Head And Neck Anatomy Toughest Quiz!

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  • 1/326 Questions

    The cerebral cranium is composed of………. bones:

    • 8
    • 7
    • 9
    • 10
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About This Quiz

Dive into the complexities of head and neck anatomy with our challenging quiz! Assess your knowledge on skull structure, cerebral cranium, and facial cranium bones. Perfect for medical students and professionals seeking to sharpen their anatomical skills.

Head And Neck Anatomy Toughest Quiz! - Quiz

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  • 2. 

    The paired bones of cerebral cranium are:

    • Parietal and Temporal

    • Frontal and Temporal

    • Sphenoid and Ethmoid

    • Occipital and Parietal

    Correct Answer
    A. Parietal and Temporal
    Explanation
    The paired bones of the cerebral cranium are the parietal and temporal bones. The parietal bones form the upper sides and roof of the cranium, while the temporal bones are located on the sides and base of the cranium. These bones work together to provide protection and support for the brain, as well as to help form the shape of the skull.

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  • 3. 

    The smallest bone of the skull is:

    • Lacrimal

    • Zygoma

    • Palatine

    • Mandible

    Correct Answer
    A. Lacrimal
    Explanation
    The correct answer is Lacrimal. The lacrimal bone is the smallest bone of the skull. It is located in the inner corner of the eye socket and forms a part of the orbit. The lacrimal bone is thin and fragile, and its main function is to house the tear ducts, which drain tears from the eyes into the nasal cavity.

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  • 4. 

    How many foramens are in the mandible:

    • 2 foramens, Mandibular and Mental foramens

    • 2 foramens, Mandibular and infra-orbital foramens

    • 2 foramens, Mandibular and Incisive foramens

    • 2 foramens, Mental and Incisive foramens

    Correct Answer
    A. 2 foramens, Mandibular and Mental foramens
    Explanation
    The mandible, or jawbone, has two foramens: the Mandibular foramen and the Mental foramen. The Mandibular foramen is located on the inner surface of the mandible and allows for the passage of nerves and blood vessels. The Mental foramen is located on the outer surface of the mandible, near the chin, and also allows for the passage of nerves and blood vessels.

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  • 5. 

    Meninges is formed by:

    • All of them

    • Pia Mater

    • Dura Mater

    • Arachnoid Mater

    Correct Answer
    A. All of them
    Explanation
    The meninges is the protective covering of the brain and spinal cord. It is formed by three layers: the pia mater, dura mater, and arachnoid mater. The pia mater is the innermost layer, closely adhering to the brain and spinal cord. The dura mater is the tough, outermost layer. The arachnoid mater is the middle layer, located between the pia mater and the dura mater. Therefore, the correct answer is "All of them" as all three layers contribute to the formation of the meninges.

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  • 6. 

    There are…………pairs of Cranial Nerves:

    • 12

    • 9

    • 10

    • 11

    Correct Answer
    A. 12
    Explanation
    The correct answer is 12 because there are 12 pairs of cranial nerves in the human body. These nerves emerge directly from the brain and are responsible for various functions such as sensory perception, motor control, and autonomic functions. Each pair of cranial nerves is associated with specific regions and functions of the head and neck.

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  • 7. 

    The following sensory nerve is:

    • Olfactory (CN I)

    • Vagus (CN X)

    • Trigeminal (CN V)

    • Oculomotor (CN III)

    Correct Answer
    A. Olfactory (CN I)
    Explanation
    The correct answer is Olfactory (CN I). The olfactory nerve is responsible for our sense of smell. It carries sensory information from the olfactory epithelium in the nasal cavity to the brain. This nerve is unique because it is the only cranial nerve that directly connects to the cerebrum, bypassing the thalamus. Its primary function is to detect and transmit information about different odors to the brain, allowing us to perceive and distinguish various smells.

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  • 8. 

