Anatomy Nerves

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The facial nerve branches supply the muscles of facial expression and the skin covering these muscles

The facial nerve and the glossopharyngeal nerve branches innervate a part of the external ear canal

The parasympathetic fibers of the facial nerve supply the parotid and zygomatic salivary glands

The parasympathetic fibers of the facial nerve supply the taste buds

The major petrosal and the chorda tympani nerves contain pre-ganglionic parasympathetic axons

Select the correct statements from the list below

The oculomotor, torchlear, and abducent nerves contain sensory, motor, and sympathetic fibers

The short ciliary nerves are sensory and course via the trochlear nerve

The abdominal visceral pain is conveyed to the brain via the distal vagal ganglion (nodose ganglion) of the vagus nerve

The sympathetic ganglia contain sensory neurons, which convey visceral pain to the CNS

The cranial cervical ganglion and celiaco mesenteric ganglia convey sensory information to the brain

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The majority of cutaneous sensation from the head is conveyed to the brain by the trigeminal ganglion located in the facial canal

Lack of response to pulling whiskers in a cat or a dog suggests injury to the mental nerve, which is a branch of the maxillary nerve

When you pinch the upper lip with a forceps, it activates terminal branches of the buccal nerve of the mandibular nerve

Cutaneous sensation from the inter-mandibular space (submandibular region) is conveyed via the ventral buccal nerve of the facial nerve

Blink response upon a gentle touch at the lateral canthus suggests functional maxillary nerve and facial nerve branches

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The sweat glands in the digital pads are innervated by the post-ganglionic parasympathetic fibers

The carpal gland in the cat is innervated by the postganglionic sympathetic fibers

The postganglionic parasympathetic fibers from the cervicothoracic ganglion join the brachial plexus to supply the sweat glands in the pads

The sympathetic ganglion is located in the sacral plexus in the pelvic region

The hypogastric nerves contain postganglionic parasympathetic axons/fibers

Regarding the nerves of the brachial plexus, choose the correct answer.

The axillary nerve supplies the primary extensors of the shoulder joint

The suprascapular nerve supplies the primary flexors of the shoulder joint

The radial nerve supplies the extensors of the shoulder, elbow, carpal, and digital joints

The musculocutaneous nerve supplies the flexors of the elbow joint

The median and ulnar nerves supply the flexors of the elbow, carpal and digital joints

Regarding the autonomic nervous system, choose the correct statement from the list below.

The preganglionic neurons of the sympathetic system are located in the brainstem and the sacral segment of the spinal cord

The preganglionic neurons of the parasympathetic system are located in T1-L3 segment of the spinal cord

The ganglionic neurons of the sympathetic system are located in the paravertebral ganglia, celiaco-mesenteric ganglia and in the caudal mesenteric ganglion

The greater splanchnic, lesser splanchnic, and the lumbar splanchnic nerves contain preganglionic parasympathetic axons/fibers

The left and the right hypogastric nerves contain preganglionic sympathetic axons, which supply the pelvic viscera

Select the correct statement

The facial nerve branches supply the muscles of facial expression and the skin covering these muscles

The facial nerve and the glossopharyngeal nerve branches innervate a part of the external ear canal

The parasympathetic fibers of the facial nerve supply the parotid and zygomatic salivary glands

The parasympathetic fibers of the facial nerve supply the taste buds

The major petrosal and the chorda tympani nerves contain preganglionic parasympathetic axons

Select the most appropriate statement from the list below.

Axillary nerve innervates the flexors of the shoulder joint, therefore injury to the nerve will significantly affect the flexion of the shoulder joint

The suprascapular nerve injury can be detected by performing a pinprick test on the craniolateral aspect of the shoulder and the brachial region

The functional consequence of injury to either suprascapular or axillary nerve is compensated by brachiocephalicus or latissimus dorsi, respectively

The suprascapular nerve courses on the caudal aspect of the shoulder joint and supplies to the extensors of the shoulderjoint

The axillary nerve courses on the cranial aspect of the shoulder joint and supplies to the flexors of the shoulderjoint

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The musculocutaneous nerve supplies the flexors of the elbow joint and the skin on the caudal aspect of the antebrachium

The radial nerve supplies the extensors of the elbow joint and the skin on the caudomedial aspect of the antebrachium

The extensors of the carpal and digital joints, and the dorsomedial aspect of the manus are innervated by the radial nerve

The cutaneous innervation on the medial aspect of the antebrachium is from the median nerve

The skin on the cranial aspect of the antebrachium and the lateral aspect of the manus are supplied by the radial and axillary nerves

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The skin on the lateral aspect of the forearm is supplied by the radial and axillary nerve

The flexors of the carpal and digital joints, and the skin on the palmar aspect of the manus are innervated by the median and ulnar nerves

The cutaneous innervation to the craniolateral aspect of the brachium is from the musculocutaneous nerve

The radial nerve supplies the flexors of the elbow joint and the skin on the craniolateral aspect of the antebrachium

The median nerve supplies the flexors of the elbow joint and the skin on the medial aspect of the antebrachium

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The lumbar spinal nerves alone supply the walls of the abdomen

The genitofemoral nerve supplies the skin on the medial aspect of the thigh

The obturator nerve supplies the adductors of the pelvic limb and the skin on the medial aspect of the thigh

