All Free General Anatomy MCQs with Answers
Every General Anatomy question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.
452 questions · page 14 of 23
- A. Infundibulum
- B. Summit of infundibulum
- C. Bulla ethmoidalis
- D. Hiatus semilunaris
Explanation: The maxillary sinus drains into the middle meatus through the hiatus semilunaris, usually via the ethmoidal infundibulum.
Correct answer: Hiatus semilunaris- A. palatine tonsils
- B. Pharyngeal tonsils
- C. Tubal and lingual tonsils
- D. Post auricular nodes
Explanation: Waldeyer’s ring is a circle of lymphoid tissue formed by the pharyngeal, tubal, palatine and lingual tonsils.
Correct answer: Post auricular nodes- A. It opens into oropharynx
- B. Supplied by IX nerve
- C. Lined stratified squamous epithelium
- D. It is cartilaginous throughout its length
Explanation: The pharyngotympanic tube has sensory innervation through the tympanic branch of the glossopharyngeal nerve.
Correct answer: Supplied by IX nerve- A. Style pharyngeus
- B. Palatopharyngeus
- C. Superior constrictor
- D. Middle constrictor
Explanation: Stylopharyngeus is the only pharyngeal muscle supplied by the glossopharyngeal nerve, whereas the remaining pharyngeal muscles are…
Correct answer: Style pharyngeus- A. Jugulo omohyoid node
- B. Jugulo digastric node
- C. Submental node
- D. Upper cervical node
Explanation: Palatine tonsillar lymph chiefly drains to the jugulodigastric node, which is therefore called the tonsillar node.
Correct answer: Jugulo digastric node- A. The opening of auditory tube is located in the lateral wall of naxopharynx
- B. The soft palate is at the level of separation of nasopharynx and the oropharynx
- C. The pharynx is continuous with the esophagus at the level of sixth cervical vertebrae
- D. The afferent limb of the gag reflex is 10th cranial nerve; the efferent limb is IX cranial nerve
Explanation: The gag reflex has an afferent limb through the glossopharyngeal nerve and an efferent limb through the vagus nerve.
Correct answer: The afferent limb of the gag reflex is 10th cranial nerve; the efferent limb is IX cranial nerve- A. Posterior ethmoidal
- B. Posterior superior
- C. Sphenoidal
- D. Infratemporal
Explanation: The sphenoidal sinus receives sensory supply from the posterior ethmoidal nerve, a branch of the ophthalmic division of the trigeminal…
Correct answer: Posterior ethmoidal- A. Maxillary sinus
- B. Frontal sinus
- C. Sphenoidal sinus
- D. Ethmoidal sinus
Explanation: The maxillary sinus begins as an evagination of the nasal sac during fetal development, making it the earliest developing paranasal sinus.
Correct answer: Maxillary sinus- A. Palatoglossus and palatopharyngeus
- B. Uvula
- C. Mucous membrane and muscles
- D. All of the above
Explanation: The soft palate contains mucous membrane, a muscular layer including palatoglossus and palatopharyngeus, and the uvula as its midline…
Correct answer: All of the above- A. Cricohyoid
- B. Cricothyroid
- C. Arytenoid
- D. Aryepiglotticus
Explanation: The recurrent laryngeal nerve supplies all intrinsic laryngeal muscles except the cricothyroid.
Correct answer: Cricothyroid- A. Posterior cricoarytendoids
- B. Transverse arytenoids
- C. Cricothyroid
- D. All of the above
Explanation: The posterior cricoarytenoid muscles rotate the arytenoid cartilages laterally and are the only muscles that abduct the vocal folds.
Correct answer: Posterior cricoarytendoids- A. Submandibular nodes
- B. Submental nodes
- C. Sublingual nodes
- D. Preauricular nodes
Explanation: The central part of the lower lip drains to the submental lymph nodes, whereas the lateral parts mainly drain to the submandibular nodes.
Correct answer: Submental nodes- A. Rcurrent laryngeal
- B. External laryngeal
- C. Internal laryngeal
- D. Glosso pharyngeal
Explanation: The internal laryngeal nerve lies beneath the mucosa of the piriform recess and supplies sensation there.
Correct answer: Internal laryngeal- A. Cricopharyngeus
- B. Palatopharyngeus
- C. Stylopharyngeus
- D. Salpingopharyngeus
Explanation: The stylopharyngeus is supplied by the glossopharyngeal nerve, not by the cranial part of the accessory nerve carried through the vagus.
Correct answer: Stylopharyngeus- A. Dilator papillae
- B. Sphincter papillae
- C. Levator palpebrae superioris
- D. Cilliary muscle
Explanation: The intrinsic muscles of the eye include sphincter pupillae, dilator pupillae, and ciliary muscle.
Correct answer: Levator palpebrae superioris- A. Swallowing and speech
- B. Swallowing and smiling
- C. Swallowing and chewing
- D. Swallowing and frowning
Explanation: The posterior belly of digastric elevates and retracts the hyoid during swallowing and assists mandibular movements used in chewing.
Correct answer: Swallowing and chewing- A. Superior constrictor
- B. Inferior constrictor
- C. Thyrohyoid
- D. Sternothyroid
Explanation: The oblique line of the thyroid cartilage gives attachment to thyrohyoid, sternothyroid and the thyropharyngeal part of inferior…
Correct answer: Superior constrictor- A. Purely sensory
- B. Purely motor
- C. Mixed
- D. Spinal nerve
Explanation: The hypoglossal nerve is a motor cranial nerve supplying the intrinsic and most extrinsic muscles of the tongue.
Correct answer: Purely motor- A. Muscle fibres in the liqament of Treitz
- B. Omohyoid
- C. Occipitofrontalis
- D. Sternocleidomastoid
Explanation: A digastric muscle has two distinct muscular bellies, as seen in omohyoid and occipitofrontalis; the suspensory muscle associated with the…
Correct answer: Sternocleidomastoid- A. Palatoglossus
- B. Tensor veli palatini
- C. Levator veli palatini
- D. Palatopharyngeus
Explanation: Tensor veli palatini forms a tendon that turns around the pterygoid hamulus before spreading into the palatal aponeurosis.
Correct answer: Tensor veli palatini