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What are the carnassial teeth in the upper and lower arcades of a dog's permanent dentition?
P/4 and M/1
It is your first day on a veterinary internship at Walt Disney Word. The first patient of the day is Ed, the hyena from "The Lion King". You notice that he has bilateral divergent strabismus (outward lateral position of both eyes). Which of his cranial nerve must be injured?
Cranial Nerve III (Oculomotor)
Which 2 veins unite to form the external jugular vein?
Maxillary and linguofacial
Which compartment of the eye lies posterior to the lens and is filled with a jelly-like substance?
Damage to the dilator muscles of the iris (dilator pupillae) is a _____ problem
The corticospinal tracts are converging axons that initiate movement via regulation of what neurons?
Upper motor neurons
What is the relationship between the choroid, ciliary body, and iris in the eye?
Make up the middle vascular coat
What is the correct flow of tears (lacrimal apparatus)
Lacrimal gland > conjunctival sac > lacrimal canaliculi > lacrimal sac > nasal vestibule
Your client brings in their cat, Fluffy, worried that her eyes don't look quite right. You look at Fluffy's eyes and they exhibit ventral pupillary rotation. Which nerve would you suspect is damaged that is preventing her from rotating her pupils dorsally?
Trochlear nerve (IV)
What is the name of the structure on the mandible that the facial artery curves under?
A maltese puppy has come to your clinic presenting with sudden blindness after a fall off of the owner's bed. You determine that the puppy has suffered a lesion to the visual cortex of the occipital lobe.
When shining a light in the puppy's eyes, the pupils will no longer contract as a reflex to the light
A dog is presented with a clear case of stroke. Strokes are caused by blockage of blood flow to the brain. Which arteries could possibly be blocked and causing this stroke?
Rostral cerebral and Internal ophthalmic
What part of the brain lies caudal to the cerebrum and dorsal to the 4th ventricle?
While studying for anatomy, you look over at your dog who is looking at you intently because you never spend enough time with him due to the fact that you are always studying. You ask him, "What's wrong?" and he moves his ears towards you. You mentally note that he is using what muscle?
Based on its location, what duct's secretion causes excess accumulation of tartar on the buccal upper molars on a dog?
When intubating an animal, you would expect to encounter which portion of the larynx first?
In the 25% of dogs with an alternative branching pattern of the caudal auricular artery, which vessel branches directly opposite to the caudal auricular artery?
Which blood vessel has the most significant contribution to mastication?
If an owner was giving a subcutaneous injection to their dog and accidentally injected the solution into the external carotid, immediately after (distal to) the occipital artery, you would expect what subsequent branches to receive the solution (and subsequenty those tissue they supply) and be at risk for a reaction?
Lingual and Facial
The BAER (Brain Step Auditory Evoked Response) test can be used to detect electrical activity in the cochlear and auditory pathways in the brain. What cranial nerve can be tested using the BAER test?
Which cartilage of the larynx is paired?
A dog presents with bulging of the right eye and the clinician suspects it may be due to a mucocele (accumulation of saliva after damage to a salivary duct or gland). Which salivary gland do you suspect is affected?
Touching the lateral edge of the eye to test the palpebral reflex gives you information about which cranial nerve branch?
Maxillary branch of trigeminal nerve (V)
How many premolars does an adult cat have on the right upper arcade?
How many rectus muscles are there in the eye?
What ear bone is partially embedded in the tympanic membrane?
What happens when the tensor tympani muscle contracts?
Movement of the malleus bone is restricted, resulting in sound dampening
Which compartment of the eye does NOT contain aqueous humor?
If a dog comes into your clinic and is unable to tens its vocal fold due to lack of innervation of the cricothyroideus muscle, what cranial nerve and which branch is damaged?
Vagus (X), cranial laryngeal branch
A dog presenting with a drop jaw and atrophy of the masseter muscles would most likely have a lesion in what cranial nerve?
If all reflexes are functioning as normal, which part of the brain cannot have a lesion on it?
Which foramina and cranial nerve is correctly paired?
Jugular foramen, Vagus (X)
Between which 2 nerve structures does the internal carotid artery lie on the lateral side of the head?
Cranial cervical ganglion and distal ganglion of the Vagus nerve (X)
If there is damage to the glossopharyngeal nerve, which type of papillae are most likely to be affected?
If you have a positive menace reflex test and a negative palpebral reflex test, which cranial nerve is likely damaged?
The artery that is recognizable by the bulbous enlargement at its origin branches directly off of what main artery?
A 4 year old spayed female boxer mix presents with a rotting carnassial tooth located in the right upper arcade. Which teeth could be affected?
P4 (108) / M1 (109)
The limbus is located between the _____ and _____. The limbus is the site of the _____.
Sclera; cornea; ciliary body
You are a practicing veterinarian about to extract a tooth on a dog during a dental. The tooth which needs to be extracted is 208. You wish to place a local block to prevent pain to the animal so you prepare a syringe of lidocaine and bupivacaine. Where will you inject this to have the best numbing effect?
Inside the infraorbtial foramen
Which cranial nerve has both sensory and motor function?
The ciliary muscle regulate the shape of the lens in the eye. What effect would contracting these muscles have on the zonular fibers and the shape of the lens?
Zonular fibers would relax and lens would fatten
Which cartilage does Dr. Sparks like to call the Louisiana cartilage?
Which lobe of the brain is not a discrete anatomical "lobe" but rather a collection of structures, including the amygdala, hippocampus, and cingulate gyrus?
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