Exam 1 review Flashcards
Name the CN…
Sensory, Vision
CN II- Optic
Patient presents with one pupil drastically larger than the other. What CN is involved
CN III- OcularMotor
T/F
If a person loses their sense of smell, this can be a contributing factor to depression?
True
Name the CN…
“Mixed”, involved with sensation in the face as well as motor function for mastication
CN V- Trigeminal
In order to visualize things up close what must happen to the lens of the eye?
The cilliary muscles contract to make the lens more round
What does LR6SO4 mean?
Lateral Rectus is innervated by CN VI
Superior Oblique is innervated by CN IV
What 2 Cranial Nerves travel through the interior, acoustic meatus?
CN VII- Facial
CN VIII- Vestibular Choclear
What is the major neurotransmitter involved in vision and hearing
Glutamate
T/F the tips of hair cells inside the ear are able to regenerate?
True- the tips can regenerate, but if the whole hair cell cannot
Jeopardy style….
This is caused by persistent, inappropriate firing of afferent cochlear neurons.
What is Tinnitus
What are the actions of Tensor Tympani and Stapedius
- Decrease the amount of movement of the tympanic membrane
2. decrease the movement of the ossicular chain
Which cranial receives excitatory and inhibitory messages from the Hair Cells in regards to movement of the head?
CN VIII- Vestibular Choclear
What 3 Cranial Nerves does taste travel on?
CN VII- Facial
CN IX- Glossopharyngeal
CN X- Vagus
Jeopardy again…
When sensing taste, this stimulates the receptor responsible for tasting sour?
Acidity
The lower 2/3 of the nose is most responsible for….
Respiration
The Upper 2/3 of the nose is most responsible for…
Olfactory
FUnction of Goblet Cells?
Make Mucous
2 major vessels that bring blood supply to the nose
Anterior= branches from maxillary artery
Posterior (deep nose)= ophthalmic artery
T/F mucosa influences the intensity of smell?
True
What are some classic signs of Kallman’s Syndrome?
Absence of puberty
Absence of smell
due to the “primitive nose” being defective and GNHR cells do not migrate to the hypothalmus
