Mouth Multiple Choice Questions PDF

Memrizz Mouth Multiple Choice Questions Which cranial nerve innervates the tensor veli palatini muscle? a) Cranial Nerve IX (Glossopharyngeal) b) Cranial Nerve V (Trigeminal - V3) c) Cranial Nerve X (Vagus) d) Cranial Nerve XII (Hypoglossal) Correct answer: Crani...

Memrizz Mouth Multiple Choice Questions Which cranial nerve innervates the tensor veli palatini muscle? a) Cranial Nerve IX (Glossopharyngeal) b) Cranial Nerve V (Trigeminal - V3) c) Cranial Nerve X (Vagus) d) Cranial Nerve XII (Hypoglossal) Correct answer: Cranial Nerve V (Trigeminal - V3) What is the primary motor function of the Glossopharyngeal nerve? a) Innervates the tongue b) Innervates the palatal muscles c) Innervates the stylopharyngeus muscle d) Innervates the tensor veli palatini Correct answer: Innervates the stylopharyngeus muscle Which cranial nerve is responsible for motor functions in the pharynx? a) Cranial Nerve X (Vagus) b) Cranial Nerve VII (Facial) c) Cranial Nerve III (Oculomotor) d) Cranial Nerve IX (Glossopharyngeal) Correct answer: Cranial Nerve X (Vagus) What structure does the Hypoglossal nerve innervate? a) The pharyngeal muscles b) The tongue c) The tensor veli palatini muscle d) The stylopharyngeus muscle Correct answer: The tongue Which nerve provides general sensory from the maxillary part? a) Trigeminal Nerve V3 b) Glossopharyngeal Nerve IX c) Vagus Nerve X d) Trigeminal Nerve V2 Correct answer: Trigeminal Nerve V2 What is the sensory function of the Trigeminal Nerve V3? a) Sensation from the hard palate b) Sensation from the upper row of teeth c) Taste from the anterior tongue d) Sensation from the lower row of teeth Correct answer: Sensation from the lower row of teeth Which nerve carries taste sensation from the anterior 2/3 of the tongue? a) Glossopharyngeal Nerve IX b) Vagus Nerve X c) Trigeminal Nerve V d) Facial Nerve VII Correct answer: Facial Nerve VII The Glossopharyngeal nerve provides taste sensation from which part of the tongue? a) Anterior 1/3 of the tongue b) Lower row of teeth c) Hard palate d) Posterior 1/3 of the tongue Correct answer: Posterior 1/3 of the tongue The Vagus nerve is responsible for sensory functions in which region? a) The anterior tongue b) The pharynx c) The upper row of teeth d) The tensor veli palatini muscle Correct answer: The pharynx What is a primary function of the cranial nerves in the mouth? a) Support blood flow to the mouth b) Control motor and sensory functions c) Regulate salivation process d) Control bone density in the jaw Correct answer: Control motor and sensory functions Which nerve innervates the sublingual gland? a) Glossopharyngeal Nerve (IX) b) Vagus Nerve (X) c) Trigeminal Nerve (V) d) Facial Nerve (VII) Correct answer: Facial Nerve (VII) What anatomical feature contains foramina for nerves? a) The hard palate b) The soft palate c) The tongue d) The uvula Correct answer: The hard palate Which foramen serves the nasal palatine nerve? a) Greater Palatine Foramen b) Lesser Palatine Foramen c) Incisive Foramen d) Alveolar Foramen Correct answer: Incisive Foramen What type of innervation does the greater palatine nerve provide? a) Only motor innervation b) Sensation and parasympathetic relay c) Sensory innervation only d) Blood supply Correct answer: Sensation and parasympathetic relay Which artery supplies blood to the soft palate? a) Ascending Palatine Artery b) Maxillary Artery c) Facial Artery d) Lingual Artery Correct answer: Ascending Palatine Artery What is the upper row of teeth called? a) Maxillary Row b) Mandibular Row c) Palatine Row d) Buccal Row Correct answer: Maxillary Row What function do anterior teeth serve? a) Chewing and grinding b) Biting and cutting c) Piercing and tearing d) Forming speech sounds Correct answer: Biting and cutting Which types of teeth are responsible for chewing? a) Incisors and canines b) Bicuspid and tricuspid c) Wisdom teeth only d) Premolars and molars Correct answer: Premolars and molars What describes incisors? a) Pointed teeth for tearing