    The following mixed nerve is:

    • Trigeminal (CN V)

    • Olfactory( CN I)

    • Abducens ( CN VI)

    • Optic ( CN II)

    Correct Answer
    A. Trigeminal (CN V)
    Explanation
    The correct answer is Trigeminal (CN V). The question is asking for the mixed nerve among the options provided. The Trigeminal nerve is a mixed nerve that contains both sensory and motor fibers. It is responsible for transmitting sensory information from the face, as well as controlling the muscles involved in chewing. The other options listed, Olfactory (CN I), Abducens (CN VI), and Optic (CN II), are all cranial nerves but they are not mixed nerves. Olfactory nerve is responsible for the sense of smell, Abducens nerve controls the lateral rectus muscle of the eye, and Optic nerve is responsible for vision.

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  • 9. 

    The following mixed nerve is:

    • Vagus (CN X)

    • Oculomotor ( CN III)

    • Trochlear (CN IV)

    • Abducens ( CN VI)

    Correct Answer
    A. Vagus (CN X)
    Explanation
    The correct answer is Vagus (CN X). The vagus nerve is a mixed nerve that contains both sensory and motor fibers. It is the longest cranial nerve and has multiple functions, including regulating the heart rate, controlling the muscles of the gastrointestinal tract, and providing sensory information from the throat, larynx, and thoracic and abdominal organs. The other options listed, Oculomotor (CN III), Trochlear (CN IV), and Abducens (CN VI), are all motor nerves that primarily control eye movements.

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  • 10. 

    Sensation of the posterior third of tongue is from:

    • Glossopharyngeal nerve

    • Trigeminal nerve

    • Facial nerve

    • Hypoglossal nerve

    Correct Answer
    A. Glossopharyngeal nerve
    Explanation
    The glossopharyngeal nerve is responsible for the sensation of the posterior third of the tongue. This nerve carries sensory information from the tongue, as well as other structures in the throat and the back of the tongue. The trigeminal nerve is responsible for the sensation of the anterior two-thirds of the tongue, while the facial nerve controls taste sensation in the front two-thirds of the tongue. The hypoglossal nerve is responsible for motor control of the tongue.

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  • 11. 

    Medial Rectus muscle is innervated by:

    • CN III

    • CN IV

    • CN V

    • CN VI

    Correct Answer
    A. CN III
    Explanation
    The medial rectus muscle is responsible for inward eye movement, and it is innervated by the oculomotor nerve (CN III). This nerve controls the majority of the eye's movements, including the medial rectus muscle, which helps to adduct the eye. CN IV innervates the superior oblique muscle, CN V innervates the muscles of mastication, and CN VI innervates the lateral rectus muscle. Therefore, the correct answer is CN III.

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  • 12. 

    What is the outer layer of the eyeball?:

    • Cornea and sclera

    • Choroid, ciliary body and iris

    • Retina

    • Bipolar cells

    Correct Answer
    A. Cornea and sclera
    Explanation
    The outer layer of the eyeball is composed of the cornea and sclera. The cornea is the transparent front part of the eye that covers the iris and pupil, while the sclera is the white, tough, and fibrous outer layer that protects the eye. Together, the cornea and sclera provide structural support and help maintain the shape of the eyeball.

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  • 13. 
    A is ………………………….: - ProProfs

    A is ………………………….:

    • Frontal bone

    • Nasal Bone

    • Mandible

    • Zygoma

    Correct Answer
    A. Frontal bone
    Explanation
    The correct answer is the frontal bone. The frontal bone is a cranial bone located at the front of the skull. It forms the forehead and the upper part of the eye sockets. It also contributes to the structure of the nasal cavity and the roof of the orbits. The other options listed, such as the nasal bone, mandible, and zygoma, are all facial bones and not part of the frontal bone.

