Block 5 Anat Head Neck Mini Quest Prt 1

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  • 1/21 Questions

    A 60‑year‑old woman presents with tic douloureux which is characterized by excruciating facial pain over the distribution of the fifth cranial nerve. This involves sensory neurons whose cell bodies are located in the:

    • Submandibular ganglion
    • Trigeminal ganglion
    • Geniculate ganglion
    • Otic ganglion
    • Nodose ganglion
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Head And Neck Quizzes & Trivia
About This Quiz

This quiz, titled 'Block 5 Anat head neck mini quest prt 1', assesses knowledge on anatomical features and nerve functions specific to the head and neck region. It is designed to test understanding of nerve pathways, muscle innervation, and vascular structures, critical for medical students preparing for exams.

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  • 2. 

    A 14‑year‑old male with severe acne is brought into your office with a painful inflammation of the right side of his face, below the eye. He is feverish and complains of headache. Laboratory tests reveal elevated white cell counts in serum and cerebrospinal fluid, indicative of spread of bacterial infection into the intracranial space. The anatomical route through which the infection spread is MOST LIKELY the ...

    • Facial vein to internal jugular vein to inferior petrosal sinus

    • Transverse cervical vein to pharyngeal venous plexus to basilar venous plexus

    • Angular vein directly to superior petrosal vein to transverse venous sinus

    • Angular vein to ophthalmic vein to cavernous sinus (or, anterior intercavernous sinus)

    • Transverse facial vein to retromandibular vein and directly to middle meningeal vein

    Correct Answer
    A. Angular vein to ophthalmic vein to cavernous sinus (or, anterior intercavernous sinus)
    Explanation
    The infection in the right side of the face, below the eye, has spread to the intracranial space, causing inflammation and symptoms such as fever and headache. The anatomical route through which the infection most likely spread is the angular vein to the ophthalmic vein to the cavernous sinus (or, anterior intercavernous sinus). The angular vein connects to the ophthalmic vein, which then drains into the cavernous sinus. This route allows for the infection to spread from the facial area to the intracranial space.

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  • 3. 

    The skin of the face receives its sensory supply primarily from branches of

    • Ventral primary rami of Cl and C2

    • The superior, middle and inferior auricular nerves

    • The facial nerve

    • The cervical plexus

    • The trigeminal nerve

    Correct Answer
    A. The trigeminal nerve
    Explanation
    The trigeminal nerve is responsible for providing sensory supply to the skin of the face. It has three main branches: the ophthalmic nerve, the maxillary nerve, and the mandibular nerve. These branches innervate different regions of the face, including the forehead, cheeks, and jaw. Therefore, the trigeminal nerve is the correct answer for this question.

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  • 4. 

    At your rural clinic a five‑year‑old girl is brought in by her parents because she has a "wry neck." Physical examination reveals no increased tone in neck muscles and all cranial nerve tests are normal. Her history reveals a difficult breech ("feet­first") birth, however, during which excessive traction was put on her head and neck. You diagnose Congenital Torticollis. Damage to what structure(s) accounts for this condition?

    • Ansa cervicalis

    • Sternocleidomastoid muscle

    • Posterior scalene muscle

    • Ligamentum nuchae

    • Anterior scalene muscles

    Correct Answer
    A. Sternocleidomastoid muscle
    Explanation
    Excessive traction during a difficult breech birth can cause damage to the sternocleidomastoid muscle, leading to Congenital Torticollis. This condition is characterized by a "wry neck," where the head is tilted to one side and the chin is rotated to the opposite side. The sternocleidomastoid muscle plays a significant role in head and neck movements, and damage to this muscle can result in the abnormal positioning of the head and neck seen in Congenital Torticollis.

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  • 5. 

