The root, "capn/o" means: Question 10 Select one: a. Breathing. b. Membrane surrounding the lungs. c. Carbon dioxide. d. Chest. e. Diaphragm.
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The root "capn/o" is derived from the Greek word "kapnos," which means "smoke" or "vapor." Show more…
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11. How much can the lungs be expanded to reach the total lung capacity? A)4800 B)6000 C)1200 D)5800 12.Which of the following best describes the process of gas exchange in the human body? a) Oxygen is transported to the body’s cells by red blood cells and carbon dioxide is transported back to the lungs to be exhaled. b) Carbon dioxide is absorbed by the body’s cells from the bloodstream, while oxygen is expelled from the cells into the bloodstream. c) Oxygen is absorbed directly into the bloodstream through the skin, and carbon dioxide is exhaled through the digestive system. d) Oxygen and carbon dioxide are both exchanged in the intestines, where oxygen is taken up and carbon dioxide is expelled. e) none of the above. 13.Which statement best explains how the lungs remain inflated within the thoracic cavity? a) The lungs are directly attached to the walls of the chest cage, preventing collapse. b) The continual suction of excess fluid into the lymphatics creates a slight negative pressure between the pleural layers, keeping the lungs adhered to the thoracic wall. c) The lungs are surrounded by a thick layer of pleural fluid that firmly glues them to the thoracic cavity. d) The lungs are suspended from the mediastinum by the hilum and are otherwise free-floating within the thoracic cavity without any attachment. e) none of the above. 14.Which neurotransmitter is most commonly associated with the parasympathetic nervous system? A. Dopamine B. Norepinephrine C. Serotonin D. Acetylcholine E. GABA
Shu N.
Ivan K.
What is the primary feedback used by the brain to control breathing? a. heart rate b. partial pressure of $\mathbf{O}_{2}$ c. blood $\mathrm{pH},$ which indicates $\mathrm{O}_{2}$ level d. blood $\mathrm{pH},$ which indicates $\mathrm{CO}_{2}$ level
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