The femoral nerve and the saphenous nerve supply the quadriceps femoris

The linea alba and rectus abdominis muscle receive nerve supply from the femoral nerve

Choose the correct answer from the list below

The craniolateral group muscles of the leg are supplied by the tibial nerve

The caudomedial group muscles of the leg are innervated by the fibular nerve

The cranial tibial (tibialis cranialis) reflex test is appropriate for tibial nerve injury

Injury to the tibial nerve causes flexed hock and digits

The fibular nerve injury results in knuckling of the digits

Regarding the autonomic and cranial nerves, select the appropriate statement from the list below

The vertebral nerve (nervus transversarius) has post-ganglionic sympathetic axons, and it passes through the canalis transversarius to supply smooth muscles and erector pili muscles in the neck region

The auriculotemporal nerve of the mandibular branch of the trigeminal nerve carries the pre-ganglionic parasympathetic fibers to the sublingual and mandibular salivary glands

The postganglionic parasympathetic fibers hook onto the branches of the carotid arteries to supply the head region

The ciliary, pterygopalatine, cervicothoracic, and caudal mesneteric ganglia are parasympathetic ganglia

The preganglionic sympathetic fibers in the vagus nerve supply the thoracic and abdominal viscera

Choose the most appropriate correct statement from the list below

The mandibular branches of the trigeminal nerve carry the post-ganglionic parasympathetic fibers to the parotid, zygomatic, and molar salivary glands.

The post-ganglionic parasympathetic fibers hook on to the branches of the carotid arteries to supply the head region

The ciliary, pterygopalatine, and cranial cervical ganglia are parasympathetic ganglia

The vagus nerve contains postganglionic parasympathetic fibers, which innervate the thoracic and abdominal viscera

The vertebral nerve (nervus transversarius) has postganglionic parasympathetic axons, and it passes through the canalis transversarius

Select the correct statement

The major petrosal and the chorda tympani branches of the facial nerve contain parasympathetic preganglionic axons

The sympathetic fibers of the facial nerve supply the taste buds

The parasympathetic fibers associated with the facial nerve supply the parotid salivary gland

The facial nerve and the vagus nerve branches innervate the eyelids

The facial nerve branches supply the muscles of facial expression and the skin covering the frontalis muscle

Regarding the autonomic and cranial nerves, select the appropriate statement from the list below

The mandibular branches of the trigeminal nerve carry the post-ganglionic parasympathetic fibers from the otic ganglion to the parotid and zygomatic salivary glands.

The pre-ganglionic sympathetic fibers hook onto the branches of the carotid arteries to supply the head region

The ciliary, pterygopalatine, and cranial cervical ganglia are sympathetic ganglia

The pre-ganglionic sympathetic fibers in the vagus nerve supply the thoracic and abdominal viscera

The vertebral nerve (nervus transversarius) has postganglionic sympathetic axons, and it passes through the canalis transversarius to supply both epaxial and hypaxial muscles

Choose the most appropriate answer

The glossopharyngeal nerve supplies the rostral 2/3 of the mucous membrane of the tongue and the laryngeal muscles except the cricothyroideus

The vagus, hypoglossal, and the glossopharyngeal nerve branches supply the pharyngeal dilators

The mandibular and the facial nerves supply the muscles of the middle ear cavity, soft palate, digastricus, and the ear canal

In cats, the hypoglossal nerve opens into the tympano-occipital fissure, and it supplies to the mucous membrane of the tongue

The accessory nerve in cats exits the cranial cavity through the hypoglossal canal and supplies the hypaxial muscles in the neck

Choose the correct statement from the list below.

The facial nerve branches supply the muscles of facial expression and the skin on the dorsolateral aspect of the face

The blink response to a hand wave suggest that the palpebral branch of the facial nerve supplying the orbicularis oris is intact (functioning)

Lack of response to pinprick at the middle part of the pinna/auricle (external ear) suggests facial nerve injury

The extra-osseous part of the ear canal is innervated (supplied) by the facial and glossopharyngeal nerves

The fungiform papillae are innervated by the glossopharyngeal nerve, while the vallate papillae by the facial nerve

Select the correct statement from the list below

The vagus nerve contains sympathetic preganglionic and sensory fibers

The distal vagal ganglion (Nodose ganglion) is a parasympathetic ganglion associated with the vagus nerve

The cranial cervical ganglion is located at the tympanooccipital fissure, which receives sympathetic fibers from the vagosympathetic trunk

The vagosympathetic trunk at the caudal mediastinum divides into dorsal and ventral branches before it enters the abdomen

The recurrent (caudal) laryngeal nerve supply the pharyngeal constrictors

Choose the correct statement from the list below

The mandibular nerve innervates all the muscles of mastication except the rostral belly of digastricus

The caudal (recurrent) laryngeal nerve innervates all the muscles of the larynx except the cricothyroideus, which is supplied by the cranial laryngeal nerve

The tensor tympani of the middle ear and the caudal belly of digastricus are innervated by the facial nerve

The ear canal is innervated by the glossopharyngeal, vagus, and mandibular nerve branches

The ear drum and the mucus membrane of the middle ear cavity are supplied by the chorda tympani nerve

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