Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Why is the gas exchange system located inside the human body?
to support and protect delicate structures
to prevent water loss and drying out
both of the above
none of the above
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Which cells in the ciliated epithelium produce and secrete mucus that traps dust and microbes?
macrophages
smooth muscle cells
goblet cells
ciliated epithelial cells
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What is the function of cilia on ciliated epithelial cells?
to produce and secrete mucus
to constrict or dilate the airway
to engulf and destroy debris and microbes
to waft mucus upward to the mouth
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Which of the following is NOT an adaptation of the trachea?
smooth muscle to constrict or dilate the airway
simple squamous epithelium lining
elastic tissue to allow stretching and recoiling
rings of cartilage to keep the airway open
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Which of the following is an adaptation of the bronchi?
reinforced with cartilage to keep the airway open
lined with ciliated epithelial cells and goblet cells
elastic tissue allows stretching and recoiling
all of the above
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What is the main difference between the bronchi and bronchioles?
bronchioles have cartilage, bronchi do not
bronchi have smooth muscle, bronchioles do not
bronchioles have no cartilage, bronchi do
bronchi have elastic tissue, bronchioles do not
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Which of the following is NOT an adaptation of the alveoli for gas exchange?
large surface area
thick inner surface
wall consists of one layer of squamous epithelial cells
partially permeable
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What is the function of the pulmonary artery?
to deliver oxygenated blood from capillaries to heart
to deliver oxygenated blood from heart to pulmonary capillaries
to deliver deoxygenated blood from heart to pulmonary capillaries
to deliver deoxygenated blood from capillaries to heart
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Which of the following is NOT an adaptation of pulmonary capillaries for gas exchange?
large surface area
thin walls (one endothelial cell thick)
rapid blood movement
red blood cells pressed against capillary walls
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are tiny air sacs clustered at the ends of the bronchioles where gas exchange occurs.
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