Cross sectional anatomy (lexy's notes)

The directional term rostral refers to which of the following?

Toward the nose

The directional term proximal refers to which of the following?

Toward a reference point

The directional term contralateral refers to which of the following?

On the opposite side

The aortic arch is located:

2.5 cm below the jugular notch

The term popliteal refers to the area of the:

Back of the knee

The plane that passes diagonally between the axes of two other planes is the _____ plane.

Oblique

Which of the body cavities is the largest?

Ventral

A vertical plane that passes through the body, dividing it into anterior and posterior portions, is the _____ plane.

Coronal

The directional term caudal refers to which of the following?

Toward the feet

The osteomeatal unit is located in which portion of the maxillary sinus?

Superior medial

Which of the following is a foramen contained within the sphenoid bone?

Foramen ovale

The parietal bones articulate with the _____, and temporal bones.

Sphenoid, occipital, frontal

The anterior surface of the temporomandibular articular disk attaches to which muscle?

Lateral pterygoid

Which opening is located between the greater and lesser wings of the sphenoid bone?

Superior orbital fissure

Which basal cistern courses around the lateral surface of the midbrain?

Ambient cistern

The insula is considered part of the:

Cerebral cortex

Which of the following is composed primarily of massive bundles of nerve fiber tracts and can be divided into two major segments: cerebral peduncles and tectum?

Midbrain

The primary visual cortex is located in the _____ lobe.

Occipital

The passage of cerebrospinal fluid between the third and lateral ventricles is accomplished via the:

Interventricular foramen (foramen of Monro)

The layer of meninges closely adhering to the brain tissue is the:

Pia mater

The supraspinous ligament continues into the cervical region as the:

Ligamentum nuchae

Which of the following muscles consist of several short muscles that are located in the grove between the transverse and spinous processes of the vertebrae?

Transversospinal muscles

The anterior spinal artery is formed by the union of branches from the:

Vertebral arteries

Which of the following veins drain the vertebral bodies?

Basivertebral vein

The erector spinae muscle group is the chief extensor of the vertebral column and is arranged into which three vertical columns?

Iliocostalis, longissimus, and spinalis

The most inferior portion of the spinal cord, located at approximately the level of the T12-L1, is called the:

Conus medullaris

Where is the dorsal root ganglion located?

Intervertebral foramen

Which vessels are located in the epidural space of the vertebral column?

Internal venous plexus

The term flank refers to the area of the _____.

Abdomen

The zygomatic arch is formed by the zygoma and the _____.

Temporal bone

What are the structures of the inner ear?

Cochlea, vestibule, and semicircular canals.

The foramen magnum is a structure of which cranial bone?

occipital bone

Which suture is located posterior in the cranium and joins the occipital and parietalbones?

Lambdoid suture

The cerebral hemispheres contain neural tissue arranged in numerous folds called_____.

Gyri

Which is the most posterior portion of the corpus callosum?

Splenium

The brachial plexus arises from which ventral rami?

C5 to T1

Which are termed the afferent (sensory) nerve roots?

Dorsal nerve roots.

A network of blood vessels located within the ventricular system that produces cerebrospinal fluid (CSF) is the:

Choroid plexus

Including the midbrain, the other major segments of the brainstem are the:

Pons and medulla oblongata