b) Rounded teeth for grinding c) Sharp teeth for piercing d) Flat teeth used for biting Correct answer: Flat teeth used for biting What are canines primarily used for? a) Piercing and tearing b) Biting and cutting c) Chewing and grinding d) Holding food in place Correct answer: Piercing and tearing What is the main function of premolars? a) They grind and crush food. b) They serve as replacement teeth. c) They are the hardest teeth in the body. d) They are larger than molars. Correct answer: They serve as replacement teeth. What type of teeth are molars considered? a) Replacement teeth. b) Simpler than premolars. c) Non-replacement teeth. d) Primarily for biting. Correct answer: Non-replacement teeth. What is the crown of the tooth? a) The part anchored in the jawbone. b) The visible surface exposed to the oral environment. c) The soft tissue at the tooth's center. d) The hard outer covering of the root. Correct answer: The visible surface exposed to the oral environment. What part of the tooth is anchored in the jawbone? a) The crown. b) The dentin. c) The root. d) The pulp cavity. Correct answer: The root. Which component covers the crown of the tooth? a) Enamel. b) Dentin. c) Pulp cavity. d) Root. Correct answer: Enamel. Why is enamel significant? a) It regenerates easily when lost. b) It is softer than dentin. c) It’s a type of blood vessel. d) It is the hardest substance in the body. Correct answer: It is the hardest substance in the body. What is dentin similar to? a) Bone. b) Enamel. c) Pulp cavity. d) Tooth enamel. Correct answer: Bone. What does the pulp cavity contain? a) Nerves and blood vessels. b) Only enamel. c) Only dentin. d) Only tooth root. Correct answer: Nerves and blood vessels. What is the purpose of the directional scheme in dental anatomy? a) To describe the orientation of teeth. b) To list tooth types. c) To illustrate tooth growth. d) To explain tooth loss. Correct answer: To describe the orientation of teeth. What is a critical role of saliva? a) Crucial in the digestive process. b) Increases oral temperature. c) Cleanses the throat. d) Enhances taste efficiency. Correct answer: Crucial in the digestive process. Where is the sublingual gland located? a) Floor of the oral cavity. b) Side of the head. c) In the sinus cavity. d) Near the upper jaw. Correct answer: Floor of the oral cavity. Which nerve innervates the parotid gland? a) Trigeminal nerve. b) Glossopharyngeal nerve. c) Facial nerve. d) Vagus nerve. Correct answer: Glossopharyngeal nerve. What is the primary function of the tongue? a) Secreting digestive enzymes. b) Regulating oral pH levels. c) Manipulating food and articulating speech. d) Filtering bacteria in food. Correct answer: Manipulating food and articulating speech. What divides the body and root of the tongue? a) Foramen Cecum. b) Lingual Tonsils. c) Epiglottis. d) Terminal Sulcus. Correct answer: Terminal Sulcus. What structure is located at the back of the tongue? a) Lingual Tonsils. b) Ventral Surface. c) Fungiform Papillae. d) Epiglottis. Correct answer: Epiglottis. Where are palatal tonsils found? a) Inside the nasal cavity. b) Along the sides of the tongue. c) Between the two folds of the throat. d) At the base of the pharynx. Correct answer: Between the two folds of the throat. Which papillae have a rough texture? a) Filiform Papillae. b) Fungiform Papillae. c) Circumvallate Papillae. d) Foliate Papillae. Correct answer: Filiform Papillae. What is a characteristic of fungiform papillae? a) Flat and non-functional. b) Located only at the tongue's root. c) Primarily for texture sensation. d) Mushroom-shaped with numerous taste buds. Correct answer: Mushroom-shaped with numerous taste buds. Which type of papillae is involved in a territorial interaction among cranial nerves? a) Filiform Papillae. b) Circumvallate Papillae. c) Fungiform Papillae. d) Foliate Papillae. Correct answer: Circumvallate Papillae. Where are fungiform papillae located on the tongue? a) Posterior part of the tongue b) Middle section of the tongue