MODULE 3 : RESPIRATORY SYSTEM

Question 0

Gas exchanged between blood and alveoli in lung

Answer 0

EXTERNAL RESPIRATION

Question 1

Air in/out, gas exchanged in lungs

Answer 1

PULMONARY VENTILATION

Question 2

Transport of oxygen and carbon dioxide

Answer 2

TRANSPORT OF RESPIRATORY GAES

Question 3

Gas exchange between blood and tissues

Answer 3

INTERNAL RESPIRATION

Question 4

Conducts air from the nose up to the terminal bronchioles

Answer 4

CONDUCTING SYSTEM

Question 5

Actual site of gas exchange

Answer 5

RESPIRATORY SYSTEM

Question 6

Provides airway for respiration, moisten and warms entering air

Answer 6

NOSE

Question 7

Serves as resonating chambers for speech

Answer 7

NOSE

Question 8

Most anterior and dilated portion of the nasal cavity

Answer 8

VESTIBULE

Question 9

L.E. and L.P. Of Vestibule

Answer 9

L.E. : SSNKE

L.P. : DCT

Question 10

L.E. Olfactory Region

Answer 10

Pseudo stratified ciliated columnar

Question 11

Spindle shaped, round nulei, bipolar nerve cells

Answer 11

OLFACTORY or SENSORY CELLS

Question 12

Tall slender cells with broad apices and tapers basally. Makes up the upper third of the epithelium. Nuclei aravoid

Answer 12

SUPPORTING CELLS

Question 13

L.E. And L.P. Of Respiratory Region (Schneiderian Membrane)

Answer 13

L.E. : Pseudo stratified ciliated columnar w/ goblet cells

L.P. : loose FECT

Question 14

Cavities in the frontal, maxillary, ethmoid and sphenoid bones

Answer 14

PARANASAL SINUSES

Question 15

L.E. of Paranasal Sinuses

Answer 15

L.E. : pseudo stratified columnar ciliated epith. w/less goblet cells

Question 16

L.E. and L.P. of Pharynx

Answer 16

L.E. : SSq and Pseudo stratified columnar ciliated epithelium with goblet cells
L.P. : much elastic tissue

Question 17

L.E. of Epiglottis

Answer 17

LIGUAL : SSE

LARYNGEAL : transition : pseudo stratified ciliated epith

Question 19

L.E. L.P. of Trachea

Answer 19

L.E. : pseudo-stratified ciliated columnar with goblet cells

L.P. : LCT rich in Elastic fibers

Question 20

Composed of the tertiary Bronchi together with the smaller branches it supplies

Answer 20

BRONCHOPULMONARY SEGMENT

Question 21

L.E. of Bronchus

Answer 21

L.E. : pseudo-stratified columnar epith w/motile cilia and goblet cells

Question 22

L.E. of Bronchiole

Answer 22

L.E. : pseudo-stratified columnar ciliated w/goblet cells

Question 23

L.E. Terminal Bronchiole

Answer 23

L.E. : SCu with no goblet cells

Question 24

L.E. Respiratory Bronchiole

Answer 24

L.E. : ciliated columnar epith w/o goblet cells later becoming low cuboidal, non ciliated

Question 25

Are thin Walled polyhedral and hexagonal sacs through whose thin walls are the site of interchange of gas between blood and air takes place

Answer 25

ALVEOLI

Question 26

Connects neighboring alveoli that open to different bronchioles. Equalizes air pressure between alveoli

Answer 26

ALVEOLAR PORES (Pore of Kohn)

Question 27

Comprises 95% of alveolar surface. Primarily lines the alveolar surface

Answer 27

TYPE 1 ALVEOLAR CELLS

Question 28

Are cuboidal cells, occurs in groups of two or three and releases pulmonary surfactant

Answer 28

TYPE 2 ALVEOLAR CELLS

Question 29

Are mixture of alveolar lining fluid and bronchial mucus which help remove particulate matter component from inspired air

Answer 29

BRONCHOALVEOLAR FLUID

Question 30

Consists of scattered fibroblasts and sparse extracellular matrix, notably elastic and reticular fibers of connective tissue

Answer 30

INTERALVEOLAR SEPTA

Question 31

L.E. of Larynx

Answer 31

FALSE VOCAL CORDS : Pseudo stratified, ciliated columnar epith. with Goblet cells
TRUE VOCAL CORDS : SSE