    A 45‑year‑old man presented to his physician with facial­ paralysis and increased sensitivity to sound. Examination revealed a lesion of the facial nerve in the facial canal. This lesion is also LIKELY to result in:

    • Problems with swallowing

    • Loss of taste from anterior two thirds of tongue

    • Dizziness

    • An atrophied tongue

    • Loss of secretion from the parotid gland

    Correct Answer
    A. Loss of taste from anterior two thirds of tongue
    Explanation
    The facial nerve is responsible for innervating the taste buds on the anterior two thirds of the tongue. Therefore, a lesion in the facial nerve, as described in the case, would likely result in a loss of taste from the affected area of the tongue.

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  • 6. 

    A 38‑year‑old diabetic female is diagnosed with right‑sided Bell's palsy, the result of injury to the facial nerve. Which of the following is MOST LIKELY to be seen in a patient with Bell's palsy?

    • Loss of pain and temperature sense on the affected side of the face

    • Inability to blink the right eye

    • Paralysis of tongue muscles

    • Inability to chew

    • Inability to protrude the jaw

    Correct Answer
    A. Inability to blink the right eye
    Explanation
    Inability to blink the right eye is most likely to be seen in a patient with Bell's palsy. Bell's palsy is a condition that causes sudden weakness or paralysis of the muscles on one side of the face, including the muscles that control blinking. This can result in the inability to close the affected eye properly, leading to dryness, irritation, and potential damage to the cornea.

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  • 7. 

    Damage to the facial nerve at the stylomastoid foramen would MOST LIKELY cause

    • Inability to open the eyelids

    • Weakness in chewing on the side of the nerve damage

    • Reduction in sensation from the anterior part of the scalp

    • Inability to smile symmetrically

    • Inability to protrude the jaw

    Correct Answer
    A. Inability to smile symmetrically
    Explanation
    Damage to the facial nerve at the stylomastoid foramen would most likely cause an inability to smile symmetrically. The facial nerve controls the muscles of facial expression, including the muscles involved in smiling. Damage to the nerve can result in weakness or paralysis of these muscles, leading to an asymmetrical smile.

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  • 8. 

    A 16‑year‑old high school student with a bad case of acne complains of severe headache, high fever and problems with eye movements. Apparently, an infection had spread from a pimple on his face into the cavernous sinuses within his cranium through the:

    • Angular and deep facial veins

    • Facial and superior ophthalmic veins

    • Retromandibular and internal jugular veins

    • Facial and internal carotid arteries

    • Middle meningeal and maxillary veins

    Correct Answer
    A. Facial and superior ophthalmic veins
    Explanation
    The facial and superior ophthalmic veins are the correct answer because they provide a pathway for the infection to spread from the pimple on the face into the cavernous sinuses within the cranium. These veins connect the face and the eyes to the cavernous sinuses, allowing the infection to travel through them and cause the severe headache, high fever, and problems with eye movements that the patient is experiencing.

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  • 9. 

    A 7‑year‑old girl is brought into your pediatric clinic coughing, and with extreme pain in her throat. She had been playing dressup with her dolls and swallowed an open, small safety pin, which had lodged somewhere in her throat. With a laryngoscope, the pin is seen in the laryngopharynx, inferior and lateral to the right aryepiglottic fold. The probable location of the pin, and the nerve conveying the sense of pain, are ...  

    • Piriform recess; pain conveyed by the internal laryngeal nerve

    • Right vallecula; pain fibers of the glossopharyngeal nerve

    • Subglottic space; pain carried by the recurrent laryngeal nerve

    • Palatopharyngeal fold and muscle; sensory fibers of the pharyngeal branch of V3

    • Laryngeal ventricle; sensation carried by the glossopharyngeal nerve

    Correct Answer
    A. Piriform recess; pain conveyed by the internal laryngeal nerve
    Explanation
    The probable location of the pin is in the piriform recess, which is inferior and lateral to the right aryepiglottic fold. The pain from the pin is likely conveyed by the internal laryngeal nerve, which innervates the laryngopharynx.

