Practice Head Questions Flashcards
The paired muscle that opens the jaw is the:
Digastricus
The portion of the mandible that articulates with the temporal bone is the
Condylalr process
In the midcervical region, lateral reflection of the left stemohyoideus muscle would most reveal the adjacent but deeper
left sternothyroideus muscle
deep laceration directed dorsoventrally across the zygomatic and masseteric regions of the head would most likely damage the.
Parotid Salivary gland
An abnormal mass within the base of the lingual frenulum would most likely interfere with discharge of secretions from the.
Mandibular Salivary Gland
Not including the tiny interarytenoid cartilage, the larynx of dogs and cats consists of
one paired and three unpaired cartilages
The cricoarytenoideus dorsalis muscle functions in:
opening the rima glottides
In a resting dog that is not panting or swallowing, the apex or tip of the epiglottis is normally positioned in the:
intrapharyngeal ostium
Which cartilage of the larynx is most responsible for preventing collapse or constriction of the laryngeal airway?
Cricoid
A needle inserted rostromedial to the temporomandibular joint would most likely penetrate the.
medial pterygoid muscle
The lacrimal gland
secretes fluid that drains from the orbital region into the nasal vestibule
Enlarging the cartilaginous external auditory meatus by cutting ventral through the pretragic incisure would most likely damage the.
parotid salivary gland
What is the temporal Fossa?
A convex region on the lateral surface of the skull from which the temporalis muscle originaties
What is the region of the neurocranium where the mandible articulates with the remainder of the skull?
Mandibular Fossa
What is the infraorbital foramen?
The elliptical opening on the lateral surface of the maxilla through which the infraorbital nerve passes
The Caudaral edge of the orbital rim is closed by the
Orbital ligament
Which one of the following statements regarding the pterygopalatine fossa is true
The medial wall of the pterygopalatine fossa is the location of several framina related to the eye and rostral facial region
Which of the following adult teeth have three roots?
Premolar and molar
Which paranasal sinus or recess is most likely to be associated by a purulent sinusitis related to a tooth abscess?
Maxillary Sinus
Select the correct pairing of muscle and innveration
Levator palebrae superioris - oculomotor nerve (CN III)
Which of the following statements regarding the superficial facial region is true?
The external nose is supported by a paired and unpaired cartilages
Which on of the following statements regarding the parotid salivary gland is true?
The parotid salivary gland may have a small lymph node associated with its rostral border
Which sequence correctly describes the course of sound waves through the inner ear?
Vestibular window, cochlea, scala vestibuli, cochlear window
Which one of the following statements regarding the cochlear duct is true?
It completes the division of the spiral canal into the scala tympani and scala vestibuli
The nerves in the inner ear include the
Vestibular nerve, which conducts impulses from the semicircular ducts
Which one of the following statements regarding various structure of the eye is true?
Zonular fibers suspend the lens and play a role in changing its shape during accommodation
Which one of the following statement is true?
The third eyelid has no intrinsic musculature
Select the option below that correctly describes the sequence of tears through the nasolacrimal duct system
Medial canthus, puncta, canaliculi, nasolacrimal duct proper
Which one of the following statemetns correctly describes the innervation of the eye?
Sensory innervation to the globe arrives through the long ciliary nerves, branches of the opthalmic nerve
Which one of the following statements correctly describes the arterial supply to the eye?
Long posterior ciliary arteries supply the iris
The external carotid artery typically terminates by dividing into the
superficial temporal and maxillary arteries
Which one of the following statement regarding the infraorbital artery is true?
It supplies the vibrissae
Which one of the following statements regarding the maxially vein is true?
It drains the cranial cavity as well the face
Which cranial nerves exits dorsally from the brain stem, innervates an extraocular muscle and us the only cranial nerve to cross the brain entirely to innervate structures on the opposite side of its origin?
Trochlear nerve (cranial nerve IV)
Which component of the facial nerve carries parasympathetic fibers to the salivary and lacrimal glands?
Chorda tympani
Where are the openings of the salivary flans found?
In the oral cavity and the oral vestibule
What structure does the sublingual fold cover/
The ducts of the mandibular and sublingual salivary glands
Which one of the followings statements regarding the larynx is true?
It receives both motor and sensory innervation from the vagus nerve (cranial nerve X)
Which of the following structures is a prominently palpable feature on the lateral surface if the maxilla?
The infraorbital foramen
Which one of the following structures is normally palpable on the head?
The angular process of the mandible
Which two nerves of the following structures is normally palpable on the head?
Vagus and glossopharyngeal nerves
Which muscle largely occupies the space dorsal to the zygomatic arch, inserts on the coroniod process of the mandible and is innervated by the mandibular division of the trigeminal nerve?
Temporalis muscle
The walls of the neurocranium (braincase) are formed by contributions from all of the following bones EXCEPT
Zygomatic bone
The zygomatic arch is formed by contributions from several bones. Which one of the following bones does NOT make a contributions to the zygomatic arch?
Frontal Bone
Traumatic injury to the region surrounding the tympanic bulla would be LEAST likely to affect which on the following cranial nerves?
Mandibular nerve
All of the following structure are prominent in the rostral view of the skull EXCEPT the
alar canal
Which of the following types of adults teeth do NOT have a decuduous precursor?
All molars
Which one of the following regarding the external ear is INCORRECT?
The external ear is characterized by a cutaneous marginal pouch medial margin of the ear
Which one of the following structures is NOT supplied by branches of the maxillary artery withing the region of the deep face?
Infraorbital area
Which matching of ear part and function is INCORRECT
Middle ear - generated electrical impulses at the tympanic membrane
Which one of the following descriptions INCORRECTLY describes the occipital artery
It is typically a branch of the internal carotid artery
The lingual artery supplies all of the following structures EXCEPT the
temporal muscle
Which of the following veins does NOT accompany an artery of the same name?
Deep Facial
Which one of the following structures us NOT innervated by the trigeminal nerve (cranial nerve V)
Extraocular muscle
Which one of the following structures is NOT innervated by the opthalmic branch of the trigeminal nerve (cranial nerve V)
Levator palpebrae superioris
Which one of the following statements describing the chorda tympani is INCORRECT?
It carries touch fibers from the tympanic membrane
All of the following cranial nerves contribute to the innervation of the teeth EXCEPT
facial nerve
Which one of the following statements regarding the role of the tongue in taste is INCORRECT ?
The tongue is innervated by both cranial and cervical nerves
Select the INCORRECT statement describing the role pf the pharyngeal musculature in alimentation. The pharyngeal muscles serve to
elevate the pharynx over the larynx during liquid ingestion
