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443, Which of the following is NOT one of the four main events of respiration? e. increased blood pH Since it provides both kinds of function it is classified as a mixed nerve. 440, The Heimlich maneuver is a procedure in which air in a person's own lungs is used to eject an obstructing piece of food. d. chronic bronchitis 459, Which of these disorders is related to loss of elasticity of the lungs? In addition to cartilage, the larynx contains special structures known as vocal folds, which allow the body to produce the sounds of speech and singing. However, the vast majority of carbon dioxide is carried in the plasma as bicarbonate ion. 449, According to the laws of diffusion, movement of a respiratory gas occurs toward the area of higher concentration of that particular respiratory gas. A less prominent inferior thyroid notch is present along the base of the thyroid cartilage. pg. pg. G) epiglottis c. methane a. infant respiratory disease state a. true Trachea. The lymphatic vessels above the vocal folds drain into the superior deep cervical lymph nodes whereas those below the vocal folds drain first to nodes around the trachea (pretracheal and paratracheal nodes) and subsequently into the inferior deep cervical lymph nodes. e. rales e. basal cell carcinoma B. The larynx contains the 2 vocal cords. Make the same sound several more times so you can really feel what's happening. b. SIDS Continued From Above act as the functional units of the respiratory system by passing oxygen into the body and carbon dioxide out of the body. F) pharynx A) resorbin 443, Part of the respiratory zone, these air sacs perform gas exchange. D) larynx a. nasopharynx C) dizziness 448, Amount of air that can be inhaled forcibly over the tidal volume. e. tidal volume D) fainting 448, David N. Shier, Jackie L. Butler, Ricki Lewis, Biologie Humaine Principes D'anatomie et de Physiologie. d. 30 respirations per minute B) trachea Sometimes the onset is so gradual, we dont seek medical attention until the condition has advanced. Eupnea is maintained until the bodys demand for oxygen and production of carbon dioxide rises due to greater exertion. pg. 451, Venous blood in systemic circulation is poorer and richer in carbon dioxide. As its name suggests (epi = above, glottis = mouth of windpipe), it sits above the laryngeal opening (inlet). D) internal respiration The smooth muscle fibers are able to contract during rest to prevent hyperventilation. A) coughing C) respiratory gas transport a. Epiglottis b. Pharynx c. Tongue d. Voice box; What prevents food from entering the windpipe? Gray's anatomy for students. The pharynx is divided into 3 regions: the nasopharynx, oropharynx, and laryngopharynx. 454, Which of the following is NOT a feature of chronic obstructive pulmonary disease (COPD)? D) larynx b. adenocarcinoma 440, The superior portion of each lung is the __________. This is due to the influence of the hormone testosterone, which stimulates the overall growth of the larynx resulting in a deeper voice with time. e. smoking e. cellular respiration e. infant respiratory disease syndrome During swallowing, as the larynx moves up and forwards, the epiglottis swings downward to close off the laryngeal inlet, and thus prevents materials from entering the airway. a. pulmonary ventilation Let a = 1 and b = 0 to obtain a special case of the Cauchy distribution with density, f(x)=111+x2