c) Anterior part of the tongue d) Along the sides of the tongue Correct answer: Anterior part of the tongue What is the primary function of fungiform papillae? a) Provide texture to food b) Assist in food movement c) Contain taste buds d) Help with tongue strength Correct answer: Contain taste buds Where are foliate papillae found? a) Near the tip of the tongue b) Posterior part of the tongue c) On the underside of the tongue d) Along the midline of the tongue Correct answer: Posterior part of the tongue What is the function of foliate papillae? a) Assist with speech articulation b) Enhance flavor perception significantly c) Stimulate salivary gland secretion d) Contain some taste buds Correct answer: Contain some taste buds Where are circumvallate papillae located? a) On the anterior part of the tongue b) Mark the terminal sulcus of the tongue c) In the center of the tongue d) Spread throughout the whole tongue Correct answer: Mark the terminal sulcus of the tongue What is a key function of circumvallate papillae? a) Control tongue movement b) Involved in taste sensation c) Protect the tongue's surface d) Aid in temperature detection Correct answer: Involved in taste sensation Which papillae have a territorial interaction with cranial nerves? a) Circumvallate papillae b) Fungiform papillae c) Foliate papillae d) All types of papillae Correct answer: Circumvallate papillae What does the term 'mesial' refer to in dental anatomy? a) Towards the molars. b) Towards the tongue. c) Towards the midline or incisors. d) Towards the cheek. Correct answer: Towards the midline or incisors. Which term describes the direction towards the molars? a) Lingual. b) Labial. c) Distal. d) Mesial. Correct answer: Distal. In dental terminology, what does 'buccal' mean? a) Towards the cheek or lips. b) Towards the midline. c) Towards the molars. d) Towards the tongue. Correct answer: Towards the cheek or lips. What is the unique function of chewing in mammals? a) Facilitates the efficient breakdown of food. b) Helps in speech articulation. c) Involves only the incisors. d) Prevents teeth from contacting. Correct answer: Facilitates the efficient breakdown of food. Which component of saliva helps protect teeth? a) Breaks down food particles. b) Increases chewing efficiency. c) Aids in speech articulation. d) Allows teeth to contact without damage. Correct answer: Allows teeth to contact without damage. Where is the sublingual gland located? a) Side of the head. b) Above the tongue. c) Floor of the oral cavity. d) Behind the molars. Correct answer: Floor of the oral cavity. Which nerve innervates the submandibular gland? a) Facial nerve. b) Glossopharyngeal nerve. c) Vagus nerve. d) Trigeminal nerve. Correct answer: Facial nerve. What is the primary location of the parotid gland? a) Side of the head. b) Floor of the oral cavity. c) Under the tongue. d) Behind the incisors. Correct answer: Side of the head. What are the main functions of the tongue? a) Manipulating food and articulating speech. b) Facilitating tooth contact. c) Secreting saliva. d) Breaking down food particles. Correct answer: Manipulating food and articulating speech. How is the tongue structurally divided? a) Into three equal sections. b) The text does not provide specific details. c) Front and back parts. d) By a central groove. Correct answer: The text does not provide specific details. What cranial nerve provides general sensation to the anterior 2/3 of the tongue? a) Glossopharyngeal Nerve b) Chordotympani (Facial Nerve) c) Vagus Nerve d) Lingual Nerve (Trigeminal) Correct answer: Lingual Nerve (Trigeminal) Which cranial nerve is responsible for taste in the posterior 1/3 of the tongue? a) Lingual Nerve b) Hypoglossal Nerve c) Glossopharyngeal Nerve d) Chordotympani (Facial Nerve) Correct answer: Glossopharyngeal Nerve The Chordotympani nerve is associated with which aspect of the tongue? a) General sensation for epiglottis b) Taste for anterior 2/3 of the tongue c) General sensation for posterior 1/3 of the tongue d) Movement of