An acute infection of the throat that can lead to swelling and closure of the glottis and cause suffocation is known as A) acute epiglottitis. B) strep throat. C) laryngospasm. D) acute pharyngitis. E) laryngitis.
A) acute epiglottitis.
Components of the upper respiratory system include all of the following, except the A) nasal cavity. B) nose. C) paranasal sinuses. D) pharynx. E) lips.
E) lips.
________ is the amount of air that moves into the respiratory system during a single respiratory cycle. A) Residual volume B) Inspiratory reserve volume C) Expiratory reserve volume
D) Inspiratory capacity E) Tidal volume
E) Tidal volume
The palatine tonsils lie in the walls of the A) larynx. B) laryngopharynx. C) oropharynx. D) nasopharynx. E) nasal cavity.
C) oropharynx
Pulmonary ventilation refers to the A) movement of dissolved gases from the interstitial space to the cells. B) movement of dissolved gases from the blood to the interstitial space. C) utilization of oxygen. D) movement of dissolved gases from the alveoli
E) movement of air into and out of the lungs.
Air entering the body is filtered, warmed, and humidified by the A) lungs. B) alveoli. C) bronchioles. D) upper respiratory tract. E) lower respiratory tract
D) upper respiratory tract
Inhaling through the nostrils is preferred over the mouth because
A) it allows better conditioning of the inhaled air. B) less resistance to flow. C) it dries out the mouth. D) bacteria won't be inhaled from the oral cavity. E) it combines olfaction with
A) it allows better conditioning of the inhaled air.
They branch from the trachea at the carina. A) primary bronchi B) tertiary bronchi C) alveolar ducts D) secondary bronchi E) terminal bronchioles
A) primary bronchi
Primary bronchi are to ________ as secondary bronchi are to ________. A) intrapulmonary bronchi; lobar bronchi B) lobar bronchi; intrapulmonary bronchi C) extrapulmonary bronchi; intrapulmonary bronchi
C) extrapulmonary bronchi; intrapulmonary bronchi
Which of the following statements about the trachea is false? A) is reinforced with C-shaped cartilages B) contains many mucous glands C) alters its diameter in response to the autonomic nervous system
D) is reinforced with D-shaped cartilages E) is lined
D) is reinforced with D-shaped cartilages
Alveolar ventilation refers to the A) movement of dissolved gases from the blood to the alveoli. B) movement of dissolved gases from the alveoli to the blood. C) movement of air into and out of the lungs. D) movement of air into and out of the alveoli. E)
D) movement of air into and out of the alveoli.
Which of the following organs is not part of the lower respiratory system? A) larynx B) trachea C) oropharynx D) alveoli E) bronchi
C) oropharynx
The process by which dissolved gases are exchanged between the blood and interstitial fluids is A) breathing. B) cellular respiration. C) pulmonary ventilation. D) external respiration. E) internal respiration.
E) internal respiration
Which of these descriptions best matches the term external intercoastal A) primary muscle of inspiration B) affects lung compliance C) accessory muscle of inspiration D) contraction increases airway resistance E) accessory muscle of expiratio
A) primary muscle of inspiration
The auditory tubes open into the A) oropharynx. B) laryngopharynx. C) nasal cavity. D) nasopharynx. E) larynx.
D) nasopharynx.