Histology MCQs/Respiratory System II

A London fog, 1847

1 What is true about the mucosa of inferior concha?

	Epithelium is pseudostratified columnar, lamina propria contains few vessels only
	Epithelium is pseudostratified columnar, lamina propria contains numerous vessels
	Epithelium is stratified squamous, lamina propria contains few vessels only
	Epithelium is stratified squamous, lamina propria contains numerous vessels

2 In which part of respiratory system do we have sebaceous glands?

	Bronchioli
	Nostrils
	Trachea
	Larynx

3 Which structure is on apical part of brush cells of respiratory passages?

	Stereocilia
	Microvilli
	Kinocilia
	Nothing

4 What is main function of goblet cells of respiratory passages?

	Production of signaling molecules
	Phagocytosis of bacteria
	Production of mucus
	Chemoreception

5 Pharynx:

	Epithelium of oropharynx is pseudostratified columnar, epithelium of nasopharynx is pseudostratified columnar
	Epithelium of oropharynx is pseudostratified columnar, epithelium of stratified squamous
	Epithelium of oropharynx is stratified squamous, epithelium of nasopharynx is pseudostratified columnar
	Epithelium of oropharynx is stratified squamous, epithelium of nasopharynx is stratified squamous

6 Which cartilages are in the larynx?

	Hyaline only
	Elastic only
	Both hyaline and elastic
	There is no cartilage in the larynx

7 Which type of epithelium covers the vocal folds?

	Pseudostratified columnar without cilia
	Pseudostratified columnar with cilia
	Stratified squamous non-keratinizing
	Stratified squamous keratinizing

8 Which type of muscle tissue is main tissue of vocal muscle?

	Medial portion is composed of skeletal muscle, lateral portion is composed of smooth muscle
	Medial portion is composed of smooth muscle, lateral portion is composed of skeletal muscle
	Skeletal muscle
	Smooth muscle

9 Which type of muscle tissue is main tissue of tracheal muscle?

	Both smooth and skeletal muscle
	Tracheal muscle does not exist
	Skeletal muscle
	Smooth muscle

10 Which cartilage takes place in the wall of trachea?

	Hyaline cartilage
	Elastic cartilage
	Fibrocartilage
	It depends on the level (distance from the nose)

11 Which structure is not present in bronchioli?

	Pseudostratified columnar epithelium
	Hyaline cartilage
	Elastic fibers
	Smooth muscle

12 What is not a function of club cells (Clara cells)?

	Production of antibacterial peptides
	Production of free radicals
	Production of surfactant
	Production of mucus

13 Which type of fibers is not abundant inside interalveolar septs?

	Fibers of type III collagen
	Fibers of type I collagen
	Elastic fibers
	Reticular fibers

14 Alveolar capillaries are:

	Non-fenestrated with discontinuous basement membrane
	Non-fenestrated with continuous basement membrane
	Fenestrated with discontinuous basement membrane
	Fenestrated with continuous basement membrane

15 Which of following cells contains lamellar bodies?

	Type II pneumocyte
	Type I pneumocyte
	Goblet cell
	Dust cell

16 Type I pneumocytes:

	Contain abundant Golgi apparatus
	Contain pinocytic vesicles
	Produce surfactant
	Produce mucus

17 What is a dust cell?

	Laryngeal macrophage
	Laryngeal neutrophil
	Alveolar macrophage
	Alveolar neutrophil

18 What is a mesothelium?

	Multiple layers of squamous cells
	Multiple layers of columnar cells.
	One layer of squamous cells
	One layer of columnar cells

19 Which of following structures is main motoric structure inside cilia (kinocilia)?

	Microtubules associated with dyneins
	Microtubules associated with kinesins
	Actin associated with type I myosin
	Actin microfilaments alone

20 Which cells are main receptors of olfactory mucosa?

	Senzoric epithelial cells
	Multipolar neurons
	Bipolar neurons
	Basal cells

Links

• List of all tests: Histology MCQs
• Portal:Histology