the tongue Correct answer: Taste for anterior 2/3 of the tongue What function does the Vagus Nerve serve related to the tongue? a) General sensation in anterior 2/3 b) Movement of the tongue c) Protruding the tongue d) Taste in the epiglottis and pharynx Correct answer: Taste in the epiglottis and pharynx In medieval beliefs, which taste indicated a body problem linked to the facial nerve? a) Sweet taste b) Bitter or salty taste c) Sour taste d) Savory taste Correct answer: Bitter or salty taste Which cranial nerve is primarily responsible for tongue movement? a) Lingual Nerve b) Glossopharyngeal Nerve c) Hypoglossal Nerve d) Vagus Nerve Correct answer: Hypoglossal Nerve What is the primary function of the extrinsic muscles of the tongue? a) Move the tongue in relation to the mouth b) Change the shape of the tongue c) Control taste perception d) Provide general sensation Correct answer: Move the tongue in relation to the mouth Which muscle pulls the tongue back into the mouth? a) Styloglossus b) Hyoglossus c) Genioglossus d) Longitudinal muscles Correct answer: Styloglossus What is the function of the Hyoglossus muscle? a) Protrudes and depresses the tongue b) Moves the tongue sideways c) Retracts without depression d) Retracts and depresses the tongue Correct answer: Retracts and depresses the tongue Which muscles change the shape of the tongue within the mouth? a) Extrinsic muscles b) Hypoglossal muscles c) Intrinsic muscles d) Pharyngeal muscles Correct answer: Intrinsic muscles What do the longitudinal muscles of the tongue do? a) Pull the tongue back b) Protrude the tongue c) Make the tongue squish longitudinally d) Depress the tongue Correct answer: Make the tongue squish longitudinally What is the definition of the soft palate? a) A rigid structure in the mouth. b) A flexible tissue located behind the hard palate. c) A connective tissue in the throat. d) A bone structure in the roof of the mouth. Correct answer: A flexible tissue located behind the hard palate. What essential function does the soft palate perform during swallowing? a) Regulates the temperature of food. b) Filters air entering the lungs. c) Helps in the movement of food. d) Repels harmful bacteria from food. Correct answer: Helps in the movement of food. Which process does the soft palate assist with? a) Airflow regulation during breathing. b) Digestion of carbohydrates. c) Absorption of nutrients in the stomach. d) Mastication of food. Correct answer: Airflow regulation during breathing. What is a primary function of the tensor veli palatini muscle? a) Lowers the soft palate for breathing. b) Relaxes the uvula during speech. c) Contracts to tense the soft palate. d) Opens the esophagus for swallowing. Correct answer: Contracts to tense the soft palate. Which nerve supplies the tensor veli palatini muscle? a) The facial nerve. b) The glossopharyngeal nerve. c) The hypoglossal nerve. d) The trigeminal nerve (mandibular branch). Correct answer: The trigeminal nerve (mandibular branch). What mechanism does the tensor veli palatini utilize? a) A pulley-like mechanism for movement. b) An elastic mechanism for stretching. c) A sliding mechanism for flexibility. d) A rotating mechanism for control. Correct answer: A pulley-like mechanism for movement. Which structure does the tensor veli palatini muscle attach to? a) The auditory tube. b) The uvula. c) The hard palate. d) The pharyngeal wall. Correct answer: The auditory tube. What role does the levator veli palatini play? a) Lowers the soft palate for speaking. b) Tightens the uvula during swallowing. c) Elevates the soft palate by pulling it upward. d) Flattens the hard palate during chewing. Correct answer: Elevates the soft palate by pulling it upward. Which nerve innervates the levator veli palatini muscle? a) The trigeminal nerve. b) The facial nerve. c) The vagus nerve. d) The accessory nerve. Correct answer: The vagus nerve. What is the function of the musculus uvulae? a) Aids in the movement and positioning of the uvula. b) Strengthens the throat