1 Gross Anatomy, Cranial and Spine

1.1 Questions

▶▶ Question 1

According to Brodmann's map of the cytoarchitectonic fields of the human brain, which of the following is Broca's area (motor speech area)?

• A. 41

• B. 42

• C. 43

• D. 44

• E. 45

▶▶ Question 2

According to Brodmann's map of the cytoarchitectonic fields of the human brain, which of the following is Wernicke's area?

• A. 40

• B. 41

• C. 42

• D. 43

• E. 44

▶▶ Question 3

Which of the following Brodmann's area is the precentral gyrus, the primary motor cortex consisting of a large concentration of giant pyramidal cells of Betz?

• A. 4

• B. 6

• C. 8

• D. 10

• E. 12

▶▶ Question 4

The junction of lambdoid, occipitomastoid, and parietomastoid sutures is:

• A. Nasion

• B. Glabella

• C. Stephanion

• D. Asterion

• E. Lambda

▶▶ Question 5

The junction of coronal suture and superior temporal line is also labeled as:

• A. Nasion

• B. Glabella

• C. Stephanion

• D. Asterion

• E. Lambda

▶▶ Question 6

Taylor-Haughton (T-H) lines can be constructed on an angiogram, CT/MRI scout film, or skull X-ray. They can be constructed on the patient in the OR based on visible external landmarks. A line from inferior margin of orbit through the upper margin of the external auditory meatus (EAM) is:

• A. Frankfurt plane

• B. Reid's baseline

• C. Condylar line

• D. Sylvian fissure line

• E. Central sulcal line

▶▶ Question 7

Numerous methods utilize external landmarks to locate the motor strip (pre-central gyrus) or the central sulcus (Rolandic fissure) which separates motor strip anteriorly from primary sensory cortex posteriorly. About how far the motor strip usually lies behind the coronal suture?

• A. 3 cm

• B. 5 cm

• C. 8 cm

• D. 10 cm

• E. Lies anterior to coronal suture

▶▶ Question 8

To access the potential recipient vessels in the angular gyrus for EC/IC bypass surgery, a 4 cm craniotomy should be performed, and it should be centered around:

• A. Reid's line

• B. Condylar line

• C. Chater's point

• D. Mastoid notch

• E. Zygomatic arch

▶▶ Question 9

For non-hydrocephalic ventricles, what is the average length of third ventricles?

• A. 0.6 cm

• B. 1.2 cm

• C. 2.8 cm

• D. 4 cm

• E. 5 cm

▶▶ Question 10

Regarding estimates of spinal levels for spine surgery, at what level is the inferior scapular pole posteriorly?

• A. C6

• B. T2

• C. T4

• D. T6

• E. T10

▶▶ Question 11

Regarding estimates of spinal levels for spine surgery, at what level is the carotid tubercle anteriorly?

• A. C6

• B. T2

• C. T4

• D. T6

• E. T10

▶▶ Question 12

Regarding cranial foramina and their contents, middle meningeal artery and vein pass through which of the following?

• A. Cribriform plate

• B. Optic canal

• C. Foramen rotundum

• D. Foramen ovale

• E. Foramen spinosum

▶▶ Question 13

Which of the following is not a content of porus acusticus?

• A. Facial nerve

• B. Nervus intermedius

• C. Acoustic portion of vestibulocochlear nerve

• D. Superior branch of vestibular nerve

• E. Glossopharyngeal nerve

▶▶ Question 14

What is the average length of frontal horn anterior to foramen of Monro?

• A. 1 cm

• B. 1.5 cm

• C. 2.5 cm

• D. 4 cm

• E. 5 cm

▶▶ Question 15

What is the average length of the fourth ventricle at the level of fastigium?

• A. 0.8 cm

• B. 1.4 cm

• C. 2.2 cm

• D. 2.5 cm

• E. 3 cm

▶▶ Question 16

Regarding the vascular supply of internal capsule, all of the retrolenticular part including optic radiation and ventral part of posterior limb of internal capsule are supplied by which of the following?

• A. Anterior choroidal artery

• B. Lateral striate branches

• C. Direct distal branches of internal carotid artery

• D. Terminal branches of middle meningeal artery

• E. Paramedian artery

▶▶ Question 17

What are the most important structures in maintaining atlantooccipital stability, without which the remaining cruciate ligament and apical dentate ligament are insufficient?

• A. Tectorial membrane and alar ligament

• B. Descending bands of cruciate ligament

• C. Ascending bands of cruciate ligaments

• D. Anterior and posterior atlantal ligaments

• E. Anterior and posterior atlantooccipital membranes

▶▶ Question 18

Flexor muscle tone is a function of which descending motor tracts of spinal cord?

• A. Anterior corticospinal tracts

• B. Lateral corticospinal tracts

• C. Rubrospinal tract

• D. Vestibulospinal tracts

• E. Medullary reticulospinal tracts

  ...