CRNA boards review.pdf

CRNA boards review

anterior tongue innervation -

trigeminal



posterior tongue innervation -

glossopharyngeal



soft palate innervation -

glossopharyngeal



oropharynx innervation -

glossopharyngeal



vallecula innervation -

glossopharyngeal



anterior epiglottis innervation -

glossopharyngeal



posterior epiglottis innervation -

SLN (internal)



vocal cord innervation -

SLN (internal), and recurrent laryngeal nerve



trachea -

recurrent laryngeal nerve

, how do you perform superior laryngeal nerve block -

inject 3 ml at inferior aspect of greater cornu of hyoid bone bilaterally



how do you perform glossopharyngeal block -

inject 1-2 mL at tonsillar pillars LA bilaterally



how do you perform transtracheal block -

3-5 mL through cricothyroid memebrane



pneumonic to memorize Mallapati score -

PUSH (pillars, uvula, soft palate, hard palate)

*Mallapati 1 has PUSH --> Mallapati 4 has H*



Function of each dilator muscle below:

Tensor palatine

Genioglossus

Hyoid muscles -

Tensor palatine: Opens nasopharynx

Genioglossus: Opens oropharynx

Hyoid muscles: Opens hypopharynx



*impaired during anesthesia and can contribute to OSA*



How much cricoid pressure in newtons do you apply for RSI in awake, and anesthetized patient -

Awake: 2 kg or 20 newtons

Anesthetized: 4 kg 40 newtons



Law of laplace formula -