Sun28November0440PM 4

When performing brain stem death testing, which of the following is a correct pairing of the test stated with the relevant nerves?

(Please select 1 option)

CN X - gag response to posterior pharyngeal wall contact

CN V, VI - corneal reflex

CN V, VI - response to supraorbital pressure

CN X - cough response to tracheal suctioning This is the correct answer

CN I, II - pupillary light response Incorrect answer selected

Explanation

Brain stem death tests include:

Pupillary light response - CN II and III

Corneal reflex, response to supraorbital pressure - CN V and VII

Vestibulo-ocular reflex - CN III and VIII

Gag reflex - CN IX and X

Cough reflex - CN X

Absence of respiratory effort.

Reference:

Anaesthesia UK. Brainstem Death.

Answer Statistics

1

23%

2

9%

3

8%

4

59%

5

3%

Times answered: 287