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  • 10. 

    What nerve DOES the superior laryngeal artery accompany into the larynx?

    • Vagus

    • Descendens hypoglossal of ansa cervicalis

    • The nerve to the cricothyroid muscle

    • Recurrent laryngeal

    • Internal laryngeal

    Correct Answer
    A. Internal laryngeal
    Explanation
    The superior laryngeal artery accompanies the internal laryngeal nerve into the larynx.

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  • 11. 

    Which of the following statements is INCORRECT?

    • All spinal nerves contain the same types of functional components

    • A typical spinal nerve contains four functional components

    • General somatic efferent fibers supply striated voluntary muscles

    • The 1st cervical nerve is generally considered to be a purely motor nerve

    • General visceral efferent fibers control vasoconstriction and dilation of blood vessels

    Correct Answer
    A. All spinal nerves contain the same types of functional components
    Explanation
    The statement "All spinal nerves contain the same types of functional components" is incorrect because spinal nerves actually contain different types of functional components. Spinal nerves consist of both sensory and motor fibers. The sensory fibers transmit information from the body to the central nervous system, while the motor fibers transmit signals from the central nervous system to the muscles and glands. Therefore, this statement is incorrect as it suggests that all spinal nerves have the same types of functional components, which is not true.

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  • 12. 

    The trochlear and oculomotor nerves can be affected directly by aneurysms of either of two arteries as the nerves leave the brainstem, for both nerves pass between the two arteries. One of these two arteries contributes directly to the "arterial circle of Willis"; the other does not. The artery that contributes to the "Circle" and which can affect either of the two nerves is the ...  

    • Anterior cerebral

    • Posterior cerebral

    • Middle cerebral

    • Superior cerebellar

    • Anterior inferior cerebellar

    Correct Answer
    A. Posterior cerebral
    Explanation
    The posterior cerebral artery contributes directly to the "arterial circle of Willis" and can affect either the trochlear or oculomotor nerves. As the nerves leave the brainstem, they pass between two arteries, and aneurysms of either of these arteries can directly affect the nerves. The other arteries mentioned in the options do not contribute to the "Circle" or have a direct impact on the trochlear and oculomotor nerves. Therefore, the correct answer is the posterior cerebral artery.

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  • 13. 

    The 4th semester student was performing a physical examination of a 19‑year‑old female patient from Portsmouth who was troubled by a problem with cranial nerve dysfunction. The student first asked the patient to turn her head to the left, and look to the left. She‑then gently touched the limbus of the patient's right eye with a little bit of cotton. As she touched the eye, she observed that the patient's right eye blinked, but the left one didn't. She then repeated the procedure, having the young woman turn her head and her eyes to the right, while the student stroked the left limbus. Now, she noted that the right eye blinked, but the left one did not. She correctly deduced from her observations that ...

    • The patient's eyes showed normal responses to sensory stimuli

    • The patient exhibited paralysis of the left facial nerve

    • It was clear that the patient had bilateral weakness of the levator palpebrae

    • The young woman had paralysis of her left ophthalmic nerve

    • The patient had obvious conduction problems with her right ophthalmic nerve

    Correct Answer
    A. The patient exhibited paralysis of the left facial nerve
    Explanation
    Based on the student's observations, when the right eye was touched, it blinked indicating a normal response. However, when the left eye was touched, it did not blink, suggesting a lack of response. This indicates that there is a dysfunction in the left facial nerve, leading to the conclusion that the patient exhibited paralysis of the left facial nerve.

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  • 14. 

    The patient was brought to the emergency room coughing violently, and complaining that she had a bug in her ear. On examination, a large, common household insect was found lodged in her ear. After forceps removal of the creature and bathing of the external ear canal, together with the administration of a sedative, the patient's violent coughing ceased. The nerve fibers carrying the sensory input from the ear canal irritation, AND the nucleus or ganglion containing the motor neurons responsible for the spasmodic contraction of pharyngeal and laryngeal musculature were the ...

