Deck 13: Respiratory System

Question 1

Keratinized epithelium becomes nonkeratinized at which of the following structures?

A) Nasal vestibule
B) Nasopharynx
C) Olfactory region of nasal cavity
D) Oropharynx
E) Posterior nasal cavity

Answer 1

A

Question 2

Inspired air moves from the _____ directly into the alveolar ducts.

A) Alveolar sacs
B) Alveoli
C) Respiratory bronchioles
D) Terminal bronchioles
E) Tertiary bronchi

Answer 2

C

Question 3

Where are Bowman's glands located?

A) Alveoli
B) Bronchioles
C) Nasal vestibule
D) Olfactory region of nasal cavity
E) Posterior nasal cavity

Answer 3

D

Question 4

Alveolar cells that manufacture and secrete pulmonary surfactant are

A) Alveolar macrophages
B) Clara cells
C) Endothelial cells
D) Type I alveolar cells
E) Type II alveolar cells

Question 5

Which of the following statements about the larynx is not true?

A) It is lined with respiratory epithelium
B) The false vocal folds contain the space of Reinke
C) The subglottis is inferior to the anterior and posterior commissures
D) The true vocal folds are found in the glottis
E) Vocal cords are abducted during inspiration

Question 6

Which of the following cells in the olfactory epithelium are structurally bipolar neurons?

A) Basal cells
B) Bowman's cells
C) Columnar cells
D) Olfactory cells
E) Sustentacular cells

Question 7

In the respiratory system, air moves from the larynx into the

A) Bronchi
B) Bronchioles
C) Laryngopharynx
D) Oropharynx
E) Trachea

Question 8

Among other cells, goblet cells and cells of Kulchitsky are located in which structure?

A) Alveoli
B) Bronchioles
C) Larynx
D) Nasopharynx
E) Trachea

Question 9

Non-mucous secreting and non-ciliated dome-shaped cells with microvilli are found in the respiratory tract. These cells are detoxifying and secrete a component of surfactant. They are also capable of differentiation for tissue regeneration. Where are they located?

A) Alveoli
B) Bronchi
C) Bronchioles
D) Laryngopharynx
E) Trachea

Question 10

Which respiratory structure constitutes the last part of the conducting zone?

A) Alveolar ducts
B) Primary bronchi
C) Respiratory bronchioles
D) Secondary bronchi
E) Terminal bronchioles

Question 11

_____ are bony projections that result in folds in the lateral parts of the nasal cavity, causing airflow turbulence.

A) Conchae
B) Meati
C) Nares
D) Septa
E) Vibrissae