Injection into this potential space can cause a high spinal after epidural catheter dosing?
Subdural Space
This cranial nerve provides complete innervation of the larynx (both sensory and motor)
Vagus (X)
Citrate intoxication resulting from a massive transfusion is associated with what electrolyte abnormality?
Hypocalcemia
What abnormal uterine implantation can partially or completely cover the cervical os?
Placenta Previa
Fetal hemoglobin possesses an oxygen dissociation curve that is shifted in what direction?
Left
What three ligaments are passed when inserting a spinal needle via the midline approach?
How many cartilages make up the larynx?
9 (3 paired, 3 unpaired)
What four clotting factors and two major anticoagulation factors are vitamin K dependent on their synthesis?
II, VII, IX, & X; protein C & S
What is the classic triad associated with preeclampsia?
HTN (after 20 weeks), proteinuria, and edema
In normal patients, how much does the administration of succinylcholine transiently raise blood potassium levels?
0.5 mEq/L
15 mcg
Application of external pressure to the "laryngospasm notch" is known as what maneuver?
Larson's Maneuver
What laboratory test measures the speed of the clotting by means of the extrinsic pathway?
Prothrombin Time (PT)
Blockade of what posterior nerve roots will effectively treat first-stage labor pain?
T10 - L1
When utilizing a pulse oximeter, oxyhemoglobin preferentially absorbs what wavelength of light?
940 nm (660 for deoxy)
The site of action of neuraxial opioids lies within this structure of the dorsal horn?
Substantia Gelatinosa
This nerve and its associated branch are responsible for the afferent limb of the laryngospasm reflex?
Superior Laryngeal Nerve, internal branch
Depletion of what substance in stored PRBCs causes a shift of the oxyhemoglobin curve to the left?
2,3 DPG
MAC is reduced by what percent in the parturient?
30 - 40%
Edinger Westphal
This type of nerve fiber transmits fast pain & temperature?
A delta
What external landmark approximates the location of the carina?
Angle of Louis
What type of Von Willebrand disease is associated with qualitative deficiency of vWF?
Type 2
What two nuclei in the hypothalamus are sites for oxytocin creation?
Supraoptic and paraventricular nuclei
According to Leventhal et al., what are the four classic predictors for anticipated post-operative ventilation in patients with myasthenia gravis?
(1) duration of myasthenia gravis greater than or equal to 6 years, (2) chronic respiratory disease, (3) dose of pyridostigmine greater than or equal to 750 mg per day, and (4) vital capacity less than or equal to 2.9 litres