Respiratory System Question Preview (ID: 33654)


AP Unit 10 - Goes With Respiratory System Packet. TEACHERS: click here for quick copy question ID numbers.

The ligaments in the larynx that are relatively inelastic and help prevent foreign objects from entering the glottis are the
a) true vocal cords
b) cricoid cartilage
c) false vocal cords
d) thyroid cartilage

The respiratory system consists of structures that
a) provide defense from pathogenic invasion
b) permit vocalization and production of other sounds
c) provide olfactory sensations to the CNS
d) all of the above

Air entering the body is filtered, warmed, and humidified by the
a) upper respiratory tract
b) lower respiratory tract
c) lungs
d) alveoli

Creating turbulence in the air to trap small particles in the mucus is the function of the
a) nasal conchae
b) soft palate
c) nasal sinuses
d) nasal hairs

Large airborne particles are filtered by the
a) external olfactory meatuses
b) soft palate
c) nasal sinuses
d) nasal hairs in the vestibule of the nose

The patrol force of the alveolar epithelium involved with phagocytosis is composed primarily of alveolar
a) NK cells
b) cytotoxic cells
c) macrophages
d) plasma cells

The diffusion of gases between the blood and alveolar air across the respiratory membrane is called
a) cellular respiration
b) external respiration
c) systemic ventilation
d) internal respiration

The diffusion of gases between blood and interstitial fluid across the endothelial cells of capillary walls is called
a) external respiration
b) internal respiration
c) cellular respiration
d) pulmonary ventilation

The movement of gases into the blood from the lungs occurs by
a) osmosis
b) metabolism
c) net diffusion
d) cellular respiration

The breathing process is called
a) cellular respiration
b) pulmonary ventilation
c) respiration
d) systemic ventilation

The two primary gases involved in the respiratory process are
a) oxygen and carbon dioxide
b) carbon dioxide and nitrogen
c) oxygen and nitrogen
d) all of the above

Structures in the trachea that prevent its collapse or overexpansion as pressure changes in the respiratory system are
a) O-shaped tracheal cartilages
b) C-shaped tracheal cartilages
c) irregular circular bones
d) S-shaped tracheal bones

The hard palate separates the
a) nasal cavity and the oral cavity
b) nasal cavity from the larynx
c) left and right sides from the nasal cavity
d) external nares from the internal nares

The narrow opening through which inhaled air leaves the pharynx and enters the larynx is the
a) epiglottis
b) Adam's apple
c) glottis
d) corniculate cartilage

The cartilage that makes up most of the anterior and lateral surface of the larynx is the
a) cricoid cartilage
b) thyroid cartilage
c) cuneiform cartilage
d) arytenoid cartilage

The diameter of the trachea is adjusted by contractions of the trachealis muscle, which is under
a) autonomic control
b) the control of the CNS
c) vascular control
d) the control of the somatic nervous system

The respiratory membrane consists primarily of
a) ciliated pseudostratified columnar epithelium
b) moist cuboidal epithelium
c) simple squamous epithelium
d) ciliated squamous epithelium

A necessary condition for normal gas exchange in the alveoli is
a) for the alveoli to remain dry
b) an increase in pressure in pulmonary circulation
c) for fluid to move into the pulmonary capillaries
d) an increase in lung volume

The movement of air into and out of the lungs is primarily dependent on
a) pressure differences between the air in the atmosphere and air in the lungs
b) pressure differences between the air in the atmosphere and the anatomic dead space
c) pressure differences between the air in the atmosphere and individual cells
d) all of the above

During inspiration, an increase in the volume of the thoracic activity is accompanied by
a) decreasing lung volume and increasing intrapulmonary pressure
b) decreasing lung volume and decreasing intrapulmonary pressure
c) increasing lung volume and decreasing intrapulmonary pressure
d) increasing lung volume and increasing intrapulmonary pressure

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