Exam 20: Respiratory System

A) Pulmonary veins
B) Pulmonary arteries
C) Systematic veins
D) Both the pulmonary arteries and systematic veins

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A) Pressure in the pleural cavity
B) Elastic fibers of the lungs
C) Attraction of water molecules in the lungs
D) Elastic fibers of the lungs and the attraction of water molecules in the lungs

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A) Regulation of blood pH
B) Sense of taste
C) Gas exchange
D) All of these are functions of the respiratory system

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A) Pleural pressure is under negative pressure that is lower than alveolar pressure
B) Pleural pressure is under negative pressure that is higher than alveolar pressure
C) Pleural pressure is under positive pressure that is lower than alveolar pressure
D) Pleural pressure is under positive pressure that is higher than alveolar pressure

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A) Simple squamous epithelium
B) Simple columnar epithelium with goblet cells
C) Stratified squamous epithelium
D) Pseudostratified ciliated columnar epithelium with goblet cells

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D

A) External nose
B) Pharynx
C) Nasal cavity
D) All of the above are parts of the nose

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B

A) Internal intercostal muscles contract
B) External intercostal muscles and diaphragm contract
C) There is no active muscle contraction and the external intercostal muscles and diaphragm relax and lungs recoil
D) None of the above is correct

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A) Pontine respiratory groups
B) Dorsal respiratory groups
C) Ventral respiratory groups
D) All of the above is correct

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A) Bronchus, lobar bronchi, segmental bronchi, bronchioles
B) Bronchus, segmental bronchi, lobar bronchi, bronchioles
C) Bronchioles, lobar bronchi, segmental bronchi, bronchus
D) None of the above is correct

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A) Pharynx
B) Trachea
C) Larynx
D) Bronchioles

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A) Loss of cilia
B) Loss of goblet cells
C) Lining becomes a moist stratified squamous epithelium
D) All of the above are effects of smoking on the lining of the trachea

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A) Exchange of gases between the lungs and blood
B) Exchange of gases between the blood and tissues
C) Ventilation
D) All of these are involved in respiration

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A) Alveolar ventilation
B) Minute ventilation
C) Respiration rate
D) Forced expiratory vital capacity

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False

A) Inspiratory capacity
B) Functional residual capacity
C) Vital capacity
D) Total lung capacity

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A) Pulmonary arteries
B) Pulmonary capillaries
C) Systematic veins
D) Both the pulmonary arteries and systematic veins

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A) Dissolved in the plasma
B) Bound to hemoglobin in RBCs
C) HCO3 - dissolved in plasma
D) All of the above are correct

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