Nervous System: Senses and Cranial Nerves

Match the cranial nerves with their function

• facial expressions

• Facial

• facial sensation and chewing

• Optic

• pupil, eye, eyelid movement

• Oculomotor, Trochlear, Abducens

• vision

• Olfactory

• smell

• Trigeminal

Match the following cranial nerves with their function

• hearing and balance

• Glossopharyngeal and Vagus

• Muscle movement

• Hypoglossal

• taste and throat/soft palate/vocal folds

• Vestibulocochlear

• tongue movement

• Accessory

Which of the following influence touch receptors

• free nerve endings

• meissner's corpuscles

• merkel's disk

• ruffini's corpuscles

• pacinian corpuscle

What are characteristics of Rods?

• Distributed all over retina

• Only on part of the retina

• vision in low light

• extremely sensitive

What are characteristics of cones?

• distributed all over the retina

• concentrated in the center of retina

• detect colors

• less sensitive

• extremely sensitive

How do hair cells relate to the frequencies we hear?

• more hair cells= hear higher frequencies

• more hair cells= hear less frequencies

• less hair cells= hear higher frequencies

True or False: Young children have more taste buds and have a greater sensitivity to chemical flavors than adults

• True

• False

Constant contact with a substance causes...

• insensitivity

• hypersensitivity