3 Respiratory System

Question 1

The respiratory mucous membrane epithelium consists of what type?

Answer 1

Pseudostratified Epithelium

Question 2

Where is the olifactory epithelium located?

Answer 2

Roof of nasal cavity

Question 3

What type of cell are the supporting cells of the olifactory epithelium?

Answer 3

Columnar

Question 4

What type of connective tissue forms the Epiglottis?

Answer 4

Elastic cartilage

Question 5

With the exception of the epiglottis, what type of cartilage builds the larynx?

Answer 5

Hyaline Cartilage

Question 6

Is the trachea expanded on inhalation or exhalation?

Answer 6

Inhalation

Question 7

What type of epithelia is found in the mucous membrane of the trachea?

Answer 7

Pseudostratified columnar

Question 8

How many subdivisions of the primary bronchi are found in the right lung?

Answer 8

three

Question 9

How many subdivisions of the primary bronchi are found in the left lung?

Answer 9

Two

Question 10

Cartilage plates are more likely to be found in the bronchus, or the bronchiole?

Answer 10

Bronchus

Question 11

What structures within the bronchioles are involved in symptom development in asthma?

Answer 11

Smooth muscle cells

Question 12

Are cartilage and glands found in a respiratory bronchiole?

Answer 12

No

Question 13

The alveolae of the lung consist of what type of cell?

Answer 13

Simple squamous epithelia

Question 14

What structures are found in the interalveolar wall?

Answer 14

Blood vessels

Question 15

Surfactant is secreted by type 1 or type 2 pneumocytes?

Answer 15

Type 2

Question 16

How many barriers must gas pass through to exchange with erythrocytes?

Answer 16

six

Question 17

What is the morphology of a type 1 pneumocyte?

Answer 17

Simple squamous

Question 18

What is the purpose of the alveolar pores?

Answer 18

Allows bypass of collapsed alveolae

equalisation of pressure across the lung

Question 19

How are foreign particles cleared from within the alveolae?

Answer 19

Macrophages

Question 20

A dust cell is also known as:

Answer 20

Alveolar Macrophage

Question 21

What structure marks the transition between the skin surface and the mucous membrane of the mouth?

Answer 21

Red margin of the lip

Question 22

What structure of the tongue is responsible for the ‘roughness’ felt?

Answer 22

Filiform Papilae

Question 23

Where can the majority of taste buds be found?

Answer 23

Fungiform Papillae

Question 24

What is the connective tissue which anchors a tooth to the jaw?

Answer 24

Cementum

Question 25

What structure lies between the dentin and pulp cavity of a tooth?

Answer 25

Tome’s Fibres

Question 26

Where is the parotid salivary gland located?

Answer 26

Anterior to the ear,

between the Masticators and Skin

Question 27

Expulsion of secretions of the salivary gland are achieved by what?

Answer 27

Myoepithelial cells

Question 28

What duct structure lies nearer the acinar glands:

Intercalated Duct

or

Striated Duct?

Answer 28

Intercalated duct

Question 29

The parotid salivary gland contains only serous or mucosal acini?

Answer 29

Serous

Question 30

The sublingual salivary glands contain mostly serous or mucousal acini?

Answer 30

Mucousal

Question 31

Lysosymes are secreted by serous or mucousal demilunes?

Answer 31

Serous