Anatomy Flashcards
What is the function of the lungs?
To oxygenate blood
How many lobes does the RIGHT lung have?
3
How many lobes does the LEFT lung has?
2 “ Left has Less Lobes and Lingula”
Where does the trachea bifurcate into the left and right main bronchi?
At the Carina
Functions of the Respiratory System
1.Provides tissue for gas exchange
2.Moves air in and out the body
3.Protects the body from dehydration, entry of pathogens and temperature fluctuations
4.Produces sound ( vocalization)
What are the bones of the nasal cavity?
Nerdy - Nasal bone
Medical - Maxilla
Students - Sphenoid
are often
Very - Vomer
PaLE - Palantine, Lacrimal , Ethmoid
What are the paranasal sinuses?
Some - Sphenoidal sinus
Medical- Maxillary sinus
students
Eat - Ethmoidal sinus
Fries- Frontal sinus
What epithelium lines the paranasal sinuses?
Psuedostratified Columnar Epithelium w Goblet cells
What is the blood supply of the nose?
External and Internal Carotid artery
What is the innervation of the nose?
Olfactory Nerve ( CN 1) - Olfaction
Trigeminal Nerve (CN 5) - General Sensation
Facial Never (CN 7) - Serous glands
What’s a next name for Nosebleeds?
Epistaxis
What are the 6 Paired bones of the facial skeleton?
I-Inferior nasal conchae
Love -Lacrimal
Zinger-Zygomatic
Patty -Palatine
Not- Nasal
Meal deal- Maxillary
“ I Love Zingers & Patty Not Meal deal”
What are the two single bones of the facial skeleton?
Mandible
Vomer
What is the Nasion?
It is the junction between frontal and nasal bones
Which three bones are the orbital margin formed by?
Frontal , Maxillary and Zygomatic
Which structure is bounded by the nasal bones and maxillae?
Anterior nasal aperture
What are the four processes of the maxilla bone?
Zygomatic
Frontal
Alveolar
Palatine
“ZFAP”
What are the functions of the zygomatic bone?
They help to form sides and floor of orbits and make up the prominence of the cheeks
Which bones extend from Extend from the zygomatic process of temporal bone to zygomatic process of maxilla?
Zygomatic bones
Which bones can be described as L shaped with horizontal and perpendicular plates?
Palatine Bones
Where are lacrimal bones located ?
Located on the medial aspect of the orbit between ethmoid and maxillary bones.
What is the name of the structure that has a dilated portion of nasolacrimal duct that conveys tears from
eyes to nasal cavity?
Lacrimal sac
What are the vertical portions of the mandible called?
Rami
Fill in the blank “ Each ramus of the mandible has 2 parts that projects upwards: The ________ process is ________ and the ________ is _________”
Coronoid process is anterior & Condylar process is posterior