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  • 14. 
    A is ………………………….: - ProProfs

    A is ………………………….:

    • Ethmoid bone

    • Frontal bone

    • Zygoma

    • Maxillae

    Correct Answer
    A. Ethmoid bone
    Explanation
    The ethmoid bone is the correct answer because it is one of the bones listed and it is the most likely option based on its location and function. The ethmoid bone is located in the skull between the eyes and helps form the nasal cavity, eye sockets, and part of the cranial floor. It is a complex bone with multiple thin plates and is involved in various functions including supporting the nasal passages and providing attachment for the membranes of the brain.

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  • 15. 
    A is ………………………….: - ProProfs

    A is ………………………….:

    • Lacrimal bone

    • Frontal bone

    • Mandible

    • Parietal bone

    Correct Answer
    A. Lacrimal bone
    Explanation
    The lacrimal bone is a small, thin bone located in the front part of the medial wall of the orbit. It is responsible for forming a part of the lacrimal apparatus, which includes the tear ducts and helps in the production and drainage of tears. The other options, frontal bone, mandible, and parietal bone, are all larger bones that have different functions and locations in the skull. Therefore, the correct answer is lacrimal bone.

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  • 16. 
    A is ………………………….: - ProProfs

    A is ………………………….:

    • Inferior Nasal Conchae

    • Vomer

    • Maxilla

    • Zygoma

    Correct Answer
    A. Inferior Nasal Conchae
    Explanation
    The correct answer is Inferior Nasal Conchae. The inferior nasal conchae are thin, curved bones located inside the nasal cavity. They help to increase the surface area of the nasal cavity, which aids in the warming, humidifying, and filtering of inhaled air. The other options, Vomer, Maxilla, and Zygoma, are all bones of the skull but are not specifically related to the nasal cavity.

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  • 17. 
    A is ………………………….: - ProProfs

    A is ………………………….:

    • Vomer

    • Mandible

    • Frontal bone

    • Lacrimal bone

    Correct Answer
    A. Vomer
    Explanation
    The correct answer is Vomer. The question is asking for the bone that is represented by the letter A. Out of the given options, the only bone that starts with the letter V is the Vomer. Therefore, the correct answer is Vomer.

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  • 18. 
    A is ………………………….: - ProProfs

    A is ………………………….:

    • Mandible

    • Maxilla

    • Zygoma

    • Temporal bone

    Correct Answer
    A. Mandible
    Explanation
    The mandible is the correct answer because it is the only bone mentioned that is part of the lower jaw. The maxilla, zygoma, and temporal bone are all located in the skull but are not part of the lower jaw. Therefore, the mandible is the only bone that fits the given description.

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  • 19. 
    A is ………………………….: - ProProfs

    A is ………………………….:

    • Maxilla

    • Mandible

    • Zygoma

    • Temporal bone

    Correct Answer
    A. Maxilla
    Explanation
    The maxilla is the correct answer because it is one of the bones listed in the options. The other options, mandible, zygoma, and temporal bone, are also bones of the skull, but they are not the correct answer in this case.

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  • 20. 
    6 is……………………….: - ProProfs

    6 is……………………….:

    • Squamous suter

    • Coronal suture

    • Lamdoidal suture

    • Sagittal suture

    Correct Answer
    A. Squamous suter
  • 21. 
    4 is ………………………….: - ProProfs

    4 is ………………………….:

    • Lamdoidal suture

    • Coronal suture

    • Sagittal suture

    • Squamous suture

    Correct Answer
    A. Lamdoidal suture
    Explanation
    The correct answer is Lamdoidal suture. This suture is located at the back of the skull, where the parietal bones meet the occipital bone. It is named after its resemblance to the Greek letter "lambda" (Λ). The lambdoidal suture is important for connecting and stabilizing the bones of the skull, providing protection for the brain.

