What is the function of cilia in the gas exchange system?
A.
to increase the surface area
B.
to move mucus
C.
to produce mucus
D.
to trap dust and pathogens
Exam No:9700_w24_qp_11 Year:2024 Question No:34
Answer:
B
Knowledge points:
9.1.1.1 lungs
9.1.1.2 trachea
9.1.1.3 bronchi
9.1.1.4 bronchioles
9.1.1.5 alveoli
9.1.1.6 capillary network
9.1.2 describe the distribution in the gas exchange system of cartilage, ciliated epithelium, goblet cells, squamous epithelium of alveoli, smooth muscle and capillaries
9.1.3 recognise cartilage, ciliated epithelium, goblet cells, squamous epithelium of alveoli, smooth muscle and capillaries in microscope slides, photomicrographs and electron micrographs
9.1.4 recognise trachea, bronchi, bronchioles and alveoli in microscope slides, photomicrographs and electron micrographs and make plan diagrams of transverse sections of the walls of the trachea and bronchus
9.1.5 describe the functions of ciliated epithelial cells, goblet cells and mucous glands in maintaining the health of the gas exchange system
9.1.6 describe the functions in the gas exchange system of cartilage, smooth muscle, elastic fibres and squamous epithelium
9.1.7 describe gas exchange between air in the alveoli and blood in the capillaries
Solution:
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