Test 3 questions Flashcards
The spinal cord proper ends at which of the following levels
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 the others listed
Dura mater
Pia mater
Epidural space
Arachnoid layer
Epidural space
Lateral horns of the spinal cord are found in which of the following regions
Cervical through upper sacral
Lower cervical through 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 columns
Lateral horns
Anterior horns
Anterior horns
Which of the following levels of the spinal cord form the cervical enlargement
C1-C5
C3-C6
C3-T1
C5-T2
C3-T1
Which of the following statements describes the denticulate ligaments
They are found in the oral cavity
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 to stabilize the spinal cord
Which of the following characteristics is not characteristic of autonomic preganglionic neurons
Alway myelinated
Synapse in ganglia
Originate in ganglia
Utilize acetylcholine
Originate in 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
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
Vegas nerves
The medial arcuate ligaments of the diaphragm form the lumbocostal arches and anteriorly cross which of the following muscles
Latissimus doris
Quadratus lumborum
Psoas major
Transversus thoracic
Psoas major
The vegus nerves pass through the diaphragm at which vertebral level
T6
T8
T10
T12
T10
The aortic opening of the diaphragm is 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 nerves Heart Trachea Phrenic nerves
Thymus
Vagus nerves?