2
,Face Tent
- >8L/min
- up to 70% O2
Venturi Mask
-100% O2 blended with RA
-dont cover holes with condensation
-allows for specific FiO2 with turn of dial
*-good for COPD patients (Keep at around 90% spO2, and no more than
30% O2 = 2L NC)
***Spinal Sequence*** correct answer NEED TO KNOW!!
Order of Loss:
1st thing to go:
Autonomic/sympathetic (vasoconstiction/vasomotor/bladder control)
sense of temperature
pain
touch
movement
proprioception (knowing where body is without having to look)
,Order of Return:
Exact opposite of above
*this is why changing position after patient had epidural or spinal can
lead to hemodynamic instability*
**Brachial Plexus: Interscalene correct answer used for shoulder
surgeries, pain control, comes a little to chest muscle
Complications:
**Horners Syndrome:
-Miosis: constricted pupil
-Pitosis: droopy eyelid
-Anhydrosis: less sweaty on that side
Phrenic Nerve paresis common
-expected* if block was done right
-paralyzed diaphragm on that side; patient can still breathe
-patient reports that they are having a hard time breathing.
**Clotting Cascade correct answer pg 85 in review book
, Extrinsic Pathway (measured by PT)
- outside body (ex scalpel to skin)
Factor 7
Common pathway- Factors 10, 5 , 2 , 1 (think "bills in wallet <$20")
Intrinsic Pathway (PTT)
-inside patient body system
Factor 8, 9, 11, 12
Common pathway
Factor 4 = Ca (low Ca = inappropriate clotting)
Prothrombin Factor 2
Von Willenbrand (Hemophilia) = Factor 8
**Congenital Heart Defects:
Tetralogy of Fallot (Cont.) correct answer TET Spell - activity intolerance
-heart cannot meet O2 demand r/t crying, feeding, playing
Knee to Chest Position to increase vascular resistance by shunting
blood away from Aorta into Pulm artery
Surgery 6-12 mo