Anatomy I Exam 3 Flashcards
Anterior sacral foramina allow the passage of which of the following?
Dorsal rami of sacral spinal nerves
Ventral rami of sacral spinal nerves
Lower thoracic nerves via cauda equina
Upper lumbar nerves via the cauda equina
Ventral rami of sacral spinal nerves
A typical thoracic vertebra includes all of the following components except:
A heart shaped body
Interior articular facets
Superior costal demifacets
Transverse foramina
Transverse foramina
The sacral promontory is formed by which of the following structures?
Centrum of L1
Spinous process of L1
Centrum of S1
Spinous process of S2
Centrum of S1
Which of the following ligaments extends along the roof of the neural canal?
Anterior longitudinal
Posterior longitudinal
Ligamentum flavum
Supraspinous ligament
Ligamentum flavum
Transverse foramina are characteristic of which of the following?
All cervical
Only the first six cervical
All cervical vertebrae plus the first thoracic
Only cervical vertebrae 2-7
All cervical
Which of the following is a correct statement regarding vertebrae?
Transverse processes arise from the vertebra at the intersection of the lamina and pedicle
The spinous process of a vertebra arises from the intersection of two pedicles
Mammillary bodies are associated with the anterior articulating processes of the lower thoracic vertebrae
Articular facets of typical thoracic vertebrae are organized into a sagittal plane
Transverse processes arise from the vertebra at the intersection of the lamina and the pedicle
How many cervical vertebrae are present in the human vertebral column?
Five
Six
Seven
As many as you want
Seven
An exaggeration of a secondary vertebral column curve is characterized by which of the following?
Mostly occurs int he thoracic region
Is referred to as kyphosis
Mostly occurs in the cervical region
Is referred to as lordosis
Is referred to as lordosis
In the cervical region which of the following ligaments is referred to as the ligamentum nuchae?
Anterior longitudinal
Posterior longitudinal
Ligamentum flavum
Supraspinous ligament
Supraspinous ligament
The anterior longitudinal ligament of the vertebral column has which of the following characteristics?
It anchors the emerging spinal nerves in place
It limits the direction of the nucleus pulposus extrusion during disk herniation
It narrows anteriorly to the intervertebral disc
It limits flexion
It limits the direction of the nucleus pulposus extrusion during disk herniation
Which of the following statements characterizes the denticulate ligaments?
They are found in the oral cavity and are part of the gomphoses
They attach the serratus anterior to the ribs
They help to stabilize the spinal cord
They extend between the pia mater and the arachnoid layer
They help stabilize the spinal cord
The spinal cord proper ends at what level?
L5/S1
S5
L2
L4
L2
How many pairs of cervical spinal nerves are present in the human?
Five
Six
Seven
Eight
Eight
Which of the following spaces or membranes around the spinal cord is superficial to all the others?
Dura mater
Pia mater
Epidural space
Arachnoid layer
Epidural space
Which of the following levels of the spinal cord form the cervical enlargement?
C1-C5
C3-C6
C3-T1
C5-T2
C3-T1
Lateral horns of the spinal cord are found in which of the following regions?
Cervical through upper sacral
Lower cervical through the upper lumbar
Upper cervical through the lower thoracic
Thoracic through the upper lumbar
Thoracic through the upper lumbar
Cell bodies of the alpha motor neurons originate from which of the following regions of the spinal cord?
Posterior columns
Lateral horns
Lateral columns
Anterior horns
Anterior horns
Which of the following characteristics is NOT of autonomic preganglionic neurons?
Always myelinated
Originate from ganglia
Utilize acetylcholine
Synapse in ganglia
Originate from ganglia
The stellate ganglion is formed from which of the following fused ganglia?
All three cervical plus T1
T1 through T5
Middle and inferior cervical plus T1
Inferior cervical plus T1
Inferior cervical plus T1
Splanchnic nerves are composed of preganglionic fibers and the visceral sensory fibers. They supply abdominal viscera. The greater splanchnic nerve synapses in which of the following regions?
Wall of upper GI tract
Aorticorenal ganglion
Celiac ganglion
Superior mesenteric ganglion
Celiac ganglion
The parasympathetic supply to the thoracic cavity is via which of the following?
Paravertebral chain ganglion pairs T1-T5
Splanchnic nerves
Vagus nerves
Stellate ganglion
Vagus nerves
The medial arcuate ligaments of the diaphragm form the lumbocostal arches and anteriorly cross which of the following muscles?
Latissimus dorsi
Quadratus lumborum
Psoas major
Transversus thoracis
Psoas major
The vagus nerves pass through the diaphragm at which vertebral level?
T6
T8
T10
T12
T10
The aortic opening of the diaphragm is located at which vertebral level?
T6
T8
T10
T12
T12
Which of the following structures is/are found in both the superior and the inferior mediastinum?
Thymus Vagus nerve Heart Trachea Phrenic nerves
Thymus
The heart is found in which of the following locations?
Anterior superior mediastinum Middle superior mediastinum Anterior inferior mediastinum Middle inferior mediastinum Posterior inferior mediastinum
Middle inferior mediastinum
Which of the following structures would NOT be found in the superior mediastinum?
Esophagus Azygos vein Vagus nerves Thymus Trachea
Azygos vein
In aspirating material from the right costodiaphragmatic recess, care must be taken to not penetrate which of the following?
Spleen The lower lobe of the right lung The middle lobe of the right lung The liver The right ventricle
The liver
Which of the following lobes would not be found in the right lung?
Upper (superior)
Middle
Lower (inferior)
Lingula
Lingula
Which of the following statements is CORRECT with regard to pulmonary veins?
Pulmonary veins returned oxygenated blood to the left atrium and are intersegmental
Pulmonary veins return deoxygenated blood from the lung interstitium to the right atrium and are intersegmental
Pulmonary veins return oxygenated blood to the left atrium and are intrasegmental
Pulmonary veins return deoxygenated blood from the lung to the interstitium to the right atrium and are intrasegmental
Pulmonary veins returned oxygenated blood to the left atrium and are intersegmental.