    • Auricular branches of the vagus and the nucleus ambiguus

    • Branches of the auriculotemporal nerve and the trigeminal ganglion

    • Sensory fibers of the glossopharyngeal nerve and the inferior salivatory nucleus

    • Posterior auricular branches of the facial nerve and the geniculate ganglion

    • Pharyngeal branches of the vagus nerve and the nucleus solitarius

    Correct Answer
    A. Auricular branches of the vagus and the nucleus ambiguus
    Explanation
    The auricular branches of the vagus nerve carry sensory input from the ear canal irritation, while the nucleus ambiguus contains the motor neurons responsible for the spasmodic contraction of pharyngeal and laryngeal musculature. Therefore, the auricular branches of the vagus and the nucleus ambiguus are the correct answer as they are involved in both the sensory input from the ear canal irritation and the motor response of coughing.

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  • 15. 

    Several attempts had been made to stop the bleeding from Kiesselbach's area of the patient's nose, including application of silver nitrate and cauterization. At times, she was in danger of fatal aspiration of blood. The bleeding was stopped finally by a combination of anterior and posterior nosepacks. Epistaxis (nosebleed) can be an important source of loss of blood, when it cannot be stopped. This is due in large part to the number of arteries that supply the area of the nasal septum. Arteries which provide branches to the anterior inferior part of the nasal septum include the ...

    • Branches of the sphenopalatine artery and a branch derived from the facial artery

    • Posterior ethmoidal artery, branches of the lesser palatine

    • Ascending pharyngeal artery, dorsal branches of the lingual artery

    • Infraorbital artery branches, lateral nasal branches of angular artery

    • Supratrochlear arterial branches, pharyngeal branches of maxillary artery and posterior ethmoidal

    Correct Answer
    A. Branches of the sphenopalatine artery and a branch derived from the facial artery
    Explanation
    Epistaxis, or nosebleed, can be difficult to stop due to the numerous arteries that supply the nasal septum. In this case, the bleeding was finally stopped by using a combination of anterior and posterior nosepacks. The arteries that provide branches to the anterior inferior part of the nasal septum include branches of the sphenopalatine artery and a branch derived from the facial artery. These arteries are likely responsible for the persistent bleeding and were effectively addressed by the nosepacks.

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  • 16. 

    Which of the following statements is NOT TRUE?

    • The mandibular division of the trigeminal nerve is the only division which supplies skeletal muscles

    • The facial nerve does not supply sensation to the cheek

    • The platysma muscle receives its motor supply from neurons derived from C2, C3 which are carried by the transverse cervical and greater auricular nerves

    • The buccal branch of the trigeminal nerve does not provide motor supply to the buccinator muscle

    • Bell's palsy is not usually associated with physical pain

    Correct Answer
    A. The platysma muscle receives its motor supply from neurons derived from C2, C3 which are carried by the transverse cervical and greater auricular nerves
    Explanation
    The statement that is NOT TRUE is that the platysma muscle receives its motor supply from neurons derived from C2, C3 which are carried by the transverse cervical and greater auricular nerves.

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  • 17. 

    Regarding the parotid salivary gland, which of the following statements is INCORRECT?

    • The posterior surface of the parotid gland is in contact with the sternocleidomastoid muscle

    • The parotid duct empties opposite the second upper molar tooth

    • This is the gland that is infected in mumps

    • The parotid gland is invested with dense connective tissue so that any swelling of the gland results in pain

    • A lesion of the facial nerve at the stylomastoid foramen results in interruption of the nerve supply to the parotid and secretion is reduced

    Correct Answer
    A. A lesion of the facial nerve at the stylomastoid foramen results in interruption of the nerve supply to the parotid and secretion is reduced
    Explanation
    The given statement is incorrect because a lesion of the facial nerve at the stylomastoid foramen does not result in reduced secretion of the parotid gland. The facial nerve is responsible for innervating the parotid gland and stimulating saliva production. If the nerve is interrupted at the stylomastoid foramen, it would result in paralysis of the muscles of facial expression, but it would not directly affect the secretion of the parotid gland.

