Ocr a level biology ventilation lungs
Quiz by Thomas Holland
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10 questions
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- Q1Which of the following is not a function of the lungs in ventilation?Gas exchangeCarbon dioxide removalSkeletal supportOxygen uptake30s
- Q2Which structure in the lungs is responsible for exchanging gases with the blood?DiaphragmTracheaAlveoliBronchi30s
- Q3During inhalation, which muscle contracts and moves downwards to increase the volume of the thoracic cavity?Abdominal musclesSternumIntercostal musclesDiaphragm30s
- Q4Which of the following is a common respiratory disorder characterized by inflammation and narrowing of the airways?EmphysemaAsthmaBronchitisPneumonia30s
- Q5Which gas is primarily responsible for the regulation of breathing rate in the body?NitrogenOxygenHydrogenCarbon dioxide30s
- Q6What is the primary function of surfactant in the lungs?Stimulate gas exchangeReduce surface tensionIncrease lung capacityPromote cough reflex30s
- Q7Which structure in the respiratory system is commonly referred to as the windpipe?BronchiTracheaAlveoliPharynx30s
- Q8Which muscle relaxes and moves upwards during exhalation to decrease the volume of the thoracic cavity?Intercostal musclesDiaphragmSternal musclesAbdominal muscles30s
- Q9Which type of cells in the lungs are responsible for producing mucus to trap inhaled particles and pathogens?Goblet cellsCiliated cellsBasal cellsAlveolar cells30s
- Q10Which structure in the lungs serves as the main airway that branches into the bronchi?AlveoliTracheaDiaphragmLarynx30s