1.You are examining a respiratory structure with two lobes, one fissure, and a n

Question

1.You are examining a respiratory structure with two lobes, one fissure, and a notch. The organ you are examining is the :

a.Right lung

b.Left lung

c.Larynx

d.Nasal Cavity

2.The inner lining of the alveoli are composed of :

a.PSCC epithelium

b.Simple squamous epithelium

c.Stratified squamous epithelium

d.Thin plates of cartilage

3.Observing PSCC epithelium, hyaline cartilage, and goblet cells in a single magnified view suggests that you are looking at:

a.Lung tissue

b.A single bronchiole

c.The respiratory membrane

d.A section through the trachea

Explanation / Answer

Answer:

1.You are examining a respiratory structure with two lobes, one fissure, and a notch. The organ you are examining is the :

a.Right lung

b.Left lung - Correct Answer (Left lung contains 2 lobes - superior and middle, one oblique fissure and one cardiac notch)

c.Larynx

d.Nasal Cavity

2.The inner lining of the alveoli are composed of :

a.PSCC epithelium

b.Simple squamous epithelium - Correct Answer (The walls of alveoli or lung air sacs are composed of simple squamous epithelium since it is appropriate for the exchange of the gases)

c.Stratified squamous epithelium

d.Thin plates of cartilage

3.Observing PSCC epithelium, hyaline cartilage, and goblet cells in a single magnified view suggests that you are looking at:

a.Lung tissue

b.A single bronchiole

c.The respiratory membrane

d.A section through the trachea - Correct Answer (A section through the trachea consists of PSCC - pseudostratified ciliated columnar epithelium, hyaline cartilage and goblet cells)

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