.
Orbicularis oculi
Sternomastoid muscle
Buccinator muscle
Orbicularis oris
It is highly vascular so it is the most dangerouse layer
It is the second layer of the scalp from outside and the 4th from inside
Bleeding of this layer may lead to black eye
Contain occipitofrontalis muscle
Scalenus medius
Sternothyroid
Trapizius
Levator scapulae
External jugular vein
Subcalvian blood vessels
Retromandibular vein
Occipital artery
It is a branch of external jugular artery
Angular artery is one of its branches
Has tortous course and run obliquely in the face
Facial artery is lateral to faciel vein
True
False
It is the only tributary of subclavin vein
It descend deep to sternomastoid muscle
Anterior facial vein is one of its tributaries
Dangerous site of external jugular vein is about 1cm above the clavical
True
False
Other covernous sinus
Pharyngeal plexus
External jugular vein
Facial vein
Include substance P
Ca+ influx stimulates their exocytosis at the synaptic cleft
Include acetylcholine
Act as mediators or hormones*
The enzyme that catalyzes methyl group
The metabolite product of epinephrine
The Enzyme that deaminate monoamine
Non of the above
It is the only sympathatic organ that is supplied directly by preganglionic fiber
During stress it increases the secretion of adrenalin and nor adrenalin
The neurons , supply it secrete acetyl choline in the synaptic cleft
Non of them
Anterior Horn cell , skin
Lateral horn cell , skin
Lateral horn cell , viscus
Anterior horn cell , viscus
Autonomic ganglia
Between postganglionic and GIT Smooth muscles membrane
MEP
Between postganglionic and sweat glands membrane
Exophthalmos
Glycogenolysis
Erection of piloerector muscle
Vasoconstriction of skeletal muscles blood vessels
Motor to GIT smooth muscles
Secretory to liver
Myosis
Inhibition of heart properties
Thoracic (1-12)
Sacral (2-4)
Lumbar (1-3)
A&C
C&B
True
False
True
False
Mydrasis
Vasoconstriction to coronaries
Inhibitory to smooth muscles of git , bronchi , urinary bladder , gall bladder
Ejaculation of semen
Defeacation
Diuresis
Digestion
Exophthalmos
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