Overview of Head Regions

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Which region of the head is related to deeper soft tissue formations?

Nasal region

Parotid region (correct)

Mental region

Orbital region

How many regions is the facial region divided into?

Six

Three

Five

Eight (correct)

Which part of the head contains the brain and associated membranes?

Nasal cavities

Cranial cavity (correct)

Two ears

Oral cavity

Which head region corresponds to the underlying bones or bony features?

Frontal region Signup and view all the answers

Which region of the head includes the external ear?

Auricular region Signup and view all the answers

How many compartments are formed by bone and soft tissues in the head?

Eight Signup and view all the answers

What is the function of the mandibular nerve?

It controls muscles of mastication. Signup and view all the answers

Where are the choanae located?

Continuous with the nasal cavities. Signup and view all the answers

Which nerve passes through the pterygopalatine fossa?

Maxillary nerve Signup and view all the answers

What is the main function of the maxillary sinuses?

To produce mucus for the nasal cavity. Signup and view all the answers

Where are the nasal cavities located in relation to the orbits?

Between the orbits. Signup and view all the answers

What are the external parts of the ears primarily contained within?

Bones forming the floor of the cranial cavity Signup and view all the answers

Where is the oral cavity located in relation to the nasal cavities?

Inferior to the nasal cavities. Signup and view all the answers

What are the walls of the orbits composed of?

Bone and cartilage Signup and view all the answers

What is a major structure passing through the infratemporal fossa?

Mandibular nerve Signup and view all the answers

What are paranasal sinuses?

Air-filled extensions continuous with the nasal cavities. Signup and view all the answers

What are the two major compartments of the head?

Cranial cavity, oral cavity Signup and view all the answers

How many regions is the facial region divided into?

Eight Signup and view all the answers

Which regions of the head correspond to the underlying bones or bony features?

Frontal, parietal, occipital, temporal, and mastoid regions Signup and view all the answers

What is the largest compartment of the head and what does it contain?

Cranial cavity, brain and associated membranes (meninges) Signup and view all the answers

Where is the auricular region located and what does it include?

Auricular region includes the external ear and is located in the neurocranial portion of the head. Signup and view all the answers

How many orbits are there in the head?

Two Signup and view all the answers

What is the main function of the maxillary sinuses?

The main function of the maxillary sinuses is to lighten the skull and serve as resonance chambers for speech. Signup and view all the answers

Where are the paranasal sinuses located?

The paranasal sinuses are air-filled extensions that project laterally, superiorly, and posteriorly into surrounding bones. Signup and view all the answers

What is the main conduit for one of the major cranial nerves?

The infratemporal fossa is a conduit for the mandibular nerve (the mandibular division of the trigeminal nerve [V3]). Signup and view all the answers

What is the posterior opening to the oral cavity?

The oropharyngeal isthmus is the posterior opening to the oral cavity. Signup and view all the answers

What are the anterior openings to the nasal cavities?

The nares (nostrils) are the anterior openings to the nasal cavities. Signup and view all the answers

Which nerve passes through the pterygopalatine fossa?

The maxillary nerve (the maxillary division of the trigeminal nerve [V2]) passes through the pterygopalatine fossa. Signup and view all the answers

Where are the external parts of the ears primarily contained within?

The external parts of the ears extend laterally from the regions contained within one of the bones forming the floor of the cranial cavity. Signup and view all the answers

What is the main function of the nasal cavities?

The nasal cavities are the upper parts of the respiratory tract and are primarily involved in respiration and olfaction. Signup and view all the answers

Where are the choanae located?

The choanae (posterior nasal apertures) are the posterior openings to the nasal cavities. Signup and view all the answers

What are the walls of the orbits composed of?

The walls of the orbits are composed of bone, whereas the base of each conical chamber can be opened and closed by the eyelids. Signup and view all the answers