VISCERAL REFLEXES Flashcards
1
Q
DRECT LIGHT
A
R: Ipsilateral pupillary constriction when light is shined in the eye.
AFF: Optic N. 2 Ipsilateral
IC: Midbrain
EFF: Oculomotor N. 3 Ipsilateral
2
Q
INDIRECT LIGHT
A
R: Contralateral pupillary constriction when light is shined in the eye. AFF: Optic N. 2 Ipsilateral IC: Midbrain EFF: Oculomotor N. 3 contralateral
3
Q
ACCOMMODATION
A
R: Convergence of the eyes w/ pupillary constriction. AFF: Optic N. 2 Ipsilateral IC: Occipital cortex EFF: Oculomotor N. 3
4
Q
CAROTID SINUS
A
R: Reduction in HR when examiner presses the carotid sinus.
AFF: Glossopharyngeal N. 9
IC: Midbrain
EFF: Vagus N. 10
5
Q
OCCULOCARDIAC
A
R: Reduction in HR when examiner presses the eye.
AFF: Trigeminal N. 5
IC: Medulla
EFF: Vagus N. 10
6
Q
CILIOSPINAL
A
R: Pupillary dilation when the examiner pinched the base of the neck at the cerc. sympathetic chain
AFF: Cervical symp. chain
IC: T1-T2 SC
EFF: Cerv. sympathetic chain