Histology Of Respiratory System

Question 1

One Histology Picture

Answer 1

One Histology Picture

Question 2

What type of cell is fond in the nasal cavity

Answer 2

Pseudostratified columnar epithelial

Question 3

What area of the body has a laminate proprietary (loose areolar connective tissue)

Answer 3

Nasal cavity

Question 4

What type of epethelium is respiratory epethelium

Answer 4

Psuedostratified ciliated columnar epethelium

Question 5

What do goblet cells do

Answer 5

Produce mucus

Question 6

What type of cells have chemosensory receptors

Answer 6

Brush cells

Question 7

What type of cell is mitotically active in the respiratory epethelium

Answer 7

Basal

Question 8

What type of cell in the respiratory epethelium has a notable role in diffuse neuroendocrine system

Answer 8

Small granule cells

Question 9

Adrenergic receptors produce ___________ which results in dilation of the bronchioles

Answer 9

Vasoconstriction

Question 10

In a healthy young adult, how often are olfactory neurons generated

Answer 10

2-3 weeks

Question 11

The oropharynx is composed of

Answer 11

Stratified squamous epethelium

Question 12

The medial pharyngeal tonsil and the auditory tube openings are considered part of the

Answer 12

Nasopharynx

Question 13

Another name for alveolar cells is

Answer 13

Pnuemocytes

Question 14

Does the alveoli has MSK support

Answer 14

No

Question 15

Is there gas exchange in respiratory bronchioles

Answer 15

Yes

Question 16

What are the sites of gas exchange

Answer 16

Respiratory bronchioles, alveolar ducts and sacs, alveoli

Question 17

The bronchioles, terminal bronchioles, respiratory bronchioles, alveolar ducts and sacs contain what kind of epethelium

Answer 17

Simple cilliated cuboidal

Question 18

What nerve causes bronchiole constrictions

Answer 18

Vagus

Question 19

What is another name for bronchioles exocrine cells

Answer 19

Club cells

Question 20

Which type of alveolar cell is composed of squamous epethelium and much more common

Answer 20

Type I

Question 21

What type of alveolar cell is composed of cuboidal epethelium and much less common

Answer 21

Type II alveolar cells

Question 22

Which type of epithelium produces surfactant

Answer 22

Type II

Question 23

Alveolar macrophages are also called

Answer 23

Dust cells

Question 24

What susbstance lowers the surface tension at air-epethelium surface

Answer 24

Surfactant

Question 25

The leading cause of death in premature babies. Due to incomplete differentiation of Type II alveolar cells, leading to deficient surfactant

Answer 25

Infant respiratory distress syndrome

Question 26

What is the physiologic cause of emphysema

Answer 26

Dilation and permanent enlargement of bronchioles causes pulmonary acini and alveolar cell loss

Question 27

Pulmonary hypertension’s causes ________ of the airway

Answer 27

Constriction

Question 28

What type of lung cancer is the most common

Answer 28

Adenocarcinoma

Question 29

Which type of lung cancer almost only affects smokers

Answer 29

Small-cell carcinoma

Question 30

If the patient is not a smoker, which type of lung cancer is suspected

Answer 30

Adenocarcinoma

Question 31

Squamous cell carcinoma is most likely to arise from

Answer 31

Epithelium of bronchi