No Brainer
What is the most common eye complication in the periop period?
Corneal abrasion
Where does the artery of Adamkieweicz typically enter the spinal cord?
Between T11 & T12
Which type of Ehlers-Danlos syndrome is associated with blood vessel rupture?
Type IV
Dantrolene dose for MH
2.5 mg/kg IV q 5-10 min
What glial cell is the most abundant type?
Astrocytes
What pathway is assessed with the Babinski test?
The corticospinal tract
Name 2 ways rheumatoid arthritis can affect the airway
Limited mouth opening r/t TMJ
Decreased diameter of glottic opening d/t cricoarytenoid joints
Limited cervical ROM
Alantoaxial subluxation
What are the 2 most common side effects of dantrolene?
muscle weakness & venous irritation
What is the normal volume & specific gravity of CSF?
150 mL & 1.002 -1.009
Which cranial nerve is the only one surrounded by the dura?
Optic nerve (CN 2)
Name the 4 main manifestations of neurogenic shock
Bradycardia
Hypotension
Hypothermia
Pink, warm extremities
Acetazolamide
What is the definitive test for MH diangosis?
Halothane contracture test
When are cerebral vasospasms most likely to occur?
4-9 days following SAH
What are the 5 determinants of cerebral blood flow?
1. Cerebral metabolic rate for O2 (CMRO2)
2. Cerebral perfusion pressure
3. Venous pressure
4. PaCO2
5.PaO2
Upper motor neuron injury normally presents with ______ & _______
Hyperreflexia & spastic paralysis
How to determine the difference between cholinergic crisis & myasthenic crisis?
"Tensilon test" administer 1-2 mg IV edrophonium
weakness increases = cholinergic crisis
Weakness resolves = myasthenic crisis
What is a late complication of MH that signals impending demise?
DIC
What Cobb angle correlates with the presence of pulmonary symptoms?
70 degrees curvature of the spine
Name 3 conditions that reduce cerebral perfusion pressure as a result of impaired venous drainage
Vena Cava Syndrome
Vana Cava Thrombosis
Increased intrathoracic pressure r/t PEEP or coughing
Jugular compression
What replaces the affected motor neurons in ALS?
Astrocytic gliosis
Patients with Myasthenia Gravis are _____ to depolarizers & ______ to nondepolarizers?
Myasthenia Gravis patients are resistant to depolarizers & sensitive to nondepolarizers?
1. King-Denborough Syndrome
2. Central Core Disease
3. Multiminicore Disease
At what PaCO2 values does maximal cerebral vasoconstriction & maximal cerebral vasodilation occur?
PaCO2 25 = Max vasoconstriction occurs
PaCO2 80-100 = Max vasodilation occurs