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A&P 251 Exam 3 UPDATED QUESTIONS WITH ANSWERS.

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A&P 251 Exam 3 UPDATED QUESTIONS WITH ANSWERS.

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A&P 251 Exam 3 UPDATED QUESTIONS
WITH ANSWERS

surfactant

a. protects the surface of the lungs

b. phagocytizes small particulates

c. replaces mucus in the alveoli

d. helps prevent the alveoli from collapsing

e. is not found in healthy lung tissue
helps prevent the alveoli from collapsing
the portion of the pharynx that receives both air and food
is the:

a. nasopharynx

b. oropharynx

c. vestibule

d. internal pharynx
oropharynx

Page 1 of 19

,the pharyngeal tonsils lie in the walls of the:

a. nasopharynx

b.oropharynx

c. laryngopharynx

d. larynx

e. nasal cavity
oropharynx
the 'vocal folds' are located in the:

a. nasopharynx

b. oropharynx

c. larynx

d. trachea

e. bronchi
larynx
the elastic cartilage that shields the opening to the larynx
during swallowing is the cartilage:

a. thyroid

Page 2 of 19

, b. cricoid

c. corniculate

d. cuneiform

e. epiglottic
answer: e. epiglottic
structures formed by the branching of the trachea within
the mediastinum are:

a. bronchioles

b. secondary bronchi

c. tertiary bronchi

d. primary bronchi

e. alveoli
answer: primary bronchi
the 'respiratory membrane' consists primarily of:

a. pseudo-stratified ciliated columnar epithelium

b. moist cuboidal epithelium


Page 3 of 19

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