Exam 3 Flashcards
T or F: The periosteal and meningeal dura within the cranial vault are continuous with the dura around the spinal cord.
False
The dural fold (falx) that separates the right and left cerebellum is called the: A. Falx cerebri B. Falx cerebelli C. Tentorium cerebellum C. Diaphragma sellae
B. Falx cerebelli (deep to tentorium cerebellum)
T or F: The transverse sinus drains blood to the confluens sinuum.
False
Which of the following bones forms both the neural cranium and the viscerocranium? A. Frontal B. Ethmoid C. Sphenoid D. Temporal
B. Ethmoid
T or F: The maxillary branch of the trigeminal nerve (CN V2) exits the cranium through the foramen ovale.
False
Which of the following is an exit from the anterior cranial fossa? A. Foramen spinosum B. Superior orbital fissure C. Foramen cecum D. Foramen lacerum
C. Foramen cecum
Which of the following is NOT a motor branch of the facial nerve (CNVII)? A. Temporal B. Zygomaticofacial C. Buccal D. Marginal Mandibular
B. Zygomaticofacial
T or F: Contraction of the occipitofrontalis muscle raises your eyebrows and wrinkles your forehead.
True
Which of the following is NOT a branch of the external carotid artery? A. Facial B. Maxillary C. Angular D. Supratrochlear
D. Supratrochlear
T or F: The major artery supplying the structures in the face is the facial artery.
True
Which of the following muscles is pierced by the parotid duct? A. Masseter B. Buccinator C. Temporalis D. Orbicularis Oris
B. Buccinator
T or F: The submandibular glands are the largest of the paired salivary glands in the face.
False
T or F: The superficial temporal artery is the terminal branch of the external carotid artery.
True
T or F: The temporalis muscle occupies the temporal fossa and attaches superiorly along the superior temporal line of the parietal bone.
False
T or F: The dural folds are created by the separation of the meningeal dura from the periosteal dura.
False
T or F: Dural sinuses are channels created by the separation of the meningeal dura from the periosteal dura.
True
Which of the following is not a dural fold? A. Falx cerebri B. Tentorium cerebelli C. Diaphragm sellae D. Superior sagittal sinus E. Falx cerebelli
D. Superior sagittal sinus
The cavernous sinus (sinus cavernosus) drains into which 2 structures? A. Superior petrosal sinus B. Superficial middle cerebral vein C. Posterior intercavernosus sinus D. Inferior petrosal sinus E. Sphenoparietal sinus F. Sigmoid sinus
A and D
How many bones make up the neural cranium? A. 4 B. 6 C. 8 D. 10
B. 6 “STEP OF 6” Sphenoid Temporal Ethmoidal Parietal Occipital Frontal
Which of the following does NOT form a wall of the orbit? A. Orbital plate of frontal bone B. Orbital plate of vomer bone C. Maxilla D. Zygomatic bone
B. Orbital plate of vomer
Which of the following is NOT one of the layers of the eyeball? A. Cornea B. Sclera C. Uvea D. Retina E. All of the above are layers
E. All of the above are layers
What part of the eye changes size to control how much light enters?
Iris
What part of the eye helps focus an image on the back surface of the eye?
Lens
What part of the eye forms a clear ‘window’ that allows light into the eye?
cornea