Semester 1 Mini Iii Histology Respiratory System

Front 1

Air passing through the ___ is used to produce speech.

Back 1

larynx

Front 2

Air passing over the _____ in the nose carries stimuli for the sense of smell.

Back 2

olfactory mucosa

Front 3

The respiratory portion of the respiratory system consists of ____, ____, ____, and ____.

Back 3

respiratory bronchioles, alveolar ducts, alveolar sacs, alveoli

Front 4

The nasal cavity is divided into 3 parts, the ____, _____, and ____.

Back 4

vestibule, respiratory segment, olfactory segment

Front 5

The _____ of the nasal cavity is lined with _______ epithelium, continuous with the external skin of the nose.

Back 5

vestibule, stratified squamous

Front 6

The vestibule contains stiff hairs, called ____ that entrap large particulate matter.

Back 6

vibrissae

Front 7

Projecting from the bony lateral wall of the vestibule are three tiny bony shelves called the nasal _____ or ______.

Back 7

conchae, turbinates

Front 8

The _____ act as turbines to churn the air as it passes through the nasal cavity, warming, moistening and cleaning it.

Back 8

nasal conchae or turbinates

Front 9

The dermis of ____ contain numerous sebaceous and sweat glands whose secretions aid in entrapment of particles.

Back 9

vestibule

Front 10

Posteriorly, where the vestibule ends, the epithelium undergoes a transition into _____ epithelium.

Back 10

pseudostratified

Front 11

The ____ constitutes most of the volume of the nasal cavity.

Back 11

respiratory segment

Front 12

The respiratory segment is lined with _____ epithelium

Back 12

ciliated, pseudostratifed columnar epithelium

Front 13

Typical respiratory epithelium consists of 5 cell types, ____, ____, ____, ____ and ____.

Back 13

ciliated columnar, mucous goblet cells, brush cells, basal cells, small granule cells

Front 14

____ are the most abundant cell type in the respiratory epithelium and contain numerous mitochondria.

Back 14

ciliated columnar

Front 15

____ are the second most abundant cell type in the respiratory epthelium and secrete mucuous.

Back 15

goblet cells

Front 16

The ____ constitutes most of the volume of the nasal cavity.

Back 16

respiratory segment

Front 17

The respiratory segment is lined with _____ epithelium

Back 17

ciliated, pseudostratifed columnar epithelium

Front 18

Typical respiratory epithelium consists of 5 cell types, ____, ____, ____, ____ and ____.

Back 18

ciliated columnar, mucous goblet cells, brush cells, basal cells, small granule cells

Front 19

____ are the most abundant cell type in the respiratory epithelium and contain numerous mitochondria.

Back 19

ciliated columnar

Front 20

____ are the second most abundant cell type in the respiratory epthelium and secrete mucuous.

Back 20

goblet cells

Front 21

In the respiratory epithelium, ____ are columnar cells that have numerous microvilli on their apical surface.

Back 21

brush cells

Front 22

In the respiratory epithelium, ____ have afferent nerve endings on their basal surface and are considered sensory receptors.

Back 22

brush cells

Front 23

In the respiratory epithelium, ____ are cells thought to differentiate into other cell types.

Back 23

basal cells

Front 24

In the respiratory epithelium, ____ cells that secrete bombesin and serotonin.

Back 24

small granule, enteroendocrine

Front 25

_____ syndrome is an inherited condition where cilia lining the airways fail to function.

Back 25

Kartenger's syndrome

Front 26

In Kartenger's syndrome cilia fail to function due to lack of ____.

Back 26

dynein

Front 27

The lamina propria of respiratory mucosa contain a rich vasuclar network to _____ and contain ______ glands to assist goblet cells.

Back 27

warm air, seromucous

Front 28

Olfactory epithelium is a specialized ____ epithelium that covers the roof of the nasal cavity, the superior aspect of the nasal septum, and the superior concha.

Back 28

pseudostratified columnar

Front 29

Olfactory epithelium contains three types of cells ____, ____ and ____.

Back 29

olfactory receptor cells, supporting(sustentacular cells), basal cells

Front 30

Olfactory sensory neurons have modified _____ on their free surfaces containing ____ and a single axon.

Back 30

immotile cillia, odorant protein receptors

Front 31

Olfactory sensory neurons are supported and held in place by _____ cells and both are regenerated by _____ cells.

Back 31

supporting (sustentacular cells), basal cells

Front 32

Olfactory cells are ___ neurons with proximal processes that join to form the ______.

Back 32

bipolar, filas olfactoria

Front 33

____ cells have apical, ovoid nuclei, a narrow base, yellow- brown pigments, and provide support to olfactory cells.

Back 33

supporting or sustentacular

Front 34

___ glands are beneath olfactory epithelium, are serous secreting glands, and act as solvent in which odorous substances are dissolved.

Back 34

bowman's gland

Front 35

Each olfactory neuron can express ____ olfactory receptors.
Of the almost 1000 receptors, each recognizes a single _____ of different odiferous substances.; epitope

Back 35

one

Front 36

Of the almost 1000 receptors, each recognizes a single _____ of different odiferous substances.

Back 36

epitope

Front 37

Olfactory receptors are _____ receptor, whose axons synapse with dendrites of ____ cells in the glomeruli of the ______.

Back 37

7 transmembrane G-linked receptors, mitral, olfactory bulb

Front 38

If threshold level of impulses reaches a mitral cell in the ____ of the olfactory bulb, it becomes depolalarized and relays the signal to the ____.

Back 38

glomeruli, olfactory cortex

Front 39

Each glomerulus receieves input from ___ type of receptor, but the brain can recognize about 10,000 scents through ____.

Back 39

one, combinations

Front 40

The nasopharynx is lined by ____ epithelium, while the oral and laryngeal pharyx are lined by _____ epithelium.

Back 40

respiratory, stratified squamous

Front 41

During respiration the epiglottis is in the ____ position.

Back 41

vertical