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  • 18. 

    Select the TRUE statement regarding the neck:

    • The axillary sheath that surrounds the brachial plexus is derived from the prevertebral fascia of the neck

    • Torticollis results from injury to the facial nerve

    • The platysma is ensheathed (covered) by the cervical investing fascia

    • If a sternocleidomastoid muscle is paralyzed, there will be weakness in turning the head to the side of the paralyzed muscle

    • The first rib provides the base for the posterior cervical triangle

    Correct Answer
    A. The axillary sheath that surrounds the brachial plexus is derived from the prevertebral fascia of the neck
    Explanation
    The axillary sheath that surrounds the brachial plexus is derived from the prevertebral fascia of the neck. This means that the fascia surrounding the brachial plexus originates from the fascia located in front of the vertebrae in the neck. This is important because the brachial plexus is a network of nerves that innervates the upper limb, and the axillary sheath provides protection and support to these nerves. Understanding the origin and structure of the axillary sheath is essential for understanding the anatomy and function of the brachial plexus.

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  • 19. 

    Select the INCORRECT statement regarding the facial blood vessels

    • The retromandibular vein is formed by the superficial temporal and maxillary veins

    • The pulse felt over the zygomatic arch, in front of the ear, is that of the superficial temporal and maxillary veins

    • The facial vein most commonly drains into the external jugular vein

    • The facial artery arises from the external carotid

    • Infected facial venous blood can get into intracranial veins (the cavernous sinus, for instance) by way of the ophthalmic vein

    Correct Answer
    A. The facial vein most commonly drains into the external jugular vein
    Explanation
    The correct answer is that the facial vein most commonly drains into the external jugular vein. This means that the facial vein does not typically drain into the external jugular vein, which is an incorrect statement. The facial vein actually drains into the internal jugular vein.

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  • 20. 

    An 11‑year‑old boy who fell off his bike was taken to the pediatrician after developing a black eye. X‑ray reveals that he has an epicranial hematoma which is located:

    • Between the dense connective tissue layer and the epicranial aponeurosis

    • In the fourth or loose connective tissue layer of the scalp

    • Between the skull and the dura

    • In the dense connective tissue layer of the scalp

    • Between dura and subarachnoid meningeal layers

    Correct Answer
    A. In the fourth or loose connective tissue layer of the scalp
    Explanation
    The correct answer is "In the fourth or loose connective tissue layer of the scalp." An epicranial hematoma is a collection of blood that forms between the scalp and the skull. The scalp has five layers, and the fourth layer is known as the loose connective tissue layer. This is where the hematoma would be located in this case.

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  • 21. 

    The fascia of the neck are important in spread of infections, blood, anesthetic agents and also in operative approaches. Among the characteristics of the superficial investing fascia is that it ...

    • Encloses the platysma muscle

    • Covers, and surrounds the viscera of the neck, including the larynx and pharynx

    • Covers the ventral surface of the anterior scalene muscle and long thoracic nerve

    • Provides the anterior boundary of the "danger space" of the neck

    • Ensheathes (surrounds) and passes between the trapezius and the sternocleidomastoid muscles

    Correct Answer
    A. Ensheathes (surrounds) and passes between the trapezius and the sternocleidomastoid muscles
    Explanation
    The correct answer is that the superficial investing fascia of the neck ensheathes (surrounds) and passes between the trapezius and the sternocleidomastoid muscles. This means that it forms a sheath or covering around these muscles and also passes between them. This characteristic is important to note because it helps to understand the anatomical relationship and location of the fascia in the neck.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 14, 2012
    Quiz Created by
    Chachelly

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