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  • 22. 
    A, B and C are…………………………………………: - ProProfs

    A, B and C are…………………………………………:

    • Pupil, Iris and Sclera

    • Inferior Palpebra, Superior Palpebra and Eyelashes

    • Eyebrow, Eyelashes and Pupil

    • Sclera, Inferior Palpebra and Superior Palpebra

    Correct Answer
    A. Pupil, Iris and Sclera
    Explanation
    The correct answer is Pupil, Iris, and Sclera. These are the parts of the eye. The pupil is the black circular opening in the center of the iris, which controls the amount of light entering the eye. The iris is the colored part of the eye surrounding the pupil, and it controls the size of the pupil. The sclera is the white outer layer of the eye that provides protection and support.

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  • 23. 
    A is …………………………..: - ProProfs

    A is …………………………..:

    • Lacrimal Gland

    • Lacrimal Puncta

    • Lacrimal Canaliculi

    • Lacrimal sac

    Correct Answer
    A. Lacrimal Gland
    Explanation
    The lacrimal gland is responsible for producing tears, which help to keep the eyes lubricated and free from debris. It is located in the upper outer corner of the eye socket and releases tears onto the surface of the eye through small ducts. The other options mentioned (lacrimal puncta, canaliculi, and sac) are all part of the lacrimal drainage system, which helps to drain tears away from the eye and into the nasal cavity. However, the lacrimal gland itself is the main producer of tears.

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  • 24. 

    Maxillary sinuses have the following functions:

    • All of them

    • Reduce weight of skull

    • Serve as resonating chambers for sound production

    • Increase surface area for warming and humidifying inspired air

    Correct Answer
    A. All of them
    Explanation
    The maxillary sinuses have multiple functions. They help to reduce the weight of the skull by providing air-filled spaces. They also serve as resonating chambers for sound production, enhancing the quality of voice. Additionally, the maxillary sinuses increase the surface area for warming and humidifying inspired air, aiding in the respiratory process. Therefore, all of the given options correctly describe the functions of the maxillary sinuses.

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  • 25. 

    Which statement is NOT TRUE:

    • Maxillary sinus is the smallest paranasal sinuses and already present at birth.

    • Ethmoidal sinus consists of anterior, middle, and posterior ethmoidal air cells.

    • Maxillary sinus are innervated by V1 and V2 of Trigeminal nerve.

    • The lateral part of sphenoidal sinuses has relationship with carvenous sinus and internal carotid artery.

    Correct Answer
    A. Maxillary sinus is the smallest paranasal sinuses and already present at birth.
    Explanation
    The statement "Maxillary sinus is the smallest paranasal sinuses and already present at birth" is not true. The maxillary sinus is actually the largest of the paranasal sinuses, and it develops and grows with age. It is not present at birth but rather forms as the facial bones develop.

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  • 26. 
    A is…………………………….. - ProProfs

    A is……………………………..

    • Frontal sinus

    • Ethmoidal sinus

    • Sphenoidal sinus

    • Maxillary sinus

    Correct Answer
    A. Frontal sinus
    Explanation
    The frontal sinus is one of the four pairs of sinuses located in the human skull. It is situated in the frontal bone, which is located in the forehead area. The other three sinuses mentioned in the options (ethmoidal sinus, sphenoidal sinus, and maxillary sinus) are also pairs of sinuses but are located in different parts of the skull. Therefore, the correct answer is the frontal sinus.

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  • 27. 

    There are three types of mucous membrane of the tongue such as filiformpapillae, vallate papillae and …… papillae.

    • Fungiform

    • Tongue tie

    • Lingual nerve

    • Tensor veli palatini muscle

    Correct Answer
    A. Fungiform
    Explanation
    The correct answer is "fungiform" because the question is asking for the third type of mucous membrane of the tongue, and the options provided are different types of papillae. The filiform papillae and vallate papillae are already mentioned, so the missing type must be the fungiform papillae.

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  • 28. 

