Histology - Respiratory System Flashcards

1
Q

forceful attempt at expiration while glottis is

closed

A

Valsalva

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2
Q

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

A

a. non-keratinized stratified squamous epithelium

keratinized dapat

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3
Q

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

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

A

b. nasal septum

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4
Q

Part of nose that…

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

cribriform plate

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5
Q

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

A

c. superior part is congested if you have flu

inferior dapat

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6
Q

true about olfactory epithelium

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

A

d.all are true

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7
Q

function of Bowman’s gland

A

moistens epithelium by secreting fluids and facilitates

smelling;

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8
Q

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

A

False. It contains goblet cells (mucous vascular lamina

propria) necessary for mucocillary clearance

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9
Q

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

A

False. part din siya ng digestive system

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10
Q

All three divisions of the pharynx have Non-keratinizing

stratified squamous epithelium. True or false?

A

False. Nasopharynx has pseudostratified columnar epithelium.

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11
Q

Lymphoid tissue abundant at the lamina propria of the nasopharynx

A

Nasopharyngeal tonsil/ Adenoid/ Waldeyer’s ring

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12
Q

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

A

true

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13
Q

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

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

A

c. adenoid

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14
Q

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

A

A. intrinsic muscles attach larynx to hyoid

extrinsic dapat!

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15
Q

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

A

c. both lingual and laryngeal sides have pseudostratified columnar epithelium

lingual side: stratified squamous epithelium

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16
Q

cartilage that houses 2 vocal folds for sound production

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

A

d. thyroid

17
Q

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

A

d. stratified squamous, non-keratinizing epithelium

false vocal cords have ciliated pseudostratified columnar epithelium

18
Q

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

A

b. vocalis muscle - bundle of smooth muscle

striated dapat

19
Q

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

A

c) lined with non -keratinizing, stratified squamous
epithelium

ciliated pseudostratified columnar epithelium dapat

20
Q

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

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

A

d. surfactant cells

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

21
Q

neuroendocrine cells in the trachea that are also found in bronchi

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

A

c. Kulchitsky cells

22
Q

inability to breathe properly due to

hardened elastic recoil

A

emphysema

23
Q

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

A

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

24
Q

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

A

True

25
Q

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

A

Terminal bronchioles

26
Q
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
A

a. non-ciliated low columnar epithelium

dapat non-ciliated low cuboidal epithelium

27
Q

they permit movement of air between adjacent

alveoli (collateral respiration)

A

alveolar pores or pores of Kohn

28
Q

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

A

B. Type II

29
Q

Another name for alveolar cells

A

pneumocytes

30
Q

main lipid component of lung surfactant

A

dipalmitoylphosphatidylcholine

31
Q

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

A

d. a and b

32
Q

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

A

true. scattered sila.