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- Which of the following are structural features of the trachea? C-shaped cartilage smooth muscle fibers cilia all of the above4. The canals of Lambert are found in the A. trachea. B. terminal bronchioles. C. alveoli. D. main stem bronchi.17. Cartilage is found in which of the following structures of the tracheobronchial tree? 1. Bronchioles 2. Respiratory bronchioles 3. Segmental bronchi 4. Terminal bronchioles A. 1 only B. 3 only C. 2 and 3 only D. 1 and 4 only
- 1. What part pertains to a sponge - like structure found inside the lungs and is responsible for the exchange of gase etween oxygen and carbon dioxide? A. trachea B. alveoli C. pharynx D. bronchiole 2. What vessels carry deoxygenated blood away from the heart? A. Pulmonary artery only B. Coronary arteries only C. Neither coronary arteries or pulmonary artery D. Both coronary arteries and pulmonary artery 3. What kind of blood is being delivered to the right side of the heart? A. Oxygenated B. Deoxygenated C. Both A and B D. None of the above12. In the lungs, which one of the following is NOT a barrier to gas exchange between red blood cells and the alveolar space? a. A fluid layer of water and surfactants covering the luminal surface of alveolar cells b. Basement membranes of endothelial and alveolar cells c. Alveolar cells d. Smooth muscle cells surrounding the endothelial cells e. The plasma membrane of the endothelial cells 13. What happens to blood when it is pumped into the thin-walled blood vessels of the lungs? a. Platelets are exchanged for plasma. b. Carbon dioxide is replaced with oxygen. c. Blood fills the lungs and causes coughing. d. Nothing -- the lungs are just a place blood goes through on its way back to the heart. 14. What does the cilia do in the respiratory system? a. The cilia carries food and air through the respiratory system. b. The cilia is known to be part of a cell. c. Cilia filters particles that enter the nose and air passages. d. Cilia contains the vocal cords.5. What is the function of the conchae in the nasal cavity? a. increase surface area b. exchange gases c. maintain surface tension d. maintain air pressure 6. The faucess connects which of the following structures to the oroph a. nasopharynx b. laryngopharynx c. nasal cavity d. oral cavity 7. Which of the following are structural features of the trachea? a. C-shaped cartilage wto allenco aon b. smooth muscle fibers C. cilia d. all of the above 8. Which of the following structures is not part of the bronchial tree? a. alveoli b. ronchi C. terminal bronchioles d. respiratory bronchioles 9. What is the role of alveolar macrophages? a. to secrete pulmonary surfactant b. to secrete antimicrobial proteins C. to remove pathogens and debris d. to facilitate gas exchange
- 4) Which is the correct flow of air containing oxygen to the lungs? A. Nose->trachea->bronchi->bronchioles->alveoli B. Nose->bronchi->bronchioles->alveoli->trachea C. Nose->trachea->bronchioles->bronchi->alveoli D. Nose->trachea->alveoli->bronchi->bronchioles12. Which statement correctly describe the movement of the pulmonary circulation? A. pulmonary arteries carry oxygen-poor blood B. pulmonary veins carry blood toward the lung capillaries. C. blood returning to the left atrium of the heart is oxygen-poor. D. oxygen from the blood diffuses into the air sacs (alveoli) of the lungsAlveoli is related to which of thefollowing system of human body?A. Circulatory systemB. Excretory systemC. Reproductive systemD. Respiratory system
- 3 B. Goblet cells C. Mucous glands D. Serous glands E. Cartilage 2 C Bronchi are lined with pseudo stratified epithelium. As the airways continue distally & the epithelium changes. Which of the following features is last to disappear as the epithelium changes along the respiratory tube? A. Cilia1. The process of bringing oxygenated water or air into contact with a gas-exchange surface is: A. Respiration B. Ventilation C. Inspiration D. Exhalation 2. Why does gill comb filter out grains and sand water that into the gills? A. To allow countercurrent B. To maximize the transportation of oxygen C. To prevent gill filaments from injuries D. To increase the surface area for effective gas exchange 3. What is the function of stomata? A. Absorbing sunlight B. Allowing gases to enter and exit C. Protecting inner tissue layers D. Transporting minerals1. What helps to maintain a concentration gradient between blood and the air in the alveolus?A. The flow of blood through the lungsB. The presence of haemoglobin in blood cellsC. The single-celled alveolar wallsD. The squamous epithelium of capillaries Please solve fast max 15 minutes and no reject thank u