    3 branches of lingual artery are

    • Deep lingual artery, dorsal lingual artery, and sublingual artery

    • Deep lingual artery

    • Dorsal lingual artery

    • Sublingual artery

    Correct Answer
    A. Deep lingual artery, dorsal lingual artery, and sublingual artery
    Explanation
    The three branches of the lingual artery are the deep lingual artery, the dorsal lingual artery, and the sublingual artery. These branches supply blood to different areas of the tongue and surrounding structures. The deep lingual artery runs deep within the tongue and supplies blood to the posterior part of the tongue. The dorsal lingual artery runs along the dorsal surface of the tongue and supplies blood to the back and sides of the tongue. The sublingual artery supplies blood to the floor of the mouth and the sublingual gland.

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  • 29. 
    A is…………………………….. - ProProfs

    A is……………………………..

    • Mental foramen

    • Infraorbital foramen

    • Supraorbital foramen

    • Mandibular foramen

    Correct Answer
    A. Mental foramen
    Explanation
    The mental foramen is a small opening located on the lower jaw, specifically on the mandible. It is responsible for the passage of the mental nerve and blood vessels. This foramen is important for sensory innervation of the lower lip, chin, and gingiva. The other options, infraorbital foramen, supraorbital foramen, and mandibular foramen, are all openings in different areas of the skull, but they do not serve the same function as the mental foramen. Therefore, the correct answer is mental foramen.

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  • 30. 
    A is…………………………….. - ProProfs

    A is……………………………..

    • Maxillae

    • Mandible

    • Palatine bone

    • Zygoma

    Correct Answer
    A. Maxillae
    Explanation
    The maxillae is the correct answer because it is a bone that forms the upper jaw and is responsible for supporting the upper teeth. It also contributes to the formation of the nasal cavity, orbits, and the roof of the mouth. The mandible is the lower jaw bone, the palatine bone is located in the roof of the mouth, and the zygoma is a bone that forms part of the cheekbone.

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  • 31. 
    A is…………………………….. - ProProfs

    A is……………………………..

    • Nasal bone

    • Lacrimal bone

    • Ethmoid bone

    • Sphenoid bone

    Correct Answer
    A. Nasal bone
    Explanation
    The correct answer is Nasal bone. The question is asking for the bone that is represented by the letter "A". Among the given options, the nasal bone is the only one that matches.

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  • 32. 

    Which of the following is NOT a part of pharynx?

    • Salpingopharynx

    • Nasopharynx

    • Oropharynx

    • Laryngopharynx

    Correct Answer
    A. Salpingopharynx
    Explanation
    The pharynx is a muscular tube that connects the nasal cavity and mouth to the esophagus and larynx. It is divided into three parts: nasopharynx, oropharynx, and laryngopharynx. The salpingopharynx is not a part of the pharynx. It is a small tubular structure that connects the pharynx to the middle ear.

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  • 33. 
    Identify the structure. - ProProfs

    Identify the structure.

    • Epiglottis

    • Thyroid cartilage

    • Cricoid cartilage

    • Arytenoid cartilage

    Correct Answer
    A. Epiglottis
    Explanation
    The given options are all structures related to the throat. The epiglottis is a flap of cartilage located at the base of the tongue that prevents food and drink from entering the windpipe during swallowing. The other options, such as the thyroid cartilage, cricoid cartilage, and arytenoid cartilage, are also cartilaginous structures found in the throat, but they have different functions. Therefore, the correct answer is the epiglottis.

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  • 34. 

    Larynx is supplied by

    • All are correct

    • Superior laryngeal artery

    • Inferior laryngeal artery

    • All are incorrect

    Correct Answer
    A. All are correct
    Explanation
    The larynx is supplied by both the superior laryngeal artery and the inferior laryngeal artery. These arteries provide the necessary blood supply to the larynx for its proper functioning. Therefore, all the options provided are correct.

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  • 35. 

    Masseteric muscle is innervated by

    • Masseteric nerve

    • Deep temporal nerve

    • Pterygoid nerve

    • Posterior auricular nerve

    Correct Answer
    A. Masseteric nerve
    Explanation
    The masseteric muscle is responsible for elevating the mandible during chewing. It receives its innervation from the masseteric nerve, which is a branch of the mandibular division of the trigeminal nerve (cranial nerve V). The deep temporal nerve innervates the temporalis muscle, the pterygoid nerve innervates the pterygoid muscles, and the posterior auricular nerve innervates the posterior auricular muscle. Therefore, the correct answer is Masseteric nerve.