muscles. c) Decreases sensation in the throat. d) Tightens the oral mucosa. Correct answer: Aids in the movement and positioning of the uvula. Why is understanding the soft palate important? a) It's essential for taste perception. b) It's vital for jaw movement. c) It's crucial for proper oral function, including swallowing and speech. d) It's necessary for teeth alignment. Correct answer: It's crucial for proper oral function, including swallowing and speech. What connects the oral cavity to the pharynx? a) The larynx b) The esophagus c) The nasal cavity d) The fauces Correct answer: The fauces Which nerve innervates the palatopharyngeus muscle? a) Trigeminal nerve b) Glossopharyngeal nerve c) Phrenic nerve d) Vagus nerve Correct answer: Vagus nerve What is the function of the palatopharyngeus muscle? a) Regulates airflow only b) Flattens the tongue c) Elevates the larynx d) Helps to close the fauces Correct answer: Helps to close the fauces What muscle surrounds the palatoglossal fold? a) Palatoglossus b) Palatopharyngeus c) Mylohyoid d) Digastric Correct answer: Palatoglossus Which region of the pharynx is posterior to the nasal cavity? a) Oropharynx b) Laryngopharynx c) Hypopharynx d) Nasopharynx Correct answer: Nasopharynx The oropharynx is located posterior to which anatomical structure? a) Nasal cavity b) Larynx c) Oral cavity d) Pharynx Correct answer: Oral cavity What type of muscle composes the pharynx? a) Smooth muscle b) Cardiac muscle c) Striated muscle d) Skeletal muscle Correct answer: Striated muscle Which nerve innervates the oropharynx? a) Trigeminal nerve b) Glossopharyngeal nerve c) Vagus nerve d) Accessory nerve Correct answer: Glossopharyngeal nerve Where is the laryngopharynx located? a) Posterior and lateral to the larynx b) Anterior to the larynx c) Above the nostrils d) Inferior to the oropharynx Correct answer: Posterior and lateral to the larynx What action does the palatoglossus muscle perform upon contraction? a) Elevates the tongue b) Depresses the pharynx c) Closes the nasal passage d) Lowers the jaw Correct answer: Elevates the tongue What type of tissue primarily makes up the tonsils? a) Lymphoid tissue b) Muscular tissue c) Epithelial tissue d) Connective tissue Correct answer: Lymphoid tissue What is the primary function of the tonsils? a) Produce white blood cells to fight infection b) Digest food c) Filter air d) Secrete hormones Correct answer: Produce white blood cells to fight infection Where are the pharyngeal tonsils located? a) In the nasopharynx b) On the tongue c) In the oropharynx d) Along the auditory tube Correct answer: In the nasopharynx Which tonsils are situated along the auditory tube? a) Tubal tonsils b) Lingual tonsils c) Palatine tonsils d) Pharyngeal tonsils Correct answer: Tubal tonsils Identify the location of the lingual tonsils. a) In the oropharynx b) Along the auditory tube c) In the nasopharynx d) On the tongue Correct answer: On the tongue What is the primary role of the pharynx? a) Filter blood b) Assist in digestion c) Produce mucus d) Connect the nasal cavity and mouth to the esophagus Correct answer: Connect the nasal cavity and mouth to the esophagus Where is the nasopharynx located? a) Below the oropharynx b) Posterior to the nasal cavity c) In front of the mouth d) Above the larynx Correct answer: Posterior to the nasal cavity What significant structure is contained within the nasopharynx? a) Pharyngeal tonsil b) Laryngeal inlet c) Palatine tonsil d) Esophageal sphincter Correct answer: Pharyngeal tonsil What does the salpingo-palatine fold do? a) Connects to the larynx b) Closes off certain muscles c) Supports the pharyngeal tonsil d) Aids in swallowing Correct answer: Closes off certain muscles What region of the pharynx is located behind the oral cavity? a) Laryngopharynx b) Nasopharynx c) Oropharynx d) Auditory tube Correct answer: Oropharynx Which structure contains the laryngeal inlet? a) Oropharynx b) Nasopharynx c) Laryngopharynx d) Palatine tonsil Correct answer: Laryngopharynx What is the