Human Anatomy Multiple Choice Questions PDF

1. What are sutures? ○ A) Hollow spaces in bones ○ B) Fibrous joints connecting skull bones ○ C) Flexible cartilaginous structures ○ D) Ligaments connecting muscles 2. Which suture is located between the frontal and parietal bones? ○ A) Sagittal suture ○ B)...

1. What are sutures? ○ A) Hollow spaces in bones ○ B) Fibrous joints connecting skull bones ○ C) Flexible cartilaginous structures ○ D) Ligaments connecting muscles 2. Which suture is located between the frontal and parietal bones? ○ A) Sagittal suture ○ B) Coronal suture ○ C) Lambdoid suture ○ D) Squamous suture 3. How many cranial bones make up the human skull? ○ A) 14 ○ B) 22 ○ C) 8 ○ D) 12 4. The foramen magnum is: ○ A) An opening for the optic nerve ○ B) A hole for the spinal cord ○ C) A suture between bones ○ D) A depression for muscle attachment 5. The optic canal allows for the passage of: ○ A) Mandibular nerve ○ B) Optic nerve ○ C) Facial nerve ○ D) Vagus nerve 6. Which of the following is NOT a function of the nasal conchae? ○ A) Increase surface area ○ B) Humidify air ○ C) Produce mucus ○ D) Support the structure of the skull 7. What is the primary function of the hard palate? ○ A) Support the nasal cavity ○ B) Separate the oral and nasal cavities ○ C) Protect the brain ○ D) House the maxillary sinus 8. The maxillary sinuses are located: ○ A) Below the nasal cavity ○ B) Above the mandible ○ C) Behind the maxillary tuberosity ○ D) Lateral to the nasal cavity 9. The mandible is considered which type of bone? ○ A) Cranial bone ○ B) Facial bone ○ C) Irregular bone ○ D) Long bone 10. The zygomatic bones contribute to: ○ A) The floor of the nasal cavity  ○ B) The lateral walls of the orbit ○ C) The posterior cranial fossa ○ D) The structure of the hard palate Chapter 27: Paranasal Sinuses, Nasal Cavities, and Nasal Septum 11. Which bone is shaped like a butterfly? ○ A) Maxilla ○ B) Sphenoid ○ C) Ethmoid ○ D) Temporal 12. The nasal septum is primarily formed by: ○ A) Maxilla and mandible ○ B) Vomer and ethmoid bone ○ C) Sphenoid and frontal bones ○ D) Temporal and parietal bones 13. The anterior cranial fossa is separated from the middle cranial fossa by: ○ A) Petrous ridge of the temporal bone ○ B) Lesser wing of the sphenoid ○ C) Coronal suture ○ D) Lambdoid suture 14. The lateral wall of the nasal cavity includes which of the following structures? ○ A) Nasal conchae ○ B) Palatine bones ○ C) Maxillary tuberosity ○ D) Sphenoidal sinus 15. Which of the following bones does NOT form part of the orbit? ○ A) Frontal bone ○ B) Lacrimal bone ○ C) Nasal bone ○ D) Zygomatic bone 16. The maxillary sinus is located: ○ A) Below the eyes ○ B) Above the mandible ○ C) Behind the nasal septum ○ D) Lateral to the zygomatic bone 17. The ethmoid bone contributes to: ○ A) The base of the skull ○ B) The nasal cavity and orbit ○ C) The mandible ○ D) The hard palate 18. The pterygoid processes are part of which bone? ○ A) Maxilla ○ B) Sphenoid ○ C) Mandible ○ D) Ethmoid 19. The inferior nasal conchae are: ○ A) Separate bones  ○ B) Part of the ethmoid bone ○ C) Unilateral projections ○ D) Bony depressions 20. The function of the nasal conchae includes: ○ A) Supporting the hyoid bone ○ B) Enhancing airflow and filtering ○ C) Protecting the brain ○ D) Producing tears Chapter 28: Muscles of Mastication 21. The primary function of the masseter muscle is to: ○ A) Protract the mandible ○ B) Elevate the mandible ○ C) Rotate the head ○ D) Depress the hyoid bone 22. The temporalis muscle primarily: ○ A) Depresses the mandible ○ B) Elevates and retracts the mandible ○ C) Aids in lateral movement ○ D) Supports the hyoid bone 23. Which muscle assists with side-to-side movement of the jaw? ○ A) Medial pterygoid ○ B) Lateral pterygoid ○ C) Masseter ○ D) Temporalis 24. The action of the lateral pterygoid muscle includes: ○ A) Elevation of the mandible ○ B) Retrusion of the mandible ○ C) Protraction of the mandible ○ D) Depression of the hyoid 25. The suprahyoid muscles are primarily responsible for: ○ A) Depressing the hyoid ○ B) Elevating the hyoid ○ C) Flexing the neck ○ D) Rotating the head 26. Which muscle is NOT a suprahyoid muscle? ○ A) Digastric ○ B) Mylohyoid ○ C) Stylohyoid ○ D) Sternohyoid 27. The infrahyoid muscles function to: ○ A) Elevate the hyoid during swallowing ○ B) Depress the hyoid after elevation ○ C) Flex the neck ○ D) Support the maxilla 28. The deep masseter muscle primarily: ○ A) Protracts the mandible  ○ B) Elevates the mandible ○ C) Depresses the mandible ○ D) Rotates the head 29. Which muscle assists in elevating the scapula? ○ A) Trapezius ○ B) Omohyoid ○ C) Splenius capitis ○ D) Sternocleidomastoid 30. The sternocleidomastoid muscle is responsible for: ○ A) Elevating the mandible ○ B) Rotating the head to the opposite side ○ C) Depressing the hyoid ○ D) Flexing the neck Chapter 29: TMJ (Temporomandibular Joint) 31. Which movement describes the opening of the mouth? ○ A) Elevation ○ B) Depression ○ C) Protrusion ○ D) Retrusion 32. The articular disc in the TMJ is primarily made of: ○ A) Bone ○ B) Fibrocartilage ○ C) Elastic cartilage ○ D) Fibrous tissue 33. The condyles of the mandible articulate with which bone? ○ A) Zygomatic bone ○ B) Sphenoid bone ○ C) Temporal bone ○ D) Maxilla 34. Which movement involves moving the jaw forward? ○ A) Elevation ○ B) Protrusion ○ C) Retrusion ○ D) Lateral deviation 35. Lateral deviation of the jaw is important for: ○ A) Closing the mouth ○ B) Grinding food ○ C) Producing speech ○ D) Swallowing 36. A common TMJ problem is: ○ A) Sinusitis ○ B) Arthritis ○ C) Osteoporosis ○ D) Scoliosis 37. Disc displacement in the TMJ can lead to: ○ A) Improved jaw function  ○ B) Pain and clicking sounds ○ C) Enhanced chewing ability ○ D) Decreased inflammation 38. TMJ dislocation typically occurs when: ○ A) The mandible moves backward ○ B) The condyle moves out of the fossa ○ C) The articular disc becomes thicker ○ D) The maxillary sinus is inflamed 39. Bruxism is associated with: ○ A) Frequent yawning ○ B) Chronic teeth grinding ○ C) Difficulty swallowing ○ D) Neck muscle spasms 40. The anterior band of the articular disc is stretched during: ○ A) Elevation ○ B) Protrusion ○ C) Retrusion ○ D) Depression General Anatomy Questions 41. The maxilla forms part of: ○ A) The roof of the orbit ○ B) The lateral wall of the nasal cavity ○ C) The hard palate ○ D) All of the above 42. The primary function of the hyoid bone is to: ○ A) Support the mandible ○ B) Anchor muscles for swallowing and speech ○ C) Protect the brain ○ D) Form part of the nasal septum 43. The petrous ridge of the temporal bone separates which cranial fossae? ○ A) Anterior and middle ○ B) Middle and posterior ○ C) Anterior and posterior ○ D) None of the above 44. The greater wings of the sphenoid bone form part of: ○ A) The nasal cavity ○ B) The lateral skull walls and orbits ○ C) The hard palate ○ D) The mandible 45. The inferior nasal conchae are primarily involved in: ○ A) Vision ○ B) Hearing ○ C) Air filtration ○ D) Food digestion 46. The lacrimal bone is located: ○ A) Medial wall of the orbit  ○ B) Lateral wall of the orbit ○ C) Inferior nasal cavity ○ D) Mandible 47. Which of the following bones is NOT part of the neurocranium? ○ A) Occipital ○ B) Ethmoid ○ C) Nasal ○ D) Parietal 48. The mental foramen is found on which bone? ○ A) Maxilla ○ B) Mandible ○ C) Zygomatic ○ D) Frontal 49. The hard palate separates the: ○ A) Oral and nasal cavities ○ B) Cranial and facial cavities ○ C) Left and right nasal passages ○ D) None of the above 50. The function of the maxillary tuberosity is to: ○ A) Provide attachment for muscles ○ B) House the maxillary sinus ○ C) Form part of the nasal septum ○ D) Support the lower dentition Additional Questions 51. The coronoid process is a feature of which bone? ○ A) Maxilla ○ B) Mandible ○ C) Zygomatic ○ D) Ethmoid 52. Which cranial nerve passes through the optic canal? ○ A) CN II ○ B) CN V ○ C) CN III ○ D) CN VII 53. Which of the following bones contributes to the formation of the nasal cavity? ○ A) Zygomatic bone ○ B) Sphenoid bone ○ C) Maxilla ○ D) All of the above 54. The lateral pterygoid muscle primarily aids in: ○ A) Closing the jaw ○ B) Opening the jaw ○ C) Elevating the hyoid ○ D) Rotating the head 55. Which muscle originates from the temporal fossa? ○ A) Masseter  ○ B) Temporalis ○ C) Medial pterygoid ○ D) Lateral pterygoid 56. The structure of the hyoid bone is best described as: ○ A) A flat bone ○ B) A U-shaped bone ○ C) A cylindrical bone ○ D) A spherical bone 57. The pterygoid fossa is located on which bone? ○ A) Mandible ○ B) Maxilla ○ C) Sphenoid ○ D) Ethmoid 58. The sternocleidomastoid muscle helps to: ○ A) Elevate the hyoid ○ B) Rotate the head ○ C) Flex the wrist ○ D) Extend the neck 59. The superior nasal concha is part of which bone? ○ A) Maxilla ○ B) Ethmoid ○ C) Sphenoid ○ D) Nasal 60. The TMJ capsule provides: ○ A) Joint lubrication ○ B) Structural stability ○ C) Nutrient supply ○ D) Sensory innervation Clinical Relevance Questions 61. TMJ disorders can result in: ○ A) Increased mobility ○ B) Pain during chewing ○ C) Enhanced range of motion ○ D) None of the above 62. What type of cartilage is found in the articular disc of the TMJ? ○ A) Elastic cartilage ○ B) Hyaline cartilage ○ C) Fibrocartilage ○ D) None of the above 63. The digastric muscle assists in: ○ A) Elevating the hyoid bone ○ B) Depressing the mandible ○ C) Both A and B ○ D) None of the above 64. Which muscle is most associated with clenching? ○ A) Masseter  ○ B) Medial pterygoid ○ C) Temporalis ○ D) All of the above 65. Maxillary sinusitis may cause: ○ A) Tooth pain ○ B) Ear pain ○ C) Facial pressure ○ D) All of the above 66. The common name for teeth grinding is: ○ A) Bruxism ○ B) Clenching ○ C) Chipping ○ D) Molarization 67. The structure that separates the anterior and middle cranial fossae is the: ○ A) Greater wing of the sphenoid ○ B) Lesser wing of the sphenoid ○ C) Zygomatic bone ○ D) Frontal bone 68. What is the main action of the splenius capitis muscle? ○ A) Elevate the scapula ○ B) Rotate the head ○ C) Flex the neck ○ D) Extend the arm 69. Which muscle helps in breathing by elevating the ribs? ○ A) Scalene muscles ○ B) Masseter ○ C) Trapezius ○ D) Pterygoid muscles 70. The main function of the orbicularis oris muscle is: ○ A) Chewing ○ B) Closing the mouth ○ C) Elevating the hyoid ○ D) Extending the neck Anatomy and Physiology Questions 71. The maxilla contributes to which structures? ○ A) Hard palate ○ B) Nasal cavity ○ C) Orbit ○ D) All of the above 72. The condyles of the mandible articulate with: ○ A) Maxilla ○ B) Zygomatic bone ○ C) Temporal bone ○ D) Ethmoid bone 73. Which of the following does NOT pass through the foramen magnum? ○ A) Spinal cord  ○ B) Vertebral arteries ○ C) Cranial nerves ○ D) Accessory nerve (CN XI) 74. The structure that houses the nasal cavity is primarily made up of: ○ A) Maxilla ○ B) Nasal bones ○ C) Ethmoid bone ○ D) All of the above 75. The primary function of the hyoid bone is to: ○ A) Protect the brain ○ B) Serve as a muscle attachment ○ C) Form the base of the skull ○ D) None of the above 76. The deep masseter muscle contributes to: ○ A) Jaw opening ○ B) Jaw closing ○ C) Jaw protrusion ○ D) Jaw retrusion 77. The articular disc in the TMJ helps to: ○ A) Increase friction ○ B) Smooth movement ○ C) Produce synovial fluid ○ D) None of the above 78. The nasal conchae are involved in: ○ A) Filtering and humidifying air ○ B) Supporting the jaw ○ C) Protecting the eyes ○ D) None of the above 79. The vomer is part of which structure? ○ A) Nasal septum ○ B) Hard palate ○ C) Maxilla ○ D) Mandible 80. Which cranial nerve innervates the muscles of mastication? ○ A) CN VII ○ B) CN V ○ C) CN III ○ D) CN IX Final Set of Questions 81. The hard palate is formed by: ○ A) Maxilla only ○ B) Palatine bones only ○ C) Maxilla and palatine bones ○ D) Nasal bones only 82. Which muscle is involved in elevating the scapula? ○ A) Trapezius  ○ B) Sternocleidomastoid ○ C) Pterygoid ○ D) Masseter 83. The articular disc has how many zones? ○ A) Two ○ B) Three ○ C) Four ○ D) Five 84. The mental foramen is located on: ○ A) Maxilla ○ B) Mandible ○ C) Zygomatic bone ○ D) Sphenoid bone 85. Which of the following structures is NOT part of the nasal septum? ○ A) Vomer ○ B) Ethmoid bone ○ C) Septal cartilage ○ D) Nasal conchae 86. Which TMJ movement occurs during chewing? ○ A) Elevation ○ B) Retrusion ○ C) Lateral deviation ○ D) All of the above 87. Which muscle helps depress the hyoid bone? ○ A) Digastric ○ B) Omohyoid ○ C) Sternohyoid ○ D) All of the above 88. The cranial bone that is most anterior is: ○ A) Temporal ○ B) Frontal ○ C) Occipital ○ D) Parietal 89. The primary muscle for jaw elevation is: ○ A) Masseter ○ B) Lateral pterygoid ○ C) Temporalis ○ D) Both A and C 90. Which of the following is NOT a function of the TMJ? ○ A) Jaw elevation ○ B) Jaw rotation ○ C) Jaw protrusion ○ D) Jaw depression 91. The presence of the maxillary sinus is significant because: ○ A) It enhances taste ○ B) It adds resonance to voice ○ C) It protects the brain ○ D) It aids in vision 92. The hyoid bone is unique because: ○ A) It articulates with other bones ○ B) It does not articulate with any bones ○ C) It is the only floating bone ○ D) Both B and C 93. The superficial masseter muscle assists in: ○ A) Opening the jaw ○ B) Closing the jaw ○ C) Moving the jaw side-to-side ○ D) Protracting the jaw 94. Which TMJ movement is critical for grinding food? ○ A) Elevation ○ B) Protrusion ○ C) Lateral deviation ○ D) Depression 95. Which of the following bones is part of the hard palate? ○ A) Mandible ○ B) Maxilla ○ C) Zygomatic ○ D) Frontal 96. Which cranial nerve is responsible for sensation in the face and mastication? ○ A) CN V ○ B) CN VII ○ C) CN IX ○ D) CN X 97. What is the role of the pterygoid muscles? ○ A) Elevate the mandible ○ B) Depress the mandible ○ C) Protract and laterally move the mandible ○ D) Rotate the head 98. A common symptom of TMJ dysfunction is: ○ A) Loss of smell ○ B) Ear pain ○ C) Vision problems ○ D) Neck pain 99. Which of the following muscles does NOT elevate the mandible? ○ A) Masseter ○ B) Temporalis ○ C) Lateral pterygoid ○ D) Medial pterygoid 100. Which muscle is primarily responsible for neck flexion? - A) Trapezius - B) Splenius capitis - C) Sternocleidomastoid - D) Omohyoid