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  • 36. 

    Which is the facial expression muscle around the eye?

    • Orbicularis oculi

    • Nasalis muscle

    • Frontalis muscle

    • Procerus muscle

    Correct Answer
    A. Orbicularis oculi
    Explanation
    The correct answer is Orbicularis oculi. The Orbicularis oculi is a facial expression muscle that surrounds the eye. It is responsible for closing the eyelids and helps in various facial expressions such as blinking, squinting, and winking. The Nasalis muscle is responsible for flaring the nostrils, the Frontalis muscle is responsible for raising the eyebrows, and the Procerus muscle is responsible for wrinkling the skin between the eyebrows.

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  • 37. 

    Which is the facial expression muscle around the nose?

    • Nasalis

    • Orbicularis oculi

    • Orbicularis oris

    • Mentalis

    Correct Answer
    A. Nasalis
    Explanation
    The Nasalis muscle is the correct answer because it is the facial expression muscle that is specifically located around the nose. It is responsible for movements such as flaring the nostrils and compressing the nasal cartilage. The other options, Orbicularis oculi, Orbicularis oris, and Mentalis, are muscles responsible for different facial expressions and are not specifically associated with the nose.

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  • 38. 
    A is ………………………….. - ProProfs

    A is …………………………..

    • Mentalis

    • Orbicularis oris

    • Depressor labii inferioris

    • Buccinator

    Correct Answer
    A. Mentalis
    Explanation
    The question lists four different muscles: Mentalis, Orbicularis oris, Depressor labii inferioris, and Buccinator. The correct answer is Mentalis.

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  • 39. 

    Vocal fold is relaxed by ………………. muscle.:

    • Vocalis

    • Cricothyroid

    • Arytenoid muscle

    • Thyroid muscle

    Correct Answer
    A. Vocalis
    Explanation
    The vocal fold is relaxed by the vocalis muscle. This muscle is responsible for controlling the tension of the vocal folds, allowing them to vibrate and produce sound. When the vocalis muscle is relaxed, the vocal folds are in a resting position, ready to be engaged for speech or singing. The cricothyroid muscle is responsible for increasing the tension of the vocal folds, while the arytenoid muscle controls their position and movement. The thyroid muscle does not directly affect the relaxation or tension of the vocal fold.

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  • 40. 

    Connective tissue contains:

    • Nerves and blood vessels

    • Aponeurosis

    • Ligaments

    • Glands

    Correct Answer
    A. Nerves and blood vessels
    Explanation
    Connective tissue is a type of tissue that provides support and structure to the body. It is made up of cells and extracellular matrix, which includes fibers and ground substance. Connective tissue does not contain glands, as glands are specialized structures that produce and secrete substances. However, connective tissue does contain nerves and blood vessels. Nerves transmit signals throughout the body, allowing for communication between different parts, while blood vessels supply oxygen and nutrients to the tissues. Therefore, the correct answer is nerves and blood vessels.

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  • 41. 

    Three longitudinal muscles of Pharynx are :

    • All of them

    • Palatopharyngeus

    • Salpingopharyngeus

    • Styopharyngeus

    Correct Answer
    A. All of them
    Explanation
    The correct answer is "All of them" because the question asks for the three longitudinal muscles of the pharynx, and all three muscles listed - Palatopharyngeus, Salpingopharyngeus, and Styopharyngeus - are indeed longitudinal muscles of the pharynx.

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  • 42. 

    All three constrictor muscles of Pharynx are:

    • All of them

    • Superior constrictor

    • Middle constrictor

    • Inferior constrictor

    Correct Answer
    A. All of them
    Explanation
    The correct answer is "All of them" because the question is asking for the three constrictor muscles of the Pharynx, and the options provided include all three muscles: Superior constrictor, Middle constrictor, and Inferior constrictor.

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  • 43. 

    The skull is composed of……… bones:

    • 22

    • 20

    • 21

    • 23

    Correct Answer
    A. 22
    Explanation
    The skull is composed of 22 bones. The human skull is made up of several bones that are fused together to form a protective structure for the brain. These bones include the frontal bone, parietal bones, temporal bones, occipital bone, sphenoid bone, and ethmoid bone. Together, these bones create a solid structure that protects the delicate brain and also provides attachment points for muscles involved in chewing, speaking, and facial expressions.

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  • 44. 

    The single bones of facial cranium:

    • Vomer and Mandible

    • Maxilla and Zygomatic bone

    • Nasal bone and Inferior Nasal Concha

    • Lacrimal bone and Palatine bone

    Correct Answer
    A. Vomer and Mandible
    Explanation
    The correct answer is Vomer and Mandible. The vomer is a single bone that forms the lower part of the nasal septum, separating the left and right nasal cavities. The mandible, also known as the jawbone, is the only movable bone in the skull and forms the lower jaw. These two bones are part of the facial cranium and play important roles in the structure and function of the face.

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  • 45. 

    The bone that has Supraorbital Foramen is:

    • Frontal Bone

    • Parietal Bones

    • Maxillae

    • Zygoma

    Correct Answer
    A. Frontal Bone
    Explanation
    The supraorbital foramen is a small opening located above the eye socket, through which the supraorbital nerve and artery pass. The frontal bone is the bone that forms the forehead and the upper part of the eye socket. It is also responsible for housing the supraorbital foramen. Therefore, the correct answer is the frontal bone.

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  • 46. 

    Foramen Magnum is:

    • A large hole allowing passage of the spinal cord

    • A hole on the Temporal Bone

    • A landmark on the Sphenoid Bone

    • A superior and inferior line running laterally from the midline

    Correct Answer
    A. A large hole allowing passage of the spinal cord
    Explanation
    The foramen magnum is a large hole located at the base of the skull that allows for the passage of the spinal cord. It is the opening through which the spinal cord connects to the brain. This structure is crucial for the communication between the brain and the rest of the body, as it provides a pathway for the transmission of nerve signals.

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  • 47. 

    Infra-orbital foramen is on:

    • Maxilla

    • Zygoma

    • Palatine bone

    • Nasal Bone

    Correct Answer
    A. Maxilla
    Explanation
    The infra-orbital foramen is located on the maxilla bone. The maxilla is a facial bone that forms the upper jaw and contains the sockets for the upper teeth. The infra-orbital foramen is a small opening located below the eye socket, through which the infra-orbital nerve and blood vessels pass. This nerve provides sensation to the skin of the lower eyelid, upper lip, and part of the cheek. Therefore, the correct answer is Maxilla.

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  • 48. 

    The most fragile bone of the face is:

    • Lacrimal Bone

    • Palatine bone

    • Mandible

    • Maxilla

    Correct Answer
    A. Lacrimal Bone
    Explanation
    The lacrimal bone is the most fragile bone of the face because it is a small, thin bone located in the medial wall of the orbit (eye socket). It is responsible for housing the tear ducts and providing support to the eye. Due to its delicate structure and location, it is more prone to fractures and damage compared to the other bones of the face.

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  • 49. 

    Blood supply of the face and scalp:

    • All of them

    • Ophthalmic artery and Maxillary artery

    • Facial Artery and Superficial temporal artery

    • Posterior auricular artery and Occipital artery

    Correct Answer
    A. All of them
    Explanation
    The blood supply of the face and scalp is provided by multiple arteries, including the ophthalmic artery, maxillary artery, facial artery, superficial temporal artery, posterior auricular artery, and occipital artery. These arteries ensure that the face and scalp receive a sufficient blood supply to nourish the tissues and maintain their normal function.

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