ANATOMY
42
Thorax – Nerves
1.
Phrenic nerve p125 instant anatomy, p188 Lasts
a.
Strives to reach midline at all levels
F
b.
Medial relations identical
F - completely different (R related to venous structures, L related to
arterial structures
c.
Only supplies own side of diaphragm
T
d.
Arises from C6
F - C3,4,5 (mainly C4)
e.
Both give off recurrent laryngeal nerve
F - No from Vagus
2.
Which one of the following statements concerning a typical
intercostal nerve is INCORRECT – Pg 100new moore
a.
it is a mixed spinal nerve
T
b.
it passes in the neurovascular plane between the internal
intercostal and innermost intercostal muscles
T
c.
is collateral branch has no cutaneous distribution
F – Wrong it does
d.
in its course around the body wall the nerve lies below
the vein and the artery T
e.
the main nerve itself has an anterior terminal branch
T - it has an anterior cutaneous branch
Thorax – Muscles
3.
In the chest wall p176 Lasts for intercostals space p93, 97 NM
a.
the neurovascular bundle lies between the external and
internal intercostals
F - it lies between the internal intercostals and the transversus
b.
the transversus muscle lies between the internal and
external intercostals
F - it goes ext interc, int interc and innermost inercostal muscles
c.
the intercostal artery lies between the nerve and vein
T - VAN from sup to inf
d.
the intercostal artery is more superficial than the vein
F
e.
runs nerve vein artery
F - Nerve inferior, then artery, then vein superiorly
f.
b) runs above rib
F - below
g.
c) runs under inferior border
T
