BIO 112 Exam: Questions And Step-by-Step Answers
How many nasal conchae are there in the nasal cavity? Right Ans - Three
What is another name for the nasal conchae? Right Ans - Turbinate bones
What is the function of the nasal conchae? Right Ans - Produce turbulence
in inhaled air
How many passages are formed by the nasal conchae, partitioning the nasal
cavity? Right Ans - Three
What term is used to refer to each passage created by the nasal conchae?
Right Ans - Nasal meatus
Where is the nasal vestibule located? Right Ans - Just inside the nostrils
What lines the nasal vestibule and is responsible for trapping particles?
Right Ans - Vibrissae
In which part of the nasal cavity is the olfactory region located? Right Ans -
Superior part of the nasal cavity
What is found in the olfactory region that is responsible for detecting odors?
Right Ans - Olfactory epithelium
Which region of the nasal cavity is lined by pseudostratified ciliated columnar
epithelium and has an extensive vascular network? Right Ans - Respiratory
region
Why are nosebleeds (epistaxis) common in the respiratory region? Right
Ans - Extensive vascular network
What is the function of nasolacrimal ducts? Right Ans - Drain lacrimal
secretions from the eye surfaces to the nasal cavity
How does the nasal cavity condition the air? Right Ans - By warming,
cleansing, and humidifying the air
,How is the air warmed in the nasal cavity? Right Ans - By extensive blood
vessels
What traps dust, microbes, and foreign material in the nasal cavity? Right
Ans - Vibrissae
Where does the cilia sweep mucous in the nasal cavity? Right Ans -
Towards the throat (pharynx) to be swallowed
How does the air turbulence created by conchae enhance the conditioning of
air in the nasal cavity? Right Ans - By improving warming, cleansing, and
humidifying processes
What is rhinorrhea? Right Ans - Runny nose
What is one cause of rhinorrhea related to increased production of mucus?
Right Ans - Allergies and viruses
When does rhinorrhea occur due to increased secretions from lacrimal glands
draining into the nasal cavity? Right Ans - b. When exposed to cold air
What is a contributing factor to rhinorrhea when exposed to cold air? Right
Ans - d. Reduced mucus production
Which condition is associated with rhinorrhea caused by exposure to cold air?
Right Ans - d. Water condensation in the nasal cavity
What is lacrimal glands? Right Ans - Glands that produce tears
What is cilia? Right Ans - Microscopic hair-like structures that move mucus
What are some symptoms of rhinorrhea? Right Ans - Nasal congestion,
sneezing, postnasal drip
What are some common causes of rhinorrhea? Right Ans - Allergies, colds,
sinus infections
What is the function of mucus in the nasal cavity? Right Ans - To trap and
remove foreign particles
, What is postnasal drip? Right Ans - When excess mucus drips down the
back of the throat
What are some ways to manage rhinorrhea? Right Ans - Using saline nasal
sprays, staying hydrated, avoiding triggers
Where are the paranasal sinuses located? Right Ans - a. Within the nasal
cavity
How are the paranasal sinuses named? Right Ans - c. According to the
specific bone in which they are housed
What connects all the paranasal sinuses to the nasal cavity? Right Ans - c.
Ducts
Which of the following is NOT a paranasal sinus? Right Ans - c. Temporal
sinuses
In which order, from superior to inferior, are the paranasal sinuses listed?
Right Ans - a. Frontal, Sphenoidal, Maxillary, Ethmoidal
What type of epithelium lines the paranasal sinuses? Right Ans - b.
Pseudostratified ciliated columnar epithelium
What is the function of the pseudostratified ciliated columnar epithelium in
the paranasal sinuses? Right Ans - c. Protection against pathogens
What happens to the mucus produced in the paranasal sinuses? Right Ans -
c. Swept into the pharynx
How is the mucus in the paranasal sinuses further handled after being swept
into the pharynx? Right Ans - c. Swallowed
What is the pharynx? Right Ans - b. A passageway posterior to the nasal
cavity, oral cavity, and larynx
How are the lateral walls of the pharynx composed? Right Ans - c. Skeletal
muscles
How many nasal conchae are there in the nasal cavity? Right Ans - Three
What is another name for the nasal conchae? Right Ans - Turbinate bones
What is the function of the nasal conchae? Right Ans - Produce turbulence
in inhaled air
How many passages are formed by the nasal conchae, partitioning the nasal
cavity? Right Ans - Three
What term is used to refer to each passage created by the nasal conchae?
