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Anatomy - Head and Neck (1).
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Anatomy - Head and Neck (1).
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Anatomy - Head and Necka. malar flush - ANS-Which of the following is not associated with the frontal bone(s)?
a. malar flush
b. glabella
c. metopic suture
d. supraorbital foramen
e. roof of the orbit
d. overlies the anterior branch of the middle meningeal artery. - ANS-The pterion:
a. is posteroinferior to the external acoustic meatus.
b. is part of the sphenoid bone.
c. is part of the temporal bone.
d. overlies the anterior branch of the middle meningeal artery.
e. is located at the junction of the sagittal and coronal sutures.
c. It is located in the middle cranial fossa. - ANS-Which of the following is not correct for the
cribriform plate?
a. It is part of the ethmoid bone.
b. It possesses numerous tiny foramina that transmit olfactory nerves.
c. It is located in the middle cranial fossa.
d. It lies adjacent to the crista galli.
e. It is located posterior to the frontal crest.
d. lacerum - ANS-Which of the following is not a foramen or fissure in the sphenoid bone?
a. superior orbital
b. rotundum
c. ovale
d. lacerum
e. spinosum
c. facial nerve may have been injured. - ANS-During a difficult delivery an obstetrician uses
forceps to extract the infant. Upon examining the baby you notice forceps impressions
posteroinferior to the ear. You are most concerned that the:
a. forceps may have penetrated a fontanelle.
b. middle ear cavity may have been crushed.
c. facial nerve may have been injured.
,d. mastoid process may have been avulsed.
e. styloid process and associated muscles may have been avulsed.
a. The remains of the anterior fontanelle is often indicated by the metopic suture. - ANS-Which
of the following is incorrect pertaining to fontanelles?
a. The remains of the anterior fontanelle is often indicated by the metopic suture.
b. A bulging fontanelle indicates excessive intracranial pressure.
c. They facilitate molding.
d. Lambda indicates the site of the posterior fontanelle.
e. Fontanelles are normally not palpable after 18 months of age.
b. The scalp muscles (e.g., occipitofrontalis) are attached to the pericranium. - ANS-Which of
the following is incorrect pertaining to the scalp?
a. Superficial wounds do not gape because the margins of the wound are held together by the
epicranial aponeurosis.
b. The scalp muscles (e.g., occipitofrontalis) are attached to the pericranium.
c. Blood vessels and nerves enter the scalp inferiorly.
d. Scalp infections may spread to the brain via emissary veins that pass through parietal
foramina.
e. Scalp injuries can result in "black eyes."
c. has a tough edge that may lesion the oculomotor nerve during tentorial herniation. - ANS-The
cerebellar tentorium:
a. is composed of arachnoid matter.
b. contains CSF.
c. has a tough edge that may lesion the oculomotor nerve during tentorial herniation.
d. may become occluded, resulting in loss of blood supply to the cerebellum.
e. may produce headaches associated with pituitary tumors.
a. arachnoid granulations—calcifications of arachnoid mater within the sinuses associated with
arteriosclerosis - ANS-Which of the following associations pertaining to the dural venous
sinuses is incorrect?
a. arachnoid granulations—calcifications of arachnoid mater within the sinuses associated with
arteriosclerosis
b. confluence of the sinuses—near internal occipital protuberance
c. inferior sagittal sinus—located within the falx cerebra
d. sigmoid sinus—continues inferiorly as internal jugular vein
e. occipital sinus—metastases via internal vertebral venous plexuses
, e. contains the mandibular division of the trigeminal nerve - ANS-Which of the following is not
correct pertaining to the cavernous sinus?
a. traversed by the internal carotid artery
b. located on either side of the sella turcica
c. may become thrombosed via infections in the superior part of the face
d. septic thrombosis can lead to the development of meningitis
e. contains the mandibular division of the trigeminal nerve
c. arteriovenous fistula within the cavernous sinus. - ANS-Pulsating exophthalmos is associated
with:
a. tear of the lacrimal artery.
b. tear of the inferior ophthalmic vein.
c. arteriovenous fistula within the cavernous sinus.
d. rupture of the pterygoid venous plexus.
e. section of the oculomotor nerve.
a. an extradural (epidural) hematoma caused by a laceration of a branch of the middle
meningeal artery. - ANS-You examine a comatose patient in the emergency room. His wife
relates that her husband was struck accidentally in his "temple" by a baseball. After an initial
period of unconsciousness, he seemed to be okay but later became drowsy and comatose. You
suspect that the patient is suffering from:
a. an extradural (epidural) hematoma caused by a laceration of a branch of the middle
meningeal artery.
b. a subdural hematoma caused by a laceration of a branch of the middle meningeal artery.
c. an extradural (epidural) hematoma caused by a laceration of the transverse venous sinus.
d. a subdural hematoma caused by a laceration of a branch of the transverse venous sinus.
e. a subarachnoid hemorrhage caused by a laceration of the internal carotid artery.
a. It returns to the venous system by passing into the vertebral venous plexuses. - ANS-Which
of the following is incorrect pertaining to the CSF?
a. It returns to the venous system by passing into the vertebral venous plexuses.
b. It provides some cushioning to the brain when the skull is struck.
c. Samples are typically obtained in infants through needle puncture into the posterior
cerebellomedullary cistern.
d. Overproduction results in hydrocephalus.
e. Fractures of the floor of the middle cranial fossa may result in leakage through the external
acoustic meatus.
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