Histology - Respiratory System

Question 1

forceful attempt at expiration while glottis is

closed

Answer 1

Valsalva

Question 2

false about nasal vestibule

a. non-keratinized stratified squamous epithelium
b. Narrowest part of the nose
c. Has the greatest turbulence
d. all are false

Answer 2

a. non-keratinized stratified squamous epithelium

keratinized dapat

Question 3

most frequent location of nosebleed or epistaxis due to extensive venous plexus

a. nasal vestibule
b. nasal septum
c. nasal turbinates
d. paranasal sinuses

Answer 3

b. nasal septum

Question 4

Part of nose that…

1. lets olfactory fibers pass through (for sense of
   smell) , hence: synapse location
2. Separates brain and nasal cavity

Answer 4

cribriform plate

Question 5

false about nasal turbinates

a. also called concha
b. provides laminar flow
c. superior part is congested if you have flu
d. Ciliated pseudostratified columnar epithelium

Answer 5

c. superior part is congested if you have flu

inferior dapat

Question 6

true about olfactory epithelium

a. location: roof of nasal cavity
b. Thicker than respiratory epithelium
c. no goblet cells
d. all are true

Answer 6

d.all are true

Question 7

function of Bowman’s gland

Answer 7

moistens epithelium by secreting fluids and facilitates

smelling;

Question 8

Respiratory epithelium does not contain goblet cells, true or false?

Answer 8

False. It contains goblet cells (mucous vascular lamina

propria) necessary for mucocillary clearance

Question 9

The pharynx is part of the respiratory system only. True or false?

Answer 9

False. part din siya ng digestive system

Question 10

All three divisions of the pharynx have Non-keratinizing

stratified squamous epithelium. True or false?

Answer 10

False. Nasopharynx has pseudostratified columnar epithelium.

Question 11

Lymphoid tissue abundant at the lamina propria of the nasopharynx

Answer 11

Nasopharyngeal tonsil/ Adenoid/ Waldeyer’s ring

Question 12

Both the oropharynx and laryngopharynx protects tissue from damage caused by swallowed food. True or false?

Answer 12

true

Question 13

The following types of cartilage are present in the larynx except:

a. thyroid
b. cricoid
c. adenoid
d. hyaline

Answer 13

c. adenoid

Question 14

Pick the false statement
A. intrinsic muscles attach larynx to hyoid
B. intrinsic muscles join thyroid and cricoid cartilage
C. extrinsic muscles raise larynx during regurgitation
D. intrinsic muscles changes the tension of vocal cords and influences phonation

Answer 14

A. intrinsic muscles attach larynx to hyoid

extrinsic dapat!

Question 15

false about epiglottis

a. made of fibrocartilage
b. attached to thyroid cartilage
c. both lingual and laryngeal sides have pseudostratified columnar epithelium
d. close trachea during swallowing

Answer 15

c. both lingual and laryngeal sides have pseudostratified columnar epithelium

lingual side: stratified squamous epithelium

Question 16

cartilage that houses 2 vocal folds for sound production

a. cricoid
b. arytenoid
c. hyaline
d. thyroid

Answer 16

d. thyroid

Question 17

false about False Vocal Cords
a. for growling sounds
b. muco-serous secretory glands to lubricate
true vocal cords
c. application of mucosa and underlying lamina
propria
d. stratified squamous, non-keratinizing epithelium

Answer 17

d. stratified squamous, non-keratinizing epithelium

false vocal cords have ciliated pseudostratified columnar epithelium

Question 18

false about true vocal cords (and its parts)
a. vocal ligament - dense band of elastic tissue,
for phonetic sounds
b. vocalis muscle - bundle of smooth muscle
c. Non -keratinizing, stratified squamous
epithelium

Answer 18

b. vocalis muscle - bundle of smooth muscle

striated dapat

Question 19

false about trachea
a) its walls are reinforced by a series of 16-20 C-shaped
hyaline cartilages:
b)separated by interspaces that are bridged by
fibroelastic connective tissues
c) lined with non -keratinizing, stratified squamous
epithelium
d)none of the above

Answer 19

c) lined with non -keratinizing, stratified squamous
epithelium

ciliated pseudostratified columnar epithelium dapat

Question 20

Which of the following cells are not found in the trachea?

a. goblet cells
b. serous cells
c. Kulchitsky cells
d. surfactant cells

Answer 20

d. surfactant cells

cells found @ trachea: goblet cells, serous cells, Kulchitsky cells, Small pyramidal Basal cells and brush cells

Question 21

neuroendocrine cells in the trachea that are also found in bronchi

a. goblet cells
b. serous cells
c. Kulchitsky cells
d. brush cells

Answer 21

c. Kulchitsky cells

Question 22

inability to breathe properly due to

hardened elastic recoil

Answer 22

emphysema

Question 23

Pick the false statement

a. in bronchi, amount of cartilage decreases as you move farther distally
b. in primary bronchi, cartilage forms irregular plates
c. there are more smooth muscles in primary bronchi than in tertiary bronchi
d. there are less goblet cells at tertiary bronchi

Answer 23

c. there are more smooth muscles in primary bronchi than in tertiary bronchi
* there are fewer smooth muscles

Question 24

Bronchioles have no glands nor cartilage, only smooth muscle. True or false?

Answer 24

True

Question 25

There are Five to seven of these in the respi system. They have ciliated simple columnar epithelium They are the last of the conductive zone

Answer 25

Terminal bronchioles

Question 26

``` false about respiratory bronchioles a. non-ciliated low columnar epithelium b. First respiratory zone c. with alveoli which have simple squamous epithelium d. Thin enough to permit gas exchange ```

Answer 26

a. non-ciliated low columnar epithelium dapat non-ciliated low cuboidal epithelium

Question 27

they permit movement of air between adjacent | alveoli (collateral respiration)

Answer 27

alveolar pores or pores of Kohn

Question 28

Which alveolar cells produce the lung surfactant? A. Type I B. Type II C. both

Answer 28

B. Type II

Question 29

Another name for alveolar cells

Answer 29

pneumocytes

Question 30

main lipid component of lung surfactant

Answer 30

dipalmitoylphosphatidylcholine

Question 31

parts of respiratory system where elastic fibers are present a. nasal fossae and nasopharynx b. larynx and trachea c. bronchi and bronchioles d. a and b e. a, b and c

Answer 31

d. a and b

Question 32

Goblet cells are present in regular bronchioles. true or false?

Answer 32

true. scattered sila.