Practical: Respiratory Lab

Question 1

Respiratory Epithelium is comprised primarily of ___epithelium.

Answer 1

pseudostratified ciliated columnar

Question 2

)__ cartilage is in this tracheal ring

Answer 2

hyaline

Question 3

this is a SINUS in a slide of the ____

Answer 3

nasal fossa

Question 4

Within each conchae is a ____ bone which stains an intense even purple

Answer 4

turbinate

Question 5

____ bone in nasal fossa

Answer 5

turbinate

Question 6

Answer 6

swell bodies

Question 7

Answer 7

swell bodies

Question 8

what is the function of this?

Answer 8

Bowman’s glands

produce proteinaceous serous secretions to clear cilia and facilitate access of new odorants.

Question 9

olfactory epithelium, which consists of__ and ____, and the bipolar neurons known as olfactory cells

Answer 9

basal cells, supporting cells

Question 10

there is a lack of CILIA in ___ epithelium

Answer 10

olfactory

Question 11

this is a slide of the ___

Answer 11

larynx

Question 12

this is ___ cartilage

Answer 12

cricoid cartilage (from larynx slide)

Question 13

this is the larynx in the region of the ____

Answer 13

vestibular fold

1. no skeletal muscle

2/ serous and mucuous glands

3. epithelium is respiratory epithelium - ciliated, pseuodostratified columnar with goblet cells

Question 14

how do you know this is a vestibular fold of larynx?

Answer 14

respiratory epithelium with goblet cells and basal bodies

Question 15

how do you know this is a vocal cord portion of larynx?

Answer 15

1. skeletal muscle in the submucosa.
2. no serous or mucous glands present in the submucosa.
3. VOCAL LIGAMENT between the skeletal muscle and the epithelium
4. the epithelium of the true vocal cord is stratified squamous non-keratinizing.

Question 16

what type of region of the larynx is this? how do you know?

Answer 16

transitional.

the epithelium transitions from respiratory to stratified squamous epithelium.

Question 17

what are the A’s?

Answer 17

alveoli or alveolar sacs and ducts.

Question 18

what is this?

Answer 18

alveolar septae.

Question 19

Answer 19

mesotheleium of the lung

Question 20

what is this slide of?

Answer 20

lung bronchus

Question 21

Answer 21

paranasal sinus

Question 22

Answer 22

vestibular fold

(has serous gland)

Question 23

Answer 23

vocal cord

no serous glands

and squamous stratified epithelium

Question 24

Answer 24

regular bronchiole

folding

no visible cartilage

smooth muscle

Question 25

Answer 25

terminal bronchiole no folding no goblet cells simple columnar epithelium

Question 26

Answer 26

respiratory bronchiole Respiratory Histologically identical to terminal bronchiole BUT have cilia

Question 27

this is a slide of the \_\_\_

Answer 27

trachea columnar epithelium highly vascularized hyaline cartilage

Question 28

Answer 28

bronchi ciliated pseudostratified columnar epithelium. irregular patches of hyaline cartilage the smooth muscle layer in lamina

Question 29

Answer 29

regular bronchiole folding no visible cartilage smooth muscle

Question 30

Answer 30

respiratory bronchiole walls are interrupted by alveoli

Question 31

Answer 31

respiratory bronchiole walls are interrupted by alveoli

Question 32

Answer 32

trachea respiratory epithelium

Question 33

Answer 33

**alveolar duct** opens into alveoli simple squamous epithelium

Question 34

Answer 34

type I pneumocyte Very flat nucleus, thin cytoplasm.

Question 35

Answer 35

type I pneumocyte ## Footnote Very flat nucleus, thin cytoplasm.

Question 36

Answer 36

type II pneumocyte Bulge into alveolar space

Question 37

Answer 37

type II pneumocyte ## Footnote Bulge into alveolar space

Question 38

Answer 38

macrophage Dust cells, speckled particulates visible

Question 39

Answer 39

Endothelial cell nucleus Crescent shaped nucleus visible in septum