Right Ans - Nasal meatus
Where is the nasal vestibule located? Right Ans - Just inside the nostrils
What lines the nasal vestibule and is responsible for trapping particles?
Right Ans - Vibrissae
In which part of the nasal cavity is the olfactory region located? Right Ans -
Superior part of the nasal cavity
What is found in the olfactory region that is responsible for detecting odors?
Right Ans - Olfactory epithelium
Which region of the nasal cavity is lined by pseudostratified ciliated columnar
epithelium and has an extensive vascular network? Right Ans - Respiratory
region
Why are nosebleeds (epistaxis) common in the respiratory region? Right
Ans - Extensive vascular network
What is the function of nasolacrimal ducts? Right Ans - Drain lacrimal
secretions from the eye surfaces to the nasal cavity
How does the nasal cavity condition the air? Right Ans - By warming,
cleansing, and humidifying the air
,How is the air warmed in the nasal cavity? Right Ans - By extensive blood
vessels
What traps dust, microbes, and foreign material in the nasal cavity? Right
Ans - Vibrissae
Where does the cilia sweep mucous in the nasal cavity? Right Ans -
Towards the throat (pharynx) to be swallowed
How does the air turbulence created by conchae enhance the conditioning of
air in the nasal cavity? Right Ans - By improving warming, cleansing, and
humidifying processes
What is rhinorrhea? Right Ans - Runny nose
What is one cause of rhinorrhea related to increased production of mucus?
Right Ans - Allergies and viruses
When does rhinorrhea occur due to increased secretions from lacrimal glands
draining into the nasal cavity? Right Ans - b. When exposed to cold air
What is a contributing factor to rhinorrhea when exposed to cold air? Right
Ans - d. Reduced mucus production
Which condition is associated with rhinorrhea caused by exposure to cold air?
Right Ans - d. Water condensation in the nasal cavity
What is lacrimal glands? Right Ans - Glands that produce tears
What is cilia? Right Ans - Microscopic hair-like structures that move mucus
What are some symptoms of rhinorrhea? Right Ans - Nasal congestion,
sneezing, postnasal drip
What are some common causes of rhinorrhea? Right Ans - Allergies, colds,
sinus infections
What is the function of mucus in the nasal cavity? Right Ans - To trap and
remove foreign particles
, What is postnasal drip? Right Ans - When excess mucus drips down the
back of the throat
What are some ways to manage rhinorrhea? Right Ans - Using saline nasal
sprays, staying hydrated, avoiding triggers
Where are the paranasal sinuses located? Right Ans - a. Within the nasal
cavity
How are the paranasal sinuses named? Right Ans - c. According to the
specific bone in which they are housed
What connects all the paranasal sinuses to the nasal cavity? Right Ans - c.
Ducts
Which of the following is NOT a paranasal sinus? Right Ans - c. Temporal
sinuses
In which order, from superior to inferior, are the paranasal sinuses listed?
Right Ans - a. Frontal, Sphenoidal, Maxillary, Ethmoidal
What type of epithelium lines the paranasal sinuses? Right Ans - b.
Pseudostratified ciliated columnar epithelium
What is the function of the pseudostratified ciliated columnar epithelium in
the paranasal sinuses? Right Ans - c. Protection against pathogens
What happens to the mucus produced in the paranasal sinuses? Right Ans -
c. Swept into the pharynx
How is the mucus in the paranasal sinuses further handled after being swept
into the pharynx? Right Ans - c. Swallowed
What is the pharynx? Right Ans - b. A passageway posterior to the nasal
cavity, oral cavity, and larynx
How are the lateral walls of the pharynx composed? Right Ans - c. Skeletal
muscles