falcis? a) A type of muscle b) A part of the auditory tube c) A fold of mucous membrane to the oropharynx d) A connective tissue layer Correct answer: A fold of mucous membrane to the oropharynx What forms the posterior structure of the falcis? a) Pharyngeal wall b) Tonsillar crypts c) Lingual arch d) Palatopharyngeal arch Correct answer: Palatopharyngeal arch Where is the palatine tonsil located? a) Within the falcis. b) In the pharyngeal arch. c) Beneath the soft palate. d) Inside the oral cavity. Correct answer: Within the falcis. Which muscle is found in the palatopharyngeal arch? a) Palatoglossal Muscle. b) Palatopharyngeus Muscle. c) Superior Constrictor Muscle. d) Inferior Constrictor Muscle. Correct answer: Palatopharyngeus Muscle. What is the primary function of constrictor muscles in the pharynx? a) To elevate the soft palate. b) To contract and propel food down. c) To assist in swallowing saliva. d) To compress the tonsils. Correct answer: To contract and propel food down. Which nerve innervates the superior constrictor muscle? a) Phrenic nerve. b) Hypoglossal nerve. c) Facial nerve. d) Pharyngeal branch of the vagus nerve. Correct answer: Pharyngeal branch of the vagus nerve. Where does the inferior constrictor muscle attach? a) Hyoid bone and thyroid cartilage. b) Medial pterygoid plate. c) Pterygomandibular raphe. d) Thyroid cartilage and cricoid cartilage. Correct answer: Thyroid cartilage and cricoid cartilage. What is the function of the longitudinal muscles in the pharynx? a) Contract to push food down. b) Control airway during breathing. c) Support palatine tonsil function. d) Assist in elevating the pharynx. Correct answer: Assist in elevating the pharynx. Which muscle runs from the soft palate to the pharynx? a) Stylopharyngeus. b) Palatopharyngeus. c) Inferior Constrictor. d) Superior Constrictor. Correct answer: Palatopharyngeus. How is the stylopharyngeus muscle innervated? a) By the vagus nerve. b) By the glossopharyngeal nerve. c) By the phrenic nerve. d) By the facial nerve. Correct answer: By the glossopharyngeal nerve. Where does the Salpingopharyngeus muscle run from? a) From the pharynx to the larynx. b) From the auditory tube to the diaphragm. c) From the buccopharyngeal fascia to the pharynx. d) From the auditory tube to the pharynx. Correct answer: From the auditory tube to the pharynx. Which nerve innervates the Salpingopharyngeus muscle? a) The trigeminal nerve. b) The glossopharyngeal nerve. c) The vagus nerve. d) The hypoglossal nerve. Correct answer: The vagus nerve. What is the Retropharyngeal Space located between? a) The palatine fascia and the pharyngeal fascia. b) The alar fascia and the buccopharyngeal fascia. c) The buccinator fascia and the pharyngeal fascia. d) The retromolar space and the tongue. Correct answer: The alar fascia and the buccopharyngeal fascia. What does the Danger Space extend down to? a) The larynx. b) The trachea. c) The diaphragm. d) The oral cavity. Correct answer: The diaphragm. According to Stern's Law, how are tensor muscles innervated? a) By the trigeminal nerve. b) By the glossopharyngeal nerve. c) By the hypoglossal nerve. d) By the vagus nerve. Correct answer: By the trigeminal nerve. What nerve innervates all palate muscles, according to Stern's Law? a) The vagus nerve. b) The glossopharyngeal nerve. c) The hypoglossal nerve. d) The trigeminal nerve. Correct answer: The vagus nerve. Which nerve innervates muscles with 'gloss' in their name? a) The vagus nerve. b) The trigeminal nerve. c) The hypoglossal nerve. d) The glossopharyngeal nerve. Correct answer: The hypoglossal nerve. What muscle is innervated by the glossopharyngeal nerve? a) The Salpingopharyngeus muscle. b) The inferior pharyngeal constrictor. c) The stylopharyngeus muscle. d) The levator veli palatini. Correct answer: The stylopharyngeus muscle. Which nerve innervates the majority of pharyngeal muscles? a) The glossopharyngeal nerve. b) The trigeminal nerve. c) The vagus nerve. d) The hypoglossal nerve. Correct answer: The vagus nerve.