41 Questions
Which layer of the scalp is continuous with the muscle?
Aponeurosis
What is the main function of the orbicularis oculi muscle?
To close the eyelids
Which muscle is responsible for the elevation and retraction of the upper eyelid?
Levator palpebrae superioris
What is the origin of the muscles of the scalp, forehead, and eyebrows?
Galea aponeurotica layer of skull
Which layer of the scalp provides mobility?
Loose CT
What is the primary function of the occipitalis muscle?
To move the scalp
Which muscle is arranged in concentric bands around the upper and lower eyelids?
Orbicularis oculi
Which muscle helps to direct the ears toward the sources of sounds?
Muscles of the ears
Which muscle helps to close and protrude the lips, as in kissing, and helps keep food in the mouth?
Orbicularis oris
Which muscle presses the cheeks against teeth and lips, as in whistling, and helps to keep food in the mouth?
Buccinator
Which muscle is responsible for retracting the various borders of the oral fissure collectively, in groups, or individually?
Depressors, retractors, and evertors of the lower lip
Which muscle elevates and retracts the mandible?
Temporalis
Which muscle is responsible for elevation and protraction of the mandible?
Masseter
Which muscle is involved in the protrusion and contralateral deviation of the mandible?
Lateral pterygoid
Which type of nerves serve the upper limb, trunk, and lower limb?
Peripheral nerves
How many pairs of spinal nerves serve the upper limb, trunk, and lower limb?
31 pairs
Which type of nerves carry autonomic functions that we cannot control?
Cranial nerves
How many pairs of cranial nerves serve the head and neck?
12 pairs
Which type of signals travel from the brain and spinal cord to body structures such as muscles, skin, and organs?
Motor signals
What can sensory signals be?
Conscious or unconscious
What can motor signals be?
Conscious or unconscious
Which ligament extends from the spine of the sphenoid to the medial surface of the ramus of the mandible?
TMJ-Sphenomandibular ligament
Which ligament extends from the styloid process of the temporal bone to the inferior and posterior borders of the angle of the ramus of the mandible?
TMJ-stylomandibular ligament
Which movement is involved in the opening of the mouth?
Anterior movement of the head of the mandible
Which artery supplies the brain via the transverse foramen of the vertebrae?
Vertebral artery
Which artery supplies the anterior thoracic wall and breast tissue?
Internal thoracic artery
Which artery supplies the larynx, trachea, and esophagus?
Thyrocervical trunk
Which vein drains all of the blood from the head and neck?
Internal jugular vein
What movement does the zygomaticus major and minor cause?
smile
What movement does risoris cause?
lateral deviation from corners of the mouth
Which cranial nerve is in charge of eye movement?
CN III
Match the branches of facial nerve 7 with their name
temporal = 1 buccal = 3 zygomatic = 2 mandibular = 4
Match the branches of trigeminal nerve to their roman numeral
opthalmic = V1 maxillary = V2 mandibular = V3 trigeminal = V
The branches directly off the aorta include:
brachiocephalic, left common carotid artery, left common subclavian artery
All of the following are unpaired bones in the neurocranium except:
parietal bone
All of the following are paired bones of the viscerocranium except:
vomer
The point on the skull where the coronal and sagittal suture meet is called the:
bregma
The part of the skull where the sagittal and lambda sutures meet is called the:
lambda
When a baby is born the point where the coronal and sagittal suture meet and the point where the sagittal and lambda suture meet on the skull is called the:
anterior fontanelle and posterior fontanelle
The pituitary gland sits in the:
hypoglossal fossa
Match the name with its definition
pterion = "H" junction of the 4 bones: temporalis, frontal, sphenoid and parietal - softest part of the skull external acoustic meatus = opening of the external ear temporalis fossa = indent where the temporalis muscle attaches superior nuchal line = everything above this line is associated with the head, everything below this line is associated with the neck
Test your knowledge on the anatomy of the temporomandibular joint (TMJ) and its components, including the mandibular fossa, articular disc, synovial